___ of years ago, life was much harder than it is today. People didn’t have modern machines. There was no modern medicine,
__.Life today has brought new
_____. One of the biggest is pollution of our drinking water.
__ 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
_____ a city. This kind of quilt is called smog.
Many countries are making rules to fight pollution. Factories must now clean their water before it is thrown away, and they mustn’t blow dirty
____ 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
___ or with our friends in
____ car. If there are fewer people driving, there will be
___ pollution.
Rules are not
___ .Every person must help to fight pollution.
| 小题1: | | A．Hundred | B．One hundred | C．Hundreds | D．Two hundreds |
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| 小题2: | | A．also | B．as well | C．too | D．either |
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| 小题3: | | A．problems | B．questions | C．styles | D．inventions |
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| 小题4: | | A．Noise | B．Dirty paper | C．Litters | D．Water |
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| 小题5: | | A．around | B．on | C．through | D．over |
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| 小题6: | | A．noise | B．smoke | C．water | D．wind |
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| 小题7: | | A．by foot | B．on bus | C．by bus | D．by the bus |
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| 小题8: | | A．same | B．the same | C．a same | D．different |
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| 小题9: | | A．fewer | B．less | C．a few | D．more |
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| 小题10: | | A．much | B．many | C．good | D．enough |
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