9.Hunderds of years ago,life was much harder thn 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.Water pollution has made our rivers and lakes dirty.It kills our fish and pollutes 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.
Many countries are making rules to flight pollution.Factories must now clean their water before it is thrown away,and 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 do not throw them on the ground,there will be less pollution.
Rules are not enough.Every person must help to fight pollution.

25.What is the biggest problem in today's life?D
A.Water pollution  B.Air pollution  C.Noise  D.Pollution
26.The most serious kind of pollution isB.
A.noise pollution  B.a(chǎn)ir pollution  C.water pollution  D.A,B and C
27.Factories must clean their waterD.
A.before they are thrown away
B.when they are thrown away
C.a(chǎn)fter it is thrown away
D.before it is thrown away.

分析 文章講述了在幾百年前,生活比現(xiàn)在更困難.人們沒有現(xiàn)代的機器,也沒有現(xiàn)代化的機器.現(xiàn)在的生活有新的問題了.其中最大的問題之一是污染.水污染使我們的河流,湖里殺死了很多魚,也污染了我們的飲用水.噪音是我們的說話聲音大并且變得也更容易生氣.空氣污染是最嚴重的一種污染.在世界上對所有的生物都有害的.

解答 25.D.本題所考查的知識點是對健康環(huán)保類閱讀的理解,根據(jù)文章的One of the biggest is pollution可知,"在現(xiàn)代生活中最大的問題是污染",故選D.
26.B.本題所考查的知識點是對健康環(huán)保類閱讀的理解,題干是問最嚴重的污染是什么污染?根據(jù)文章的Air pollution is the most  serious kind of pollution可知,"最嚴重的污染是空氣污染",故選B.
27.D.本題所考查的知識點是對健康環(huán)保類閱讀的理解,題干是問工廠必須把水…清洗干凈,根據(jù)文章的Factories must now clean their  water before it is thrown away可知,"污水在被扔掉之前必須要處理干凈",故選D.

點評 本文是科教類閱讀理解.做這類題材閱讀理解時要求考生對文章通讀一遍,做題時結(jié)合原文和題目有針對性的找出相關(guān)語句進行仔細分析,結(jié)合選項選出正確答案.推理判斷題也是要在抓住關(guān)鍵句子的基礎(chǔ)上合理的分析才能得出正確答案,切忌胡亂猜測,一定要做到有理有據(jù)

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