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理工英语4单元自测5（10分）
您好，在完成本单元的学习后，请您完成以下练习题。本练习题满分100分，将按10%计入形考成绩。
您可以反复练习多次，系统默认记录最高分。点击“提交所有答案并结束”按钮视为练习1次，无时间和次数限制。
中途退出，保存答案已作出选择的题目会自动保存答案，下次进入后可对做过的题目进行修改，并继续上次答题，不计入练习次数。
一、选择填空：阅读下面的对话或句子，从A、B、C三个选项中选出一个能填入空白处的最佳选项。
1．—What errands did you have to do today?
—___________________________.
I’m in no hurry
Done one, and another one to do.
You can’t be serious
2．—Good morning, Jeff. Would you mind going to get me a cup of coffee at the Starbucks?
—___________________________
Thank you for reminding me.
No problem! You want the usual?
You must be joking.
3．—Jeff, I’d appreciate it if you could help me with the opening speech I’m giving next week.
—___________________________, but I’ll have some time between five and six p.m.
Don’t mention it
Yes, it’s so quiet as we expected
Well, it’s pretty busy this morning
4．—You know a good schedule brings efficiency to the work.
—___________________________.
Not at all. I enjoyed it.
I see your point.
I think it’s a bad idea.
5．—Oh, by the way, how was your report of the new batteries coming along?
—___________________________.
It’s going pretty well
Just go ahead
Well, I’m afraid so
6．He would much ______ it if you could do him the favor.
award
apply
appreciate
7．He is still a ______ in handling such things.
green hand
visitor
adult
8．This is a highly ______ new heating system.
efficiency
efficient
efficiently
9．______ thinking is the heart of the artistic design.
Creative
Strict
Hateful
10．It ______me that I had a choice.
bit
pick
hit
11．It is the ability to do the job ______ matters not where you come from or what you are.
one
that
what
12．It is _______ an interesting story that I want to read it again.
so
such
many
13．The current death rate is reduced _______ 10% compared with that of the year of 1980.
to
form
by
14．The box is hold these things.
too small not to
too small to
so small to
15．二、阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。
（课外选材）
When computer servers operate a complex program, they can get very hot. Cooling the servers can be costly. So researchers asked what would happen if the heat created by the servers could be captured and used?
Data centers of large Internet companies such as Google and Microsoft have thousands of computer servers. As these servers process information, they create large amounts of heat, so they need huge cooling systems. These systems send the heat into the air. The Dutch company Nerdalize thinks paying for electricity to operate the servers and then paying again to cool them is a waste of energy. So it developed a device called the e-Radiator. It is a computer server that also works as a heating source. Boaz Leupe is the chief executive officer of Nerdalize. He says the e-Radiator saves money because companies don’t have to pay to cool their servers.
“The kilowatt（千瓦）hour you are using is used twice — once to heat the home and once to compute the client’s task without the cooling overhead.” He says five homeowners in the Netherlands are testing the heating device in their homes. “We reimburse the electricity the server uses, and that we can do because of the computer clients on the other side, and, in that way, homeowners actually get heating for free, and computer users don’t have to pay for the overhead of the data center.”
Jan Visser is one of the participants in the year-long experiment. He says the amount of heat produced by the e-Radiator depends on the work being done by the computer server. He says it cannot be used as the primary source of heat. But he is ready to try it.
He says if it provides enough warmth, he will be able to use his home’s heating system less, which will save him money. Nerdalize says e-Radiators create heat temperatures of up to 55℃. It says the devices could save users up to $440 in heating costs a year.
Why did researchers ask what would happen if the heat created by the servers could be captured and used? 1
A. Because computers can get very hot.
B. Computer servers is a complex program.
C. Cooling computer servers costs a lot of money.
2.The computer servers in large Internet companies such as Google and Microsoft can 2 .
A. create large amounts of information
B. create large quantity of heat
C. manage the huge cooling systems
3. Nerdalize developed the e-Radiator because 3 .
A. e-Radiator cost less energy
B. e-Radiator can cool the servers for free
C. e-Radiator can create cold air for free
4.According to Jan Visser, the amount of heat produced by the e-Radiator 4 .
