国家开放大学(电大)理工英语4单元自测7

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。

题目1

—Do you eat porridge every day

—.

B. No, sometimes I’d have a cup of soybean milk, a boiled egg and a steamed bun for my breakfast

题目2

—So how can we buy safe food

—.

/

C. When we choose food, we must remember to check its tag, confirming whether the basic information is marked on it

题目3

—What would you like to have for breakfast

—. Would you like to have a taste

A. Twisted cruller, I bought it this morning 正确

题目4

The technology has several advantages earlier attempts to engineer meat in vitro .

B. in comparison to

^

题目5

This, they argue, will be essential to the needs of a booming population in decades to come and avoiding starvation.

B. meeting

题目6

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.

1. How does genetically modified food control the occurrence of certain diseases回答

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回答正确

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回答

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回答

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回答

A. Can genetically modified foods combat world hunger

B. Genetically modified mood: our answer is no

C. Genetically modified foods: pros and cons

解析：

1. C

。

2. B。

3. A

4. C

5. C

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。

题目1

—I think the other reason can be identified from the industrialization of food production.

·

—. Some illegal traders care about nothing but making money.

C. Yes, you bet

题目2

—What is ’s experience in food safety management

—.

B. They are improving the legal system all the time and very strict in law enforcement

题目4

Animal farming about half of all human-caused greenhouse gases.

?

B. accounts for

C. count on

题目5

Some illegal traders care about nothing but .

B. making money

题目6

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。回答2050, the world's population 回答to rise to 9 billion from just over 7 billion currently. Proponents of genetically modified foods say they are safe and can boost harvests 回答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.

^

回答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 回答reduced losses from drought.

解析：

1. A

2. B

3. B

4. C

5. A

[

题目4

You can have eggs or hard-boiled.

B. fried

题目5

people are no longer worried about whether their food is safe or not they enjoy a better life.

A. Only if……can 正确

题目6

|

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 consum er 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.

1. Animal farming is responsible for the occurrence of greenhouse gases.回答

2. Modern Meadow is a newly-started business which aims to make profits by producing lab-grown edible meat.回答

3. The method Modern Meadow adopted to produce in-virto meat is by layering mixtures of cells of different types in a specific structure.回答

4. There is no meat engineered outside living bodies before.回答

5. This lab-grown meat has already widely received by the masses.回答

解析：

1. T

《

2. F

3. T

4. F

5. F

题目4

I am really by fresh ingredients, intricate cooking and diverse traditions of Chinese food.

A. fascinated 正确

题目5

They should never try to pursue profit health and life of people.

C. at the expense of

题目4

Modern Meadow is a startup that engineers tissues to create lab-grown _____ meat.

A. edible 正确

题目5

The problem is uneven distribution, 870 million suffering from hunger.

C. leaving

国家开发大学理工英语行考答案

一、选择题 Haven't seen you for ages, Mike. ________________ --- Pretty good. Everything goes well. 选择一项：B. How's it going? 正确 Goodbye, --- Bye, Sally! Don't forget to write. 选择一项：B. Stay in touch 正确 apartment only__________15 to 30 square meters for one unit. 选择一项：A. takes 正确 , I'm Harry Potter. ---Glad to meet you. I'm Miller. But __________. 选择一项：A. call me Paul.正确 technological advances made it possible for the middle classes to enjoy what had once been ________ only to the very rich. 选择一项：c. affordable 正确 has many Chinese ______. 选择一项：C. stamps 正确 this tiny housing solution is ______________ in urban areas in the ., and Canada. 选择一项：B. gain ground 正确 8. ---How are you? ---________ 选择一项：A. Fine, thanks. 正确 you good at Building Materials, Rose? ---_______. But I will try to study it well this term. 选择一项：C. Not very good 正确 solve this problem, New York city planners are challenging tradition and starting to _________more "micro units". 选择一项：C. design 正确 Could you please tell me something about the two_______? --- ___________. They arc exchange students of No. 1 Middle School. 选择一项：C. Germans; All right 正确 __________ are eating _________ at the foot of the mountain. 选择一项：B. sheep, grass 正确 13.——I’m so excited to meet you. May I introduce myself to you? ——___________________________ 选择一项：C. Sure. 正确 walls function like a dam to keep the water _____ and the structure lies naturally within its surroundings, remaining invisible from a distance. 选择一项：A. out 正确 know, this bridge ______ Hong Kong, Zhuhai and Macau. 选择一项：C. connects 正确 16. I really like that car you ________ and I am thinking of buying it. 选择一项：C. recommended 正确 17.——Excuse me. You must be Mr. Liu Hua from China?

