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【单选题】
以下何者是集线器(Hub)的功能 ( )。A.
增加区域网络的上传输速度
B.
增加区域网络的数据复制速度
C.
连接各电脑线路间的媒介
D.
以上都不是
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皮皮学刷刷变学霸
举一反三
【判断题】光伏发电是利用半导体界面的光热效应而将光能直接转变为电能的一种技术。主要由太阳电池板(组件)、控制器和逆变器三大部分组成,主要部件由电子元器件构成。太阳能电池经过串联后进行封装保护可形成大面积的太阳电池组件,再配合上功率控制器等部件就形成了光伏发电装置。
A.
正确
B.
错误
【单选题】We can ’ t _____ examination not because it it the best system, but rather because we have not _____ a better way to evaluate students.
A.
do away, come up with
B.
do away from, come across with
C.
do away with, come up with
D.
do away to, come across
【单选题】It seems now that a dollar is not the same as that ten years ago. We can not use it to buy as many things as before. No one can deny that one dollar is worth 100 cents. The amount of money is fixed bu...
A.
Have a formal dress in one year
B.
Own a car in two years' time
C.
Save money and have a plan to avoid waste
D.
Put down every penny we spend
【简答题】已知下列命题 : “ 有些犯罪不是故意犯罪。 ” 为真,请指出其同素材的另外三个性质命题的真假。
【单选题】It seems now that a dollar is not the same as that ten years ago. We can not use it to buy as many things as before. No one can deny that one dollar is worth 100 cents. The amount of money is fixed bu...
A.
Have a formal dress in one year
B.
Own a car in two years' time
C.
Save money and have a plan to avoid waste
D.
Put down every penny we spend
【简答题】国际货币体系的历史起源于第二次后，第一个国际货币体系是布雷顿森林体系。
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