24秋国开电大春西安开放大学理工英语4单元自测7（10分）答卷参考答案

单元自测7（10分）答卷

单元自测7（10分）

试卷总分:100 得分:100

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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?

—??????????????????????.

A. Porridge is my favorite

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

C. I seldom eat fast food because it’s rich in fat渝粤教育

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

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

A. That bothers me too

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

C. Yes, you bet渝粤题库，我们的目标是要做全覆盖、全正确的答案搜索服务。

答案:渝粤教育

3.—?What is U.S’s?experience?in food safety management?

—??????????????????????.渝粤题库

A. S. do better in this point

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

C. Some illegal traders care about nothing but making money

答案:

4.You can have eggs??????or hard-boiled.渝粤教育

A. frying

B. fried

C. have fried

答案:

5.The problem is uneven distribution,???????870 million suffering from hunger.国开形成性考核答案

A. left

B. to leave

C. leaving渝粤题库

答案:渝粤教育

一网一平台答案

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。渝粤教育

（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).__1__

A. By

B. In

C. Until

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(2).__2__

A. projected

B. is projected一网一平台答案

C. has been projected

答案:

(3).__3__

A. even though渝粤教育

B. even渝粤题库

C. though

答案:

(4).__4__

A. Furthermore

B. Moreover

C. However一网一平台答案

答案:

(5).__5__

A. modestly

B. modest渝粤题库，我们的目标是要做全覆盖、全正确的答案搜索服务。

C. moderate国开形成性考核答案

答案: