国家开放大学2022年秋《理工英语4》单元自测7[正确正确答案]

正确答案：D

国家开放大学2022年秋《理工英语4》单元自测7[正确正确答案]单选题答案

正确答案：A

正确答案：B

1.— So how can we buy safe food

—.

正确选项:--------

参考答案：C

A.The higher the price, the safer the food

B.We can plant vegetables and fruits by ourselves

正确答案：B

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

正确答案：A

正确答案：B

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

正确答案：D

正确选项:--------

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

随机答案：ABCD

正确答案：B

A.That bothers me too

B.I sincerely hope that the whole society pay much more attention to food safety

随机答案：ABCD

正确答案：A

C.Yes, you bet

3.—What is U.S’sexperiencein food safety management

正确答案：C

正确答案：B

—.

A.S. do better in this point

正确选项:--------

正确答案：A

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

正确答案：D

正确答案：B

C.Some illegal traders care about nothing but making money

正确选项:--------

正确答案：B

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

正确选项:--------

正确选项:--------

A.edible

正确选项:--------

随机答案：ABCD

B.editable

正确答案：C

正确答案：A

C.edify

正确答案：A

参考答案：C

5.They should never try to pursue profithealth and life of people.

正确答案：C

A.in terms of

B.at sight of

C.at the expense of

国家开放大学2022年秋《理工英语4》单元自测7[正确正确答案]多选题答案

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.

正确选项:--------

随机答案：ABCD

Advantages of Genetically Modified Foods

正确答案：A

随机答案：ABCD

●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.

正确答案：A

参考答案：C

●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.

正确选项:--------

●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.

正确答案：A

随机答案：ABCD

●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.

随机答案：ABCD

参考答案：C

●The increased shelf life of these food products helps in reducing the quantity of rotten food.

随机答案：ABCD

随机答案：ABCD

Disadvantages of Genetically Modified Foods

正确答案：B

正确答案：B

●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.

正确答案：B

正确答案：B

●Chances of developing cancer are high in people who regularly consume engineered food.

正确答案：A

正确答案：B

●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.

正确答案：C

●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.

正确答案：A

正确选项:--------

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

正确答案：D

正确答案：A

A. By cross-pollinating.

B. By conventional crossbreeding.

正确答案：C

随机答案：ABCD

C. By altering the DNA system of these foods.

正确答案：A

正确答案：B

2. Do farmers need to buy any chemicals and pesticides if they plant genetically modified food   2   

正确答案：D

参考答案：C

A. Yes, they need to. Because the food is not resist to pests.

随机答案：ABCD

正确答案：A

B. No, they don’t need to. Because the food is naturally pest-resistant.

正确答案：A

正确选项:--------

C. No, they don’t need to. Because the chemicals and pesticides are provided by the government.

正确答案：C

正确选项:--------

3. Which statement is not the advantage of genetically modified food   3   

正确答案：C

随机答案：ABCD

A. It may have harmful effects on human body.

正确答案：B

随机答案：ABCD

B. Genetically modified food grows faster than their traditionally grown counterparts.

随机答案：ABCD

正确答案：A

C. Farming genetically modified food can help fight world hunger.

随机答案：ABCD

随机答案：ABCD

4. What would happen to a person if he regularly consume genetically modified food   4   

随机答案：ABCD

正确答案：B

A. He would get cold.

正确答案：D

随机答案：ABCD

B. He would lose some weight.

正确答案：A

正确答案：B

C. He would have cancer.

随机答案：ABCD

正确答案：A

5. Which title is the best for this passage   5   

A. Can genetically modified foods combat world hunger

正确选项:--------

参考答案：C

B. Genetically modified mood: our answer is no

正确答案：B

C. Genetically modified foods: pros and cons

正确选项:--------

随机答案：ABCD

(1).__1__

正确答案：A

A.A

B.B

C.C

(2).__2__

A.A

B.B

C.C

(3).__3__

A.A

B.B

C.C

(4).__4__

A.A

B.B

国家开放大学2022年秋《理工英语4》单元自测7[正确正确答案]国开资讯分享：

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