理工英语4单元测试1答案

题目： _______, he knows a lot about computer. 答案：Child as he is 题目： My assistant will now______________ the machine in action. 答案：demonstrate 题目：__________ this multimedia product has some shortcomings, it has also some good points. 答案：While 题目：—Do you mind my using my mobile phone here? 答案：No, of course not 题目：—How isyour business going? 答案：Good, it's growing all the time. 题目：—I wonder if Icould use your tablet tonight?—________. I’m not using it right now. 答案：Sure, here you are. 题目：—Oh. Dear! I’ve lost my new watch. 答案：What a pity! 题目：2.—Thank you ever so much for the Apple Watchyou sent me. 答案：I’m glad you like it. 题目：Considering the needsof the new generation, we propose the concept of 答案：wearable 题目：Heremotelycontrols my mobile phone _______ he can set up it for me. 答案： so that 题目：If you want to download this app, you need to connect your mobile phone _______ 答案：to 题目：So ________that millions of people queue to buy it. 答案：popularis the smartphone 题目：The BBC has just successfully demonstrated a ________ radio transmission system. 答案：digital 题目：The speed with which digital cameras can take, process and _______ an image is 答案： transmit 题目：They are _______ make an announcement later on today. 答案：expected to 题目：You will quickly get used to_______ this new digital camera. 答案：using 二、阅读理解：这是客服人员帮助客服创建进入个人账户的场景，请在空格内填入字母将对话排序。 子问题1：D; 子问题2：C; 子问题3：G; 子问题4：A; 子问题5：F; 子问题6：H; 子问题7：B; 子问题8：J; 子问题9：E; 子问题10：I 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。子问题1：A. development; 子问题2：A. by; 子问题3：C. projects; 子问题4：B. up to date; 子问题5：B. qualified 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”。 子问题1：T; 子问题2：F; 子问题3：F; 子问题4：F; 子问题5：F

国家开放大学 理工英语4 Unit 1—4部分 解析

题目1 正确 获得1.00分中的1.00分 标记题目 题干 George can't remote control the costumer's mobile phone. 选择一项： 对 错 反馈 正确的答案是“错”。 题目2 正确 获得1.00分中的1.00分

标记题目 题干 The charge of the download service is low. 选择一项： 对 错 反馈 正确的答案是“错”。 题目3 正确 获得1.00分中的1.00分 标记题目 题干 The Smart Tutor app will help the costumer to speed up his phone. 选择一项：

对 错 反馈 正确的答案是“错”。 题目4 正确 获得1.00分中的1.00分 标记题目 题干 The purpose of the consumer is to set up a Google account. 选择一项： 对 错 反馈 正确的答案是“对”。 题目5

正确 获得1.00分中的1.00分 标记题目 题干 The consumer can use the application without his PIN Code. 选择一项： 对 错 反馈 正确的答案是“错”。 题目1 正确 获得1.00分中的1.00分 标记题目

IPhone has been sold well in the Chinese market. 选择一项： 对 错 反馈 正确的答案是“对”。 题目2 正确 获得1.00分中的1.00分 标记题目 题干 There hadn't been any wearable devices launched before Apple Watch. 选择一项： 对 错

国家开放大学(电大)理工英语4单元自测4

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。 题目1 —Do you like that technology exhibition? —Yes, I like it very much. . B. It shows me the impressive magic power of 3D printing. 题目2 —3D printing is one of the latest technological innovations. —____ Maybe its functions are questionable. A. Really? 正确 题目3 —Do you prefer a portable or a clumsy 3D printer? —. C. I prefer a portable one to a clumsy one. 题目4 Touch- ____ 3D maps help the blind too much. A. responsive 正确 题目5 This 3D printer was designed ____ produce snacks. A. to 正确 题目6 二、阅读理解：阅读下面的短文，根据文章内容进行判断，正确为“T”，错误为“F”。Passage 1 (教材课文原文) "The printer did not always manage to spread the plastic evenly, making some of the ribs of the honeycomb structure of the block uneven," reported ARN (Australian Radio Network) to the surprise of no one who has used a 3D printer. But the architects remain optimistic. The first few printed blocks are meant to be test pieces as they improve the process. It takes about a week to print a 3-meter high block right now. The project's leaders hope to eventually get that down to two hours and finish the first of 12 rooms in a year, and the entire house in less than 3 years. Ultimately, 3D Print Canal House is an architectural research project, one that is very much being conducted in the public eye: you can actually buy tickets to visit the construction site for 2.50 Euros. The top floors will become more ornate, for example, as newer techniques are incorporated. They'll explore the possibilities of 3D printing, like the honeycomb walls or an entire room recycled, redesigned, and built anew. Nobody's going to move into a 3D printed house soon, but, if anyone ever does, something might be learned from this experiment by the canal. 1. According to the passage, the 3D printer can type with plastic evenly. 2. This 3D printer printed some blocks to test its work. 3. The project's leaders will finish the entire house in less than 3 years. 4. 3D Print Canal House is printed to live. 5. The canal house will be decorated more. 解析： 1. F

