- Air is one of the biggest problems in the world today- Yes. We must take action to make the air less .A. pollution; pollution B. pollute; pollutionC. pollution; pollute D. pollution; polluted 题目和参考答案——青夏教育精英家教网—

题目内容

- Air_______ is one of the biggest problems in the world today

- Yes. We must take action to make the air less_______.

A. pollution; pollution B. pollute; pollution

C. pollution; pollute D. pollution; polluted

【解析】

试题分析：句意：—空气污染是当今世界上最大的污染之一。—是的。我们必须采取措施空气污染减少。空气污染是名词，故填pollution，polluted过去分词表被动，故选D。

考点：考查名词和非谓语动词的用法。

练习册系列答案

应用题天天练东北师范大学出版社系列答案

应用题天天练四川大学出版社系列答案

全国中考试题分类精选系列答案

初中学业考试指导系列答案

练习册吉林出版集团有限责任公司系列答案

相关题目

The plane here for ten minutes already.

A. has arrived B. has stopped C. has come D. has been

We'll never give up_______ on the project no matter how difficult it is.

A. work B. to work

C. working D. worked

- The trip to Dongshan was really interesting. We picked a lot of yang mei.

-_______, I agree with you, but there was too much traffic on the way and I felt sick.

A. By the way B. In my way

C. In some ways D. On my way

I can't believe that great changes_______ in Suzhou in the past 20 years.

A. has been taken place B. have taken place

C. took place D. have been taken place

A girl complained to her father about her hard life．She didn't know what she had to do and wanted to give up．She felt tired of fighting and fighting．One problem had been finished but another came over．

Her father，a cook，took her into the kitchen．He poured water into three pans and boiled(煮沸) them．After boiling，in the first pan was put some carrots，the second was put some eggs and the last was put with coffee．

The girl waited impatiently (不耐烦的)，confused by what her father did．About 20 minutes later，her father took out the carrots and put them in a bowl．He took the eggs and put them in a bowl．After that the coffee was poured into a cup．“My sweet heart，what do you see？” he asked．

“Carrots，eggs and coffee，” she replied．

Her father told her to close her eyes and asked her to touch the carrots．She did so and felt that the carrots were soft．After that he asked her to take the eggs and break them．After peeling (剥开) them，she got the eggs，cooked and hard．The last，the father let her smell the coffee． She asked，“What did you do this for，Father？” He explained that each had the same unlucky experience—the boiling water，but each had a different result． The strong and hard carrots had become soft and weak．The fragile eggs became hard after being cooked． The coffee was very special，they could change water．“Who are you？” asked her father．“When bad luck knocks at your door，what is your decision? Are you carrots，eggs or coffee？”

1.The girl’s father took her to the kitchen to .

A.ask her how to boil eggs B.show her how to make coffee

C.teach her how to be a cook D.tell her how to face difficulties

2.After about twenty minutes,the carrots became .

A.soft B.hard C.salty D. sweet

3.What can we learn from the passage?

A.The girl’s father liked to eat some kinds of food.

B.Bad luck always knocks at strong people’s doors.

C .Boiled carrots, eggs and coffee had the same result.

D .People should make right decisions when in trouble.

There is __ homework for us to do .It’s ___ to finish it in such a short time.

A. much too, unable B. too much, possible

C. too many, impossible D. too much, impossible

Do you know you could get sick just by walking past a building? The bacteria(细菌) that cause Legionnaire's disease grow very fast in large modern buildings. They are carried by air through the buildings and outside. Legionnaire s disease is only one of the illnesses that are caused by "sick buildings".

Some buildings can make you ill because their heating and air-conditioning(空调调节系统) are controlled(控制). Air from outside cannot get in through the closed windows; This indoor air pollution is a growing problem.

Legionnaire's disease may be the most serious result of sick buildings, but other unpleasant illnesses can appear.People who work in some buildings suffer （受苦）from tiredness, feeling sick and headaches. Their offices look bright and clean, but invisible(无形的) and dangerous bacteria are in the air around them.

There is an answer to the problem. The air-conditioning and heating can be tested for bacteria. Once the tests are finished, the sick buildings can be cured. This is expensive to do, but the results are good. The people in the buildings no longer get sick, and everybody is happier.

1."Sick buildings" means _______.

A. very old buildings

B. buildings that make people feel sick

C. buildings for sick people

D. buildings that are going to fall down

2.The indoor air pollution is caused by _______.

A. Legionnaire's disease B. the air from outside

C. lack(缺乏) of fresh air D. unpleasant illnesses

3.We can tell that a building might be "sick" when _______.

A. the windows are all closed

B. bacteria can be seen in the air

C. the air-conditioning and heating don't work well

D. people in it have got different kinds of diseases

4.Which of the following is TRUE?

A. Legionnaire's disease is only one of the results of "sick buildings".

B. There is less and less indoor air pollution.

C. The bacteria are not dangerous if the offices look bright and clean.

D. If the tests for bacteria are expensive. the results are good. .

5.The underlined sentence in the last paragraph means "As soon as the tests are finished, _______."

A. bacteria will disappear by themselves

B. Legionnaire's disease won't kill people

C. people in the building will no longer get sick

D. something can be done to cure the sick building

More than 20 people ________ in traffic accidents ________ last May.

A. have died, for B. have died, since

C. have been dead, since D. have been dead, for