完形填空。
We   1   a survey about different   2   transportation last week. We asked
students   3   their favorite kinds of transportation.   4   are some of the results.
Most students come to school   5   bike and they like   6   bikes. Of course,
bikes are   7   than cars and buses. Some students like cars   8   they are safer
than bikes. Cars are also faster than bikes and buses. Among some students,
buses are not popular, because they often have   9   passengers(旅客). Buses
are also dirtier and more crowded. However(然而),  10   many people can
afford(买得起) a car．
(     )1. A．did
(     )2. A．kind of
(     )3. A．from
(     )4. A．Here
(     )5. A．on
(     )6. A．by
(     )7. A．cheaper
(     )8. A．though
(     )9. A．too much
(     )10. A．not

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