A. depends on the work being processed by PC
B. cannot be used as the home’s heating system
C. cannot be used as the main source of heat
5.The best title for this passage is 5
A. The New Way to Heat Homes
B. The New Way to Cool Homes
C. Hot Computers Could Be Used for Free
(1)
(2)
(3)
(4)
(5)
16．二、阅读理解：阅读下面的对话，选择合适的内容将对话补充完整。
（教材对话原文）
Jeff: Morning, Roger.
Roger: Good morning, Jeff. 1 Would you mind going to get me a cup of coffeeat the Starbucks across the street? I know you just got here, but I would really appreciate it.
Jeff: 2
Roger: Yes. Impressed that you remember!
Jeff:Your flavour I never forget.
Jeff leaves to go get a coffee, and then comes back with it.
Jeff: Here you go, Roger.
Roger: Thanks. Oh, Jeff, 3 with the opening speech I’m giving next week at our company.
Jeff: Well, it’s pretty busythis morning, but I’ll have some time between five and six p.m. Would that be okay?
Roger: 4 I’m going to talk about the new energy storage material, and I think you have an excellent grasp of the subject.
Jeff: Thank you.
Roger: Oh, by the way, 5 ?
Jeff: It’s going pretty well.
Roger: I’d like to see it sometime. Do you think you could get it on my desk by 4 p.m. today?
Jeff: No problem. I’ll get it to you.
Roger: Great. Have a good one, Jeff.
Jeff: You too.
A. how was your report of the new batteries coming along?
B. I’d appreciateit if you could help me
C. No problem! You want the usual?
D. It’s good to see you.
E. Yes, that would be great.
(1)
(2)
(3)
(4)
(5)
17．二、阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。
Climate change has caused a rise in sea levels. This has increased 1 salt in fresh water used on coastal farms. As a result farmers are increasingly 2 to use fields close to the sea.
Scientists call this process “salinization” which means a mixture of salt and water. Salinization is reducing the world’s irrigated lands 3 1 to 2 percent every year.
But a farmer in the Netherlands is now using a mixture of sea and fresh water to grow healthy and tasty vegetables. Marc Van started with an 4 . “We put in a lot of plants in the fields and then we put in, put them in fresh water and in sea water and all the varieties between it, and then we see which variety is surviving and which variety is 5 .”
理工英语4单元自测6（10分）
您好，在完成本单元的学习后，请您完成以下练习题。本练习题满分100分，将按10%计入形考成绩。 您可以反复练习多次，系统默认记录最高分。点击“提交所有答案并结束”按钮视为练习1次，无时间和次数限制。 中途退出，保存答案已作出选择的题目会自动保存答案，下次进入后可对做过的题目进行修改，并继续上次答题，不计入练习次数。
一、选择填空：阅读下面的对话或句子，从A、B、C三个选项中选出一个能填入空白处的最佳选项。
1．—This apple pie is too sweet, don’t you think so?
—_________________________. I think it’s just right, actually.
Not really
I hope so
Sounds good
2．—OK, I’ll fix your computer right now.
—Oh, take your time, _________________________.
I can’t stand it
I’m in no hurry
That’s a great idea
3．— I’m leaving for Shanghai tomorrow.
—_________________________
Bring me a present.
Have a pleasant trip!
Let’s go out for a drink.
4．—I get at least half an hour of exercise almost every day.
— Oh great! _________________________.
Same to you
Cheer up
Keep it up
5．—What are you going to do this weekend?
一_________________________. If time permits, I may go to Shanghai with my friends.
It depends
It doesn’t matter
Forget it
6．I couldn’t stand London! Bloody ______ place.
splendid
awesome
awful
7．He ______ his baggage among hundreds of others.
aware
identified
conscious of
8．No one had enough foresight to ______ the winner.
predict
prevent
precise
9．Success can breed success, if you ______ it.
take care of
take charge of
take advantage of
10．She is ______ tall as you are.
not
so
as
11．______no modern telecommunications, we would have to wait for weeks to get news from around the world.
Were there
If there are
If there have been
12．Tom asked me to go to play football and ______.
so did I
so I did
so do I
13．Tom can speak French. ______.
