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    Some day small cars may take the place of today’s cars．If everyone  1  such a small car in the future，there will be less pollution(污染)in the air，there will be more parking space in cities，and the streets will be  2  crowded(擁擠的)．The space now for one car of the usual size can hold  3  one such a small car．

    The small cars will  4  much less to own and to drive．Driving will be  5  ，too，because the small cars go only 50 kilometers an hour．

    The cars of the future will be fine for going  6   the city，but they will not be useful for going far away．The small car needs only two batteries(電池)—one battery for the motor，and  7  for the horn and the lights．

    If we still  8  the big cars along with the small ones，we will need to  9  two kinds of roads．Some roads will be used  10  the big fast cars．and the other roads will be needed for the small，slower ones．

1．A．drives            B．sits             C．makes              D．sells

2．A．more            B．less             C．much               D．fewer

3．A．at least           B．no more        C．less than             D．more than

4．A．pay              B．spend          C．cost                 D．have

5．A．faster                   B．harder         C．safer                D．more dangerous

6．A．over             B．around         C．from               D．past

7．A．another           B．one            C．the other            D．others

8．A．think             B．use            C．park                D．lore

9．A．build             B．put            C．find                D．open

10．A．to              B．as            C．for                 D．in