单项选择题

Light goes three quarters of the way from the earth to the moon in one second．（）

A．光一秒钟以后能走完25%的距离，从地球到月球。
B．光在一秒钟内可以完成地球到月球距离的四分之三。
C．光一秒可以走过地球至月球距离的四分之三。
D．光一秒钟可以通过地球到月球距离的四分之三。

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单项选择题

A large bus might carry（）people.

A．at most seventy
B．at least seventy
C．more or less seventy
D．much more than seventy

单项选择题

Which of the following statements is TRUE（）

A．The color of school buses is the same as other buses.
B．All the schools have their own buses.
C．The space among seats is large in order to make children feel comfortable.
D．Most of school buses have seats placed quite close together.