Nor can Jack
So can Jack
So Jack can
14．Some experts think reading is the fundamental skill upon ______ school education depends.
it
whose
which
15．二、阅读理解：阅读下面的对话，选择合适的内容将对话补充完整。
（教材对话原文）
Marry: What do you plan to do for your holiday?
Jeff: Come on, it went up in smoke. 1
Marry: Wow,you are going for a business trip next week? Where?
Jeff: Xiamen.
Marry: 2
Jeff: By train. You know our boss is afraid to take a plane because of high anxiety.
Marry: Actually, it’s not so awful to take a plane if you don’t look out the window.
Jeff: Good idea!
Marry: Well, Xiamen is a perfect place to be on holiday, you know.
Jeff: I know. But a business trip is tiring to me.
Marry: Oh, take it easy. 3 I like taking occasional business trip for a change of pace.
Jeff: I hope so.
Marry: I think you should take advantage of this good opportunity to go on a business trip with our boss and gain the boss’s favor.
Jeff: 4 . I think it makes sense.
Marry: You know, I’ve dreamed a thousand times that I could lie down on the beach of Xiamen to relax myself.
Jeff: So have I. But it’s not always nice and sunny there, sometimes cloudy and rainy.
Marry: Come on, I don’t think it will spoil your trip. 5
Jeff: Thanks a lot.
A. By plane or by train?
B. Maybe it’s not so bad as you imagined.
C. I have to go on a business trip with my boss.
D. Anyhow, I hope you’ll have a nice trip.
E. Hey, that sounds like a really good idea.
(1)
(2)
(3)
(4)
(5)
16．二、阅读理解：阅读下面的短文，根据文章内容进行判断，正确写“T”错误写“F”。
课外选材
Wide World of Robots
Engineers who build and program robots have fascinating jobs. These researchers tinker (修补) with machines in the lab and write computer software to control these devices. “They’re the best toys out there,” says Howle Choset at Carnegie Mellon University in Pittsburgh. Choset is a roboticist, a person who designs, builds or programs robots.
When Choset was a kid, he was interested in anything that moved–cars, trains, animals. He put motors on Tinkertoy cars to make them move. Later, in high school, he built mobile robots similar to small cars.
Hoping to continue working on robots, he studied computer science in college. But when he got to graduate school at the Califomia Institute of Technology in Pasadena, Choset’s labmates were working on something even cooler than remotely controlled cars: robotic snakes. Some robots can move only forward, backward, left and right. But snakes can twist (扭曲 ) in many directions and travel over a lot of different types of terrain (地形) . “Snakes are far more interesting than the cars,” Choset concluded.
After he started working at Carnegie Mellon, Choset and his colleagues there bagan developing their own snake robots. Choset’s team programmed robots to perform the same movements as real snakes, such as sliding and inching forward. The robots also moved in ways that snakes usually don’t, such as rolling.
Choset’s snake robots could crawl (爬行) through the grass, swim in a pond and even climb a flagpole.
But Choset wondered if his snakes might be useful for medicine as well. For some heart surgeries, the doctor has to open a patient’s chest, cutting through the breastbone. Recovering from these surgeries can be very painful. What if the doctor could perform the operation by instead making a small hole in the body and sending in a thin robotic snake?
Choset teamed up with Marco Zenati, a heart surgeon now at Harvard Medical School, to investigate the idea. Zenati practiced using the robot on a plastic model of the chest and they tested the robot in pigs.
A company called Medrobotics in Boston is now adapting the technology to surgeries on people.
Even after 15 years of working with his team’s creations, “I still don’t get bored of watching the motion of my robots,” Choset says.
Choset began to build robots in high school. 1
2. Snake robots could move in only four directions. 2
3. Choset didn’t begin developing his own snake robots until he started working at Carnegie Mellon. 3
4. Zenati tested the robot on people after using it in pigs. 4
5. The robotic technology for surgeries on people has brought a handsome profit to Medrobotics. 5
(1)
(2)
(3)
(4)
(5)
17．二、阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。
Something else that could be coming soon to a vehicle near you. More technology. The kind that could help your car talk to others around it. 1 some proposed cars of the futures it would not actually do the driving for you. But it could warn you about what other drivers are doing. The U.S. government may require this feature in the future, but it would 2 the cost of the car.