2018国家开发大学理工英语行考答案

一、选择题 1.--- Haven't seen you for ages, Mike. ________________ --- Pretty good. Everything goes well. 选择一项：B. How's it going? 正确 2.--- Goodbye, everyone._______________ --- Bye, Sally! Don't forget to write. 选择一项：B. Stay in touch 正确 3.Each apartment only__________15 to 30 square meters for one unit. 选择一项：A. takes 正确 4.---Hello, I'm Harry Potter. ---Glad to meet you. I'm Miller. But __________. 选择一项：A. call me Paul.正确 5.The technological advances made it possible for the middle classes to enjoy what had once been ________ only to the very rich. 选择一项：c. affordable 正确 6.Tony has many Chinese ______. 选择一项：C. stamps 正确 7.Now this tiny housing solution is ______________ in urban areas in the U.S., and Canada. 选择一项：B. gain ground 正确 8. ---How are you? ---________ 选择一项：A. Fine, thanks. 正确 9.---Are you good at Building Materials, Rose? ---_______. But I will try to study it well this term. 选择一项：C. Not very good 正确 10.To solve this problem, New York city planners are challenging tradition and starting to _________more "micro units". 选择一项：C. design 正确 11.--- Could you please tell me something about the two_______? --- ___________. They arc exchange students of No. 1 Middle School. 选择一项：C. Germans; All right 正确 12.The __________ are eating _________ at the foot of the mountain. 选择一项：B. sheep, grass 正确 13.——I’m so excited to meet you. May I introduce myself to you? ——___________________________ 选择一项：C. Sure. 正确 14.The walls function like a dam to keep the water _____ and the structure lies naturally within its surroundings, remaining invisible from a distance. 选择一项：A. out 正确 15.You know, this bridge ______ Hong Kong, Zhuhai and Macau. 选择一项：C. connects 正确 16. I really like that car you ________ and I am thinking of buying it. 选择一项：C. recommended 正确 17.——Excuse me. You must be Mr. Liu Hua from China?

华南理工大学网络教育学院2019年大学英语B一(带答案)解析

1.(单选题) They cancelled the basketball game because of a _____ of interest. A. lack B. need C. lot D. common 答题： A. B. C. D. （已提交） 参考答案：A 问题解析： 2.(单选题) Learning is a long and exciting ______. A. situation B. process C. person D. sign 答题： A. B. C. D. （已提交） 参考答案：B 问题解析： 3.(单选题) I’m _____because I have received lots of presents. A. pleased B. unhappy C. angry D. resent 答题： A. B. C. D. （已提交） 参考答案：A 问题解析： 4.(单选题) I got confused, too. I seem to have ______ in dealing with numbers A．knowledge B．development C．challenge D．difficulty 答题： A. B. C. D. （已提交） 参考答案：D

问题解析： 5.(单选题) People use more words when they ______ with each other. A．complete B．communicate C．associate D．acquire 答题： A. B. C. D. （已提交） 参考答案：B 问题解析： 6.(单选题) ―How are you doing, Frank? ―_______________ A. How are you doing? B. How do you do? C. Great, thanks! D. It’s nice meeting you! 答题： A. B. C. D. （已提交） 参考答案：C 问题解析： 7.(单选题) ―Hi, it is nice to meet you! ―______________________ A. Nice to meet you, too. B. Fine, thank you! C. Good to you. D. How are you? 答题： A. B. C. D. （已提交） 参考答案：A 问题解析： 8.(单选题) ―Hello, I’m Robin.

