24春国开电大云南广播电视大学理工英语1Unit 6 形考成绩单元自测6（10分）参考答案_1

Unit 6 形考成绩_单元自测6（10分）0

Unit 6 形考成绩_单元自测6（10分）0

试卷总分:100 得分:100

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. — ?A:? ??????????????? ?are the most popular things people buy online?

— ?B:?Definitely, clothes.?渝粤教育渝粤搜题

A. What do you think

B. How do you think

C. How about?

答案:

2.— ?We have to stay at home for a whole day. Why not go out and have a walk?

— ? ? ? ? ? ? ? ? ??

A. How is a good idea.

B. It sounds like a good idea.国开形成性考核答案

C. It like a good idea.

答案:

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3.Miss Liu doesn't mind _______ your homework as long as it is done by yourself.?

A. your delaying to hand in?

B. ?you to delay handing in ?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. your delaying handing in渝粤搜题

答案:渝粤搜题

4.________ is known to the world, Mark Twain is a great American writer.?国开形成性考核答案

A. That

B. Who

C. As

答案:

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5.Cleaner heating system will ????????? in Beijing to control air pollution.

A. be covered

B. be established

C. be sent渝粤题库

答案:

渝粤教育国家开放大学作业答案

6.二、阅读理解：阅读下面短文，选择合适的内容将短文补充完整。（操作提示：将代表正确答案的选项“A”、“B”等输入答案框即可。）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 cook or heat your home B. checked regularly C. to reduce air pollution D. Use less electricity? E. Raising any sort of livestock

?

Man-made air pollution mainly comes from two sources: mobile ones and stationary ones. Mobile sources are cars, planes, boats, etc. Stationary sources include large factories, power plants and every household, which burns natural gas or wood. The most important ways ?are to drive less, use less electricity and natural gas, and eat vegetarian.

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These ideas are easy to follow:

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1. Get your car ?to make sure everything works properly. Whenever possible, walk, cycle, carpool, or use public transportation. Buy fuel-efficient vehicles. Drive at 60 mph or less to improve gas mileage.

2. Burn less natural gas ?. Instead, use a solar cooker or heater and wear extra layers.

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3. Become a vegetarian or a vegan. requires more land and emits more carbon dioxide than simply growing crops directly for human food.一网一平台答案

4. . Coal power plants produce most of the world’s electricity, and they also produce more carbon dioxide than any other source. Coal plants also release many other pollutants. Unplug televisions, cell phone chargers, and other appliances while not in use. Most devices continue to use small amounts of power even when they’re turned off. Avoid using air conditioning, and don’t leave the fridge open any longer than necessary. Only run the clothes washer or dish washer when full. Rather than using a dryer, hang clothes on a line to dry in the sun.

(1).

答案:国家开放大学作业答案

(2).国开形成性考核答案

答案:

(3).国家开放大学作业答案

答案:

(4).

答案:

(5).

答案: