24秋国开电大春陕西开放大学理工英语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。

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

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

A. That bothers me too渝粤题库

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

C. Yes, you bet

答案:

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

—??????????????????????.

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:

国家开放大学作业答案

3.— So how can we buy safe food?

—??????????????????????.渝粤题库

A. The higher the price, the safer the food

B. We can plant vegetables and fruits by ourselves国家开放大学作业答案

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

答案:

一网一平台答案

4.You can have eggs??????or hard-boiled.

A. frying

B. fried

C. have fried渝粤搜题渝粤题库

答案:

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

A. meet

B. meeting

C. met

答案:渝粤题库

国家开放大学作业答案

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）

渝粤搜题

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.

渝粤教育

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一网一平台答案

答案:

(2).__2__

A. projected

B. is projected

C. has been projected

答案:

(3).__3__

A. even though

B. even

C. though

答案:

(4).__4__渝粤题库

A. Furthermore国家开放大学作业答案

B. Moreover渝粤搜题

C. However

答案:渝粤教育

(5).__5__

A. modestly一网一平台答案国开形成性考核答案

B. modest

C. moderate

答案: