题目内容
2．He used to arrive late last year，but now he______．（ ）| A． | hasn't | B． | doesn't | C． | isn't | D． | wasn't． |
分析 去年他常常迟到，但是现在他不迟到了．
解答 答案：B
根据题干中的时间状语but now 但是现在，可知此处指现在，用一般现在时，去年迟到，but转折后说明现在不迟到了，所以用一般现在时的否定式，arrive是实意动词，he是三单式，故选B．
点评 熟悉助动词的用法，结合题意，给出答案．
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2．There are many kinds of pollution around us，（36）air pollution，soil pollution，noise pollution and light pollution．They are bad （37）C our health in many ways．
Burning gas，oil and coal creates air pollution．It can cause sore eyes and （38）D problems．
With the increase of pollution and the development of industry，litter is everywhere．It makes our environment dirty．People put lots of rubbish in the land．Farmers use too many （39）B in the fields．They destroy the soil．So soil pollution has become serious．
Noise pollution can make people（40）C．For example，people may lose their hearing if they work in a（41）B place for a long time．Too much noise can cause high blood pressure （42）A．
Working for a long time in strong，changeable light （43）D cause some kinds of illnesses．It makes people feel （44）C and is especially bad for the eyes．
With （45）B pollution，our planet will become greener and our health will be better．Let's be greener people．
Burning gas，oil and coal creates air pollution．It can cause sore eyes and （38）D problems．
With the increase of pollution and the development of industry，litter is everywhere．It makes our environment dirty．People put lots of rubbish in the land．Farmers use too many （39）B in the fields．They destroy the soil．So soil pollution has become serious．
Noise pollution can make people（40）C．For example，people may lose their hearing if they work in a（41）B place for a long time．Too much noise can cause high blood pressure （42）A．
Working for a long time in strong，changeable light （43）D cause some kinds of illnesses．It makes people feel （44）C and is especially bad for the eyes．
With （45）B pollution，our planet will become greener and our health will be better．Let's be greener people．
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| 39．A．chemical | B．chemicals | C．chemist | D．chemistry |
| 40．A．blind | B．lame | C．deaf | D．healthy |
| 41．A．noise | B．noisy | C．quiet | D．quietly |
| 42．A．as well | B．too | C．also | D．either |
| 43A．must | B．need | C．should | D．may |
| 44．A．comfortable | B．possibly | C．terrible | D．terribly |
| 45．A．little | B．less | C．few | D．fewer． |