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问题 单项选择题

我国将儿童期的发展过程分为()六个阶段.

A、新生儿期,乳儿期,婴儿期,学前期,学龄期和少年期 

B、新生儿期婴儿期学前期学龄期少年期和青年期 

C、乳儿期婴儿期婴儿后期学龄期少年期和青春期 

D、乳儿期婴儿期学前期学龄期少年期和青年期

答案

参考答案：A

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Many m    (1) meet and f    (2) a band because they like to write and play their own music. They may start as a group of high school students. Sometimes they may play to passers-by in the street or subway so that they can e    (3) some extra money for themselves or to pay for their i    (4). Later they may give p      (5) in p      (6) or clubs. They hope to make records in a s     (7) and sell millions of copies to become m    (8)! H    (9), there was one band that started in a different way. It was c     (10) the Monkeys and began as a TV show.
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单项选择题

振动压路机的规格是( )，振动夯板质量不小于180 kg，振动频率不小于3000次/min。

A．3～5 t，25～30 t
B．2～10 t，25～30 t
C．2～6 t，20～25 t
D．3～6 t，20～25 t
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