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【单选题】
下面是关于局域网的描述,说法正确的是______。
A.
网络中的计算机不分主从
B.
联入局域网中的设备只能是计算机
C.
局域网中通信误码率较高
D.
局域网的覆盖范围一般在几米到几百米
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】D Next time a customer comes to your office, offer him a cup of coffee. And when you’re doing your holiday shopping online, make sure you’re holding a large glass of iced tea. The physical sensation(感...
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【单选题】( )的功能是将机械能转化为液压能。
A.
液压缸
B.
液压泵
C.
换向阀
D.
节流阀
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【简答题】Complete the following sentences with the phrases given below, change the form if necessary. take care of embark on grow into make sense keep track of burn out 1. We're______ a n...
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【单选题】Form this year on ,BlogCN will provide no more free______service.
A.
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B.
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C.
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D.
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【判断题】RC 电路在充、放电过程中,电容器两端的电压不能突变,电阻两端电压是可以突变的。
A.
正确
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【简答题】A. continual B. swallow C. hand in D. rhythm E. accompanyF. emerge G. H. try out I. hesitate J. swear 1.If you have a ( ) of your day, it will help you plan your time. 2. My university has lots o...
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【简答题】A. continual B. swallow C. hand in D. rhythm E. accompanyF. emerge G. H. try out I. hesitate J. swear 1.If you have a( )of your day, it will help you plan your time. 2. My university has lots of ...
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【简答题】Glaciers Glaciers are __1__ in places / where the __2__ are extremely cold. / In such cold places it snows most of the year. / Every time it snows, the below __3__ will compress more, / finally turnin...
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