国家开放大学理工英语答案完整版

国家开放大学理工英语 答案 HUA system office room 【HUA16H-TTMS2A-HUAS8Q8-HUAH1688】

F u t u r e H o u s e s 1、---Hello, I'm Harry Potter. ---Glad to meet you. I'm Miller. But __________. . call me Paul. 2、---Are you good at Building Materials, Rose? ---_______. But I will try to study it well this term Not very good 3、Could you please tell me something about the two_______ --- ___________. They arc exchange students of No. 1 Middle School Germans; All right 4、The technological advances made it possible for the middle classes to enjoy what had once been ________ only to the very rich affordable 5、The __________ are eating _________ at the foot of the mountain. sheep, grass Building a house costs quite a lot of money．Suppose you plan to build a house．Your first step will be to find a right piece of land．Your choice will depend on many different things．You will probably try to find a sunny place, with pleasant surroundings(环境) near shops and bus stops, not too far from your friends and the place where you work． Next you will find a good builder, and together with the builder you will work out a plan．The builder will draw the plan．It will show the number of rooms, their position and size, and other parts, which must be noticed, such as windows, doors, and electric outlets．The builder will work out how much money is needed to build your house．He will work out the cost of the wood, bricks, the glass, and everything else that must be used in building the house．Later on, when he starts to build, this estimate(预算)must be corrected and revised(修订)．His estimate is based on existing prices, but prices of such things may change, and many other things may happen between the time when he makes the estimate and the time when he builds the house． When the builder gives his estimate, you may wish to change your plan．(You may also wish to change your builder, if his estimate is too high!)You may find that the house you wanted at first costs too much, or that you can spend a little more and add something to your plan．The builder's estimate depends on the plan, but the final plan depends on the builder's estimate． 1．The best title of this passage would be “

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A. B. D. The high quality and reasonable price make the customers have strong A. B. D. More practice can help you to get ________ of your shyness in public. A. B. D. To forget is natural ________; to remember is unnatural and require A. B. D.

A. B. D. There is no reason for an able man to ________ himself that he can’t A. B. D. Erase the negative notion and adopt a ________ spirit, and you gain A. B. D. ________ makes success a certainty, while inconstancy often results A. B. D. Unit Two A. B. D. Life without passion would be ________.

A. B. D. We are supposed to ________ nothing but dreams. A. B. D. Many people felt ________ to help the victims after being told the A. B. D. In the U.S., there are some limits on what you can ask or expect A. B. D. The sex discrimination goes ________ the principle of equality. A. B. D. Really friendly people respect everyone ________. A. B. D. Unit Three

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单元自测6 —How often do you go dancing? —_______ 选择一项： A. Yesterday. B. Every other day. C. I will go dancing tomorrow. 题目2 —What do you think of the song? —_______ 选择一项： A. I like music very much. B. It sounds sweet. C. I don't know the title. 题目3 It is necessary __________ the book immediately. 选择一项： A. for him to return B. his returning C. that he returns 题目4 It's no use _____________ here, let's go home. 选择一项： A. waiting B. wait C. to wait 题目5 I really appreciate __________ to help me, but I am sure that I will be able to manage by myself. 选择一项： A. your offering B. you to offer C. that you offer 题目6 二、听力理解：请听下面的对话，根据对话内容进行判断，正确为“T”，错误为“F”。 1. Judy doesn't like to play games that require her to think hard. 回答 2. Henry is good at darts. 回答 3. Henry used to play dominos with his parents every day. 回答 4. Judy enjoys playing cards online. 回答 5. Judy is an expert at mahjong. 回答

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Future Houses ---Hello, I'm Harry Potter. 1、. call me Paul.---Glad to meet you. I'm Miller. But __________. ---Are you good at Building Materials, Rose? 、2Not very good ---_______. But I will try to study it well this term Could you please tell me something about the two_______? 、3---___________. They arc exchange students of No. 1 Middle SchoolGermans; All right 4、窗体顶端 4、The technological advances made it possible for the middle classes to enjoy what had once been ________ only to the very rich affordable 5、The __________ are eating _________ at the foot of the mountain.sheep, grass Building a house costs quite a lot of money．Suppose you plan to build a house．Your first step will be to find a right piece of land．Your choice will depend on many different things．You will probably try to find a sunny place, with pleasant surroundings(环境) near shops and bus stops, not too far from your friendsand the place where you work． Next you will find a good builder, and together with the builder you will work out a plan．The builder will

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