It’s the vehicle of the future, cars that talk to the driver and each other. The U.S. government wants it on the road soon, 3 technology that would warn drivers of danger coming from any direction.
It’s called vehicle to vehicle technology. Cars would send wireless message to each other 4 about 300-yard. Communicating information like speed, direction and GPS position ten times per second.When cars share this information, they can 5 all the vehicles around them, which means they are able to identify possible crashes.
理工英语4单元自测7（10分）
您好，在完成本单元的学习后，请您完成以下练习题。本练习题满分100分，将按10%计入形考成绩。 您可以反复练习多次，系统默认记录最高分。点击“提交所有答案并结束”按钮视为练习1次，无时间和次数限制。 中途退出，保存答案已作出选择的题目会自动保存答案，下次进入后可对做过的题目进行修改，并继续上次答题，不计入练习次数。
一、选择填空：阅读下面的对话或句子，从A、B、C三个选项中选出一个能填入空白处的最佳选项。
1．— Do you eat porridge every day?
— .
Porridge is my favorite
No, sometimes I’d have a cup of soybean milk, a boiled egg and a steamed bun for my breakfast
I seldom eat fast food because it’s rich in fat
2．— So how can we buy safe food?
— .
The higher the price, the safer the food
We can plant vegetables and fruits by ourselves
When we choose food, we must remember to check its tag, confirming whether the basic information is marked on it
3．— What is U.S’s experience in food safety management?
— .
S. do better in this point
They are improving the legal system all the time and very strict in law enforcement
Some illegal traders care about nothing but making money
4．— What would you like to have for breakfast?
— . Would you like to have a taste?
Twisted cruller, I bought it this morning
I already had my breakfast
Breakfast is the most important meal of the day
5．— I think the other reason can be identified from the industrialization of food production.
— . Some illegal traders care about nothing but making money.
That bothers me too
I sincerely hope that the whole society pay much more attention to food safety
Yes, you bet
6．You can have eggs or hard-boiled.
frying
fried
have fried
7．I am really by fresh ingredients, intricate cooking and diverse traditions of Chinese food.
fascinated
fabricate
fancy
8．Animal farming about half of all human-caused greenhouse gases.
count for
accounts for
count on
9．Modern Meadow is a startup that engineers tissues to create lab-grown _____ meat.
edible
editable
edify
10．The technology has several advantages earlier attempts to engineer meat in vitro .
in comparison of
in comparison to
compare with
11．They should never try to pursue profit health and life of people.
in terms of
at sight of
at the expense of
12． people are no longer worried about whether their food is safe or not they enjoy a better life.
Only if……can
If only ……can
What if……can
13．This, they argue, will be essential to the needs of a booming population in decades to come and avoiding starvation.
meet
meeting
met
14．The problem is uneven distribution, 870 million suffering from hunger.
left
to leave
leaving
15．Some illegal traders care about nothing but .
to make money
making money
made money
16．二、阅读理解：阅读下面的短文，根据文章内容进行判断，正确写“T”错误写“F”。
教材课文原文
The Company Leading the Future of Farming
Here’s a crazy idea: Combine bioprinting and tissue engineering to “print” animal products and tackle some of the planet’s biggest problems. Animal farming, after all, accounts for about half of all human-caused greenhouse gases, taking place on one-third of the available, non-frozen land on Earth. All to feed people’s appetites for 300 million tons of meat a year.
Modern Meadow is a Missouri-based startup that engineers tissues to create lab-grown edible meat, in a process that eliminates many of the negative environment effects associated with traditional livestock practices.
The company claims that by carefully layering mixtures of cells of different types in a specific structure, in-vitro meat production becomes feasible. It’s set a short-term goal of printing a sliver of meat around two centimeters by one centimeter, and less than half a millimeter thick, which is edible.
The company explains in a submission to the United States Department of Agriculture: “The technology has several advantages in comparison to earlier attempts to engineer meat in vitro. The bio-ink particles can be reproducibly prepared with mixtures of cells of different type. Printing ensures consistent shape, while post-printing structure formation and maturation in the bioreactor facilitates conditioning.”
