单项选择题

The best title which expresses the idea of the passage is（）.

A.Making School Buses Even Safer for Children
B.Seat Belts Needed on School Buses
C.Alternate Safety Devices and Procedures
D.Safety in and around School Buses

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单项选择题

According to the passage，the principle of system building is that（）.

A.construction methods are safer
B.buildings are made from a set of standardized units
C.similar buildings can be produced
D.all units are produced on the site

单项选择题

The theme of this article is （）.

A.women are naturally more helpful
B.men and women talk different languages
C.men talk most and interrupt other speakers more
D.little girls’conversation is less definite