◎ 题干

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
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