However, it admits that the road ahead is strewn with difficulties. “The consumer acceptance of such products may not be without challenges. We expect it will first appeal to culinary early-adopter consumers and the segment of the vegetarian community that rejects meat for ethical reasons. With reduction in price, it can reach the masses with religious restrictions on meat consumption (people restricted to Hindu, Kosher, Halal diets) and finally populations with limited access to safe meat production.”
Whatever the final outcome, lab-grown edible meat is no longer in the realm of science fiction. It is coming.
Animal farming is responsible for the occurrence of greenhouse gases. 1
2. Modern Meadow is a newly-started business which aims to make profits by producing lab-grown edible meat. 2
3. The method Modern Meadow adopted to produce in-virto meat is by layering mixtures of cells of different types in a specific structure. 3
4. There is no meat engineered outside living bodies before. 4
5. This lab-grown meat has already widely received by the masses. 5
(1)
(2)
(3)
(4)
(5)
17．二、阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。
（教材课文原文）
1 2050, the world’s population 2 to rise to 9 billion from just over 7 billion currently. Proponents of genetically modified foods say they are safe and can boost harvests 3 in bad conditions by protecting against pests, weeds and drought. This, they argue, will be essential to meeting the needs of a booming population in decades to come and avoiding starvation.
4 Doug Gurian-Sherman, senior scientist for the food and environment program at the Union of Concerned Scientists, an advocacy group, said genetic engineering for insect resistance has provided only a modest increase in yields since the 1990s and drought-resistant strains have only 5 reduced losses from drought.
(1)
(2)
(3)
(4)
(5)
18．二、阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。
（课外选材）
According to experts, the advantage of modified food is that it helps in preventing the occurrence of allergies and also has a long shelf life. However, a major portion of the population is against the consumption of genetically modified food and is concerned about its disadvantages. If you are also confused about the consumption of genetically modified food, read through the pros and cons given below and decide for yourself.
Advantages of Genetically Modified Foods
●One of the most prominent advantages of genetically modified food is that it helps in controlling the occurrence of certain diseases. Certain foods cause allergy to people. Their genetic modification alters the DNA system of these foods, thereby making them non-allergic.
●Another major advantage of such type of foods is that they grow faster than their traditionally grown counterparts. As a result, there is greater productivity and more food.
●A person need not bother about any additional costs, such as buying chemicals and pesticides, when it comes to genetically engineered food. The food is naturally pest-resistant.
●Farming these foods can be a great way to fight world hunger. Since these crops grow faster or more effectively, increased production would help countries wherein crops may not normally prosper because of less than desirable environmental conditions.
●The increased shelf life of these food products helps in reducing the quantity of rotten food.
Disadvantages of Genetically Modified Foods
●The biggest disadvantage of genetically modified food is that they have harmful effects on the human body. The consumption of these genetically engineered foods can lead to development of diseases that are immune to antibiotics.
●Chances of developing cancer are high in people who regularly consume engineered food.
●Since it is an unnatural way of producing foods, there is an increased health hazard such as allergens, transfer of antibiotic resistance markers and unknown effects.
●Since the production of engineered food involves infusing animal genes in the crops and tampering with nature, it might not be good for consumption in the long run.
