24春国开电大春湖南开放大学理工英语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国开形成性考核答案国开搜题

一网一平台答案渝粤搜题

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 is U.S’s?experience?in food safety management?一网一平台答案

—??????????????????????.

A. S. do better in this point渝粤教育

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:

2.—?Do you eat porridge every day?

—??????????????????????.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。

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渝粤搜题

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

答案:

3.— So how can we buy safe food?

—??????????????????????.渝粤教育

A. The higher the price, the safer the food

B. We can plant vegetables and fruits by ourselves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. When we choose food, we must remember to check its tag, confirming whether the basic information is marked on it一网一平台答案

答案:

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

A. edible

B. editable

C. edify

答案:

5.Some illegal traders care about nothing but ??????.一网一平台答案渝粤题库，我们的目标是要做全覆盖、全正确的答案搜索服务。

A. to make money

B. making money渝粤搜题

C. made money

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。

（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.

国开搜题

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.一网一平台答案

(1).__1__渝粤搜题

A. By

B. In

C. Until

答案:

(2).__2__

A. projected

B. is projected

C. has been projected

答案:国家开放大学作业答案国开形成性考核答案

(3).__3__

A. even though

B. even

C. though

答案:

(4).__4__

A. Furthermore一网一平台答案

B. Moreover

C. However

答案:

(5).__5__

A. modestly

B. modest

C. moderate

答案: