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【单选题】
探头匹配阻尼 , 一般选择( )A.
80Ω
B.
160Ω
C.
320Ω
D.
400Ω
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举一反三
【单选题】在Word 2010中,用户需要还原刚进行的撤消操作,应执行__________操作。 知识点:【11120105】 知识考核要求:【1】 能力考核要求:【1】 难度系数:【A】
A.
替换
B.
粘贴
C.
撤消
D.
恢复
【简答题】The bicycle is one of the most important vehicles in the world. In