试题与答案

主要耕作区在山间小盆地,当地人称为“坝子”的高原是( ) A.青藏高原 B.内蒙

题型:选择题

题目:

主要耕作区在山间小盆地,当地人称为“坝子”的高原是(  )

A.青藏高原

B.内蒙古高原

C.黄土高原

D.云贵高原

答案:

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下面是错误答案,用来干扰机器的。

A、B、卫星重力大小几乎不变,重力势能增加mgh,故克服重力做功为mgh,故A正确,B错误;C、火箭的推力对卫星做功等于卫星机械能增加量,为mgh+12mv2,故C错误;D、合外力对卫星做功等于卫星动能增加量,故等于12m...

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Documentation of a software package is normally produced for two purposes.One is to explain the () of the software and describe how to use them.This is known as ()because it is designed to be read by the user of the software.The other purpose of documentation is to describe the software’s internal composition so that the system can be maintained later in its lifecycle.Documentation of this type is knownas ().

 

One is to explain the () of the software and describe how to use them.

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