题目内容（请给出正确答案）

[主观题]

Air pollution, together with overpopulation, ______ many problems in big cities today.A．ar

Air pollution, together with overpopulation, ______ many problems in big cities today.

A．are causing -

B．is causing

C．are caused

D．is caused

提问人：网友lili11888 发布时间：2022-01-06

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第1题

回答{TSE}题： Traffic in Uur Cities Tile volume of traffic in many cities in the world toda

y continuesto expand．This causes many problems，including serious air pollution，lengthydelays，and the greater risk__________ (51)accidents．Clearly，something must be done，but it is often difficult to persuade people to__________ (52)theirhabits and leave their cars at home． One possible__________ (53)is to make it more expensive for peopleto use their cars by__________ (54)charges for parking and__________ (55)tougherfines for anyone who__________ (56)the law．In addition，drivers could be required to pay for using particular routes atdifferent times of the day．This system，__________ (57)as“road pricin9”，is alreadybeing introduced in a__________ (58)of cities，using aspecial electronic card__________ (59)to the windscreen of the car． Another way of__________ (60)with the problem is to provide cheapparking on the__________ (61)of the city，and strictly control the number ofvehicles allowed into the centre．Drivers and their passengersthen use a special bus__________ (62)for the final stage of their journey,Ofcourse．the most important__________ (63)is to providegood public transport．However，toget people to__________ (64)the comfort of their cars，publictransport must be felt to be reliable，convenient andcomfortable，with fares__________ (65)at an acceptablelevel． {TS}

A. of

B. for

C. about

D. by

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第2题

The purpose of the passage is to ______.A．describe the harmful air pollutionB．explain the

The purpose of the passage is to ______.

A．describe the harmful air pollution

B．explain the way to prevent air pollution

C．recommend a method to avoid air pollution

D．show the worries about the air pollution

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第3题

Factory emission of greenhouse gases is a form of _____.

A、water pollution

B、air pollution

C、land pollution

D、light pollution

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第4题

What is the passage mainly about？A．How to fight air pollution in big cities.B．How to avoid

What is the passage mainly about？

A．How to fight air pollution in big cities.

B．How to avoid air pollution in big cities.

C．How to breathe fresh air in big cities.

D．How serious air pollution is in big cities.

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第5题

Air pollution causes airplane accidents because ______.A．pilots become illB．visibility is

Air pollution causes airplane accidents because ______.

A．pilots become ill

B．visibility is reduced

C．engines fail.

D．the air is too hot

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第6题

Please write a paragraph of about 150 words. Air pollution occurs for a variety of reasons.

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第7题

The ______ system is used to reduce the air pollution caused by the engine.A lubricat

The ______ system is used to reduce the air pollution caused by the engine.

A lubricating

B emission control

C starting

D ignition

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第8题

The air pollution exceeds most ________ levels by 10 times or more.A acceptableB access

The air pollution exceeds most ________ levels by 10 times or more.

A acceptable

B accessible

C available

D applicable

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第9题

It is essential that the problem of air pollution ______ （discuss) again at the next meeti

It is essential that the problem of air pollution ______ (discuss) again at the next meeting.

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第10题

Something will have to be done about the air pollution,（）

A.won’t it

B.will it

C.has it

D.does it

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第11题

Because of the reduction of air pollution, this city now is a good place _______A．where to

Because of the reduction of air pollution, this city now is a good place _______

A．where to live

B．which to live

C．to be lived

D．to live

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