【題目】根據(jù)短文內(nèi)容，選擇最佳答案。Pollution
Hundreds of years ago, life was much harder than it is today. People didn't have modern machines. There was no modern medicine, either.
Life today has brought new problems. One of the biggest is pollution （污染）. Water pollution has made our rivers and lakes dirty. It kills our fish and polluted our drinking water. Noise pollution makes us talk louder and become angry more easily. Air pollution is the most serious kind of pollution. It's bad to all living things in the world.
Cars, planes and factories all pollute our air every day. Sometimes the polluted air is so thick that it is like a quilt over a city. This kind of quilt is called smog（煙霧）.
Many countries are making rules to fight pollution. Factories must now clean their water before it is thrown away, they mustn't blow dirty smoke into the air.
We need to do many other things. We can put waste things in the dustbin and not throw it on the ground. We can go to work by bus or with our friends in the same car. If there are fewer people driving, there will be less pollution.
Rules are not enough. Every person must help to fight pollution.
（1）Hundreds of years ago, life was much harder than it is today because _______.
A.there were not any modern machines
B.there was no modern medicine
C.both A and B
D.there were not many people
（2）What is the biggest problem in today's life?
A.Water pollution
B.Air pollution
C.Noise
D.Pollution
（3）The most serious kind of pollution is ________.
A.noise pollution
B.air pollution
C.water pollution
D.A, B and C
（4）Factories must clean their water ________.
A.before they are thrown away
B.when they are thrown away
C.after it is thrown away
D.before it is thrown away
（5）From the passage we know that ________.
A.a few years ago, there was no smog at all
B.today people don't have to talk to each other in a loud voice
C.we can drink water from the polluted rivers and lakes'
D.people are making rules in order to fight pollution

【答案】
（1）C
（2）D
（3）B
（4）D
（5）D
【解析】本文主要介紹的內(nèi)容為現(xiàn)在的生活給我們帶來了污染，包括空氣污染，聲音污染，水污染等。并介紹了一些能夠保護(hù)環(huán)境的方法。
（1）C細(xì)節(jié)理解題。根據(jù)People didn't have modern machines.“他們沒有現(xiàn)代機(jī)器�！笨芍麄兩畋痊F(xiàn)在困難的原因是沒有現(xiàn)代工具。故選C。
（2）D :細(xì)節(jié)理解題。根據(jù)第一段第四句話One of the biggest is pollution.“污染是最大的問題中的一個(gè)�！笨芍膫�(gè)選項(xiàng)中污染是最大的問題。故選D。
（3）B細(xì)節(jié)理解題。由第一段倒數(shù)第二句話Air pollution is the most serious kind of pollution.“空氣污染是最嚴(yán)重的污染�！笨芍�。故選B。
（4）D細(xì)節(jié)理解題。由第二段第四句話Factories must now clean their water before it is thrown away.“工廠在排出廢水之前必須先清理�！笨芍９蔬xD。
（5）D推理判斷題。文章最后一段都在介紹通過什么方式能夠減小污染�？芍藗冋谥贫ㄒ�(guī)則來抗擊污染。故選D。

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