More and more Americans are going to work by bike. Do you know why more people are 1 bikes to work? We can answer the question in 2 ways. First, bikes don’t need gasoline (汽油), so it takes 3 money to use them. Second, a bike doesn’t 4 much space (空间), so it is 5 to find a place for it. And riding a bike is good for one’s 6 . People often drive their 7 to offices or to shops, but now people think riding bikes is a good way of doing sports. That’s 8 more Americans are now riding to work 9 bike, and they are 10 their own cars at home. 小题1: A.making B.riding C.jumping D.believing 小题2: A.popular B.different C.famous D.friendly 小题3: A.less B.more C.much D.many 小题4: A.mend B.need C.have D.find 小题5: A.easy B.hard C.cheap D.expensive 小题6: A.journey B.health C.study D.work 小题7: A.buses B.trains C.cars D.boats 小题8: A.what B.why C.how D.where 小题9: A.by B.on C.at D.in 小题10: A.cleaning B.leaving C.staying D.learning