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The bicycle is one of the simplest yet most useful inventions in the world. What is most surprising is that it was not ___1__ earlier, although the great inventor Leonardo Da Vinci had drawn pictures for bicycles and also for flying machines and some other things. Those things were not produced___2___ long after he died.
  A person riding a bicycle uses ___3___ energy to make the bicycle move, and there is no pollution at all when you are riding. Even so, in developed ____4___, most people don’t travel to work by bicycle. It is not because the bicycles are expensive or people feel___5____ if they ride to work. It’s because __6___ cars on the roads becomes larger. It certainly becomes ___7___ to ride a bicycle. As a result, more people put their bicycles away and go to work ___8___ their cars , and in this way, the situation is made more serious.___9___ the best way to make riding safer and more popular is to create paths (开设通道) only for bicycles, and to make ___10___ so difficult and expensive for drivers to take their cars into the city that they will go back to use their bicycles.
小题1:
A.invent B.inventing C.invented D.to invent
小题2:
A.before B.when C.since D.until
小题3:
A.much B.quite a lot of C.very little D.many
小题4:
A.world B.countries C.land D.earth
小题5:
A.lucky B.glad C.sorry D.tired
小题6:
A.the number of B.a number ofC.this kind ofD.all kinds of
小题7:
A.safer B.more dangerousC.much dangerous D.safe
小题8:
A.by B.in C.use D.drive
小题9:
A.Hardly B.May be C.Perhaps D.Nearly
小题10:
A.it B.them C.us D.that

小题1:C
小题2:D
小题3:C
小题4:B
小题5:D
小题6:A
小题7:B
小题8:B
小题9:C
小题10:A
小题1:根据句意:它没有早些时候被发明,这里表示被动,填C。
小题2:not…until…“直到…才”,句意是:直到他死后这些东西才制造出来。选D
小题3:句意是骑车的人花费的精力很少,little修饰不可数名词,表示很少,其它选项意思都不对。选C。
小题4:developed countries“发达国家”选B。
小题5:句意是:许多发达国家中的人不骑自行车去上班。它不是因为自行车是昂贵的或者如果他们骑去工作,人们感到疲倦。所以选D。
小题6:The number of “…的数量”a number of“许多”,因为谓语动词用的是becomes,故选A。
小题7:B。句意是:它是因为道路上的汽车的数量很大。骑自行车肯定变成更危险的。
小题8:“乘车”可以用by car或in one’s car,所以选B。
小题9:句意是:或许,使骑车更安全和更受欢迎的最好的方式仅仅为自行车创造一条道路,选C。
小题10:这里填it是形式宾语,代指不定式to take their cars into the city ,选A。
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