How does genetically modified food control the occurrence of certain diseases? 1
A. By cross-pollinating.
B. By conventional crossbreeding.
C. By altering the DNA system of these foods.
2. Do farmers need to buy any chemicals and pesticides if they plant genetically modified food? 2
A. Yes, they need to. Because the food is not resist to pests.
B. No, they don’t need to. Because the food is naturally pest-resistant.
C. No, they don’t need to. Because the chemicals and pesticides are provided by the government.
3. Which statement is not the advantage of genetically modified food? 3
A. It may have harmful effects on human body.
B. Genetically modified food grows faster than their traditionally grown counterparts.
C. Farming genetically modified food can help fight world hunger.
4. What would happen to a person if he regularly consume genetically modified food? 4
A. He would get cold.
B. He would lose some weight.
C. He would have cancer.
5. Which title is the best for this passage? 5
A. Can genetically modified foods combat world hunger?
B. Genetically modified mood: our answer is no
C. Genetically modified foods: pros and cons
理工英语4单元自测8（10分）
您好，在完成本单元的学习后，请您完成以下练习题。本练习题满分100分，将按10%计入形考成绩。 您可以反复练习多次，系统默认记录最高分。点击“提交所有答案并结束”按钮视为练习1次，无时间和次数限制。 中途退出，保存答案已作出选择的题目会自动保存答案，下次进入后可对做过的题目进行修改，并继续上次答题，不计入练习次数。
一、选择填空：阅读下面的对话或句子，从A、B、C三个选项中选出一个能填入空白处的最佳选项。
1．— According to a report of what holidays in the future might look like, a trip to the Moon or a stay in space will be the most mouthwatering destination for 2024 holidaymakers.
— , especially for thrill-seeking travelers like me.
Spectacular
Fancy
Spectral
2．— How do you like Anne Hathaway
— .
She is an American actress
She is amazing
She’s already married
3．— You need to believe that space tourism will grow and get cheaper. Maybe there is another option.
— .
How is it?
What is it?
Where is it?
4．— Let’s go to this movie and see what exciting experience it will bring to us.
—
You are such a great fan.
I am more interested in the film director.
Can’t wait to watch it.
5．— Space travel must be very very expensive.
— . The cost of a seat on the Virgin craft is $ 250,000.
That’s not true.
Of course.
Why do you think so?
6．Absolutely, that movie and I must admit that its director is brilliant.
held my breath
caught my breath
took my breath away
7．Our part of the mission is nearly complete and the new crew will for us.
take over
take out
take off
8．The atlas is normally kept by the big window but now it is to the wall right next to Broccoli.
struck
stuck
take off
9．Everything we do has the potential creating some bad.
to
in
for
10．I think the benefits of opening up space far the damage that we can see.
outwit
outweigh
outwear
11．There will be a space hotel in Barcelona Island, you can “experience” space travel by viewing lifelike galaxies through cabin windows.
when
where
which
12．You the Inception, since I remember once you discussed its main plot with Cathy.
could have watched
should have watched
must have watched
13．If Gardener , who will take care of us?
leaves
will leave
left
14． by the promise of these tiny tubes, people are already working to turn the Space Elevator into a reality.
To fuel
Fueling
Fueled
15．When we were students we often stay up all night.
will
would
should
16．二、阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。
（教材课文原文）
Diary of a Space Zucchini July 1
Today Gardener and his crew will depart in their seed pod; the replacement crew is ready to 1 in their place. He is wearing his space suit undergarments. Not too stylish but 2 . He gave all of us an extra long smell. His nose twitched with the slightest tickle from the leaf hairs on little Zuc. He said that what will be is for the best. It has been a wonderful journey; one chapter is closing, another is 3 . He had tears in his eyes, not just a small drop at the corners but a pool that was making him 4 . He reached up and 5 the light. In the frontier you should not be afraid of the dark.
(1)
(2)
(3)
(4)
(5)
17．二、阅读理解：阅读下面的对话，选择合适的内容将对话补充完整。
（教材对话原文）
Janet: Hey, how about getting together for a movie tonight?
Danny: Sure. 1
Janet: Well, let me check the Internet. What about the Interstellar?
Danny: Wow, I learn that it stars Anne Hathaway, my favorite actress.
Janet: Well, 2 , but I am more interested in the film director.
Danny: Who is it?
Janet: Christopher Nolan, a British-American film director. You must have watched the Inception, one of his masterpieces.
Danny: Absolutely, that movie took my breath away and I must admit that its director is brilliant. 3
Janet: Obviously it is a sci-fi film, which features a crew of astronauts who travel through a wormhole in search of a new home for humanity.
Danny: 4
Janet: The screenplay was written by Christopher and his brother Jonathan Nolan.
Danny: You are such a great fan of sci-fi movie.
Janet: Yeah, I am really into this. So let’s go to this movie and see what exciting experience it will bring to us.
Danny: 5
A. she is amazing
B. What about the screenplay?
C. Can’t wait to watch it.
D. So could you tell me more about Interstellar?
E. What’s playing?
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