24秋国开电大春吉林广播电视大学理工英语3unit1单元自测1（预备知识：Unit 1；10分）参考答案

unit1_单元自测1（预备知识：Unit 1；10分）0

unit1_单元自测1（预备知识：Unit 1；10分）0

试卷总分:100 得分:100

1. — If you're?short-listed for the interview, we'll ring you by Friday.渝粤题库

一网一平台答案

— _______

A. It doesn't matter.国开搜题

B. I don't care.

C. OK，Madam.I'm looking forward to hearing from you.渝粤教育

答案:一网一平台答案

国家开放大学作业答案

2.— ?Could you give me your phone number?

— ?_______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. It doesn't matter.

B. Sure. My phone number is 135-5674-5633.国家开放大学作业答案

C. It's very kind of you to do so.?

答案:

3.Going “green” ____ have to be a challenge.

A. don't国开形成性考核答案

B. is

C. doesn't

答案:

4.There are?______ students in Class One than in Class Two.?

A. more

B. many

C. most

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。

5.This garden is three times as ______ as that one.?

A. biggest

B. bigger

C. big

答案:

6.?二、完形填空：阅读下面的短文，选择合适的内容将短文补充完整。?

T op 3 Green Home Innovations

? ? ? . There are many things you can do to reduce carbon emission and help to make the earth a better place for future generations. Here are a few suggestions.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。

? ? ? Although LED lamps cost more money than standard incandescent or compact fluorescent bulbs do at the beginning, these long-lasting LED lamps will eventually be worth the money because of nergy?saved. LED lamps also produce a cleaner, more natural light.

? ? ? .“Water”is a hot topic, especially in the Southwest. Household?water filters are now available to clean and reuse water from showers and baths. Gray water reuse systems redirect the used water from washing machines to lawns or gardens.

? ? ?

? ? ? . Building materials and embellishments like paint and carpets can?emit?chemical compounds into the atmosphere, and because a home is an enclosed space, those compounds can sometimes accumulate to dangerous levels. Installing a whole-house air purification system is one way to keep indoor air clean and circulating.

国开搜题

? ? ? Going “green” doesn't have to be a challenge. A home is a long-term investment. You don't have to start over from cratch.?Make small changes. Choose environmentally friendly paint or LED bulbs.?

? ? ? Chances are that your home will need improvements eventually.Whenever possible, choose upgrades that will reduce your carbon footprint. It's good for the planet, and it's good for you.

A. In recent years indoor air pollution has got a lot of attention.

B. Air Purification

国开形成性考核答案

C. Water Recycling

D. In the last decade a growing number of people were interested in conserving energy and preserving the environment by living “green”

E. LED Lighting

(1).

A. A

B. B

C. C

D. D

E. E渝粤题库渝粤搜题

答案:

(2).

A. A

B. B

C. C

D. D

E. E

答案:

(3).国家开放大学作业答案

A. A

B. B

C. C

D. D

E. E

答案:

(4).

A. A国开搜题

B. B

C. C

D. D

E. E

答案:渝粤搜题

(5).

A. A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。

B. B

C. C

D. D

E. E

答案:国开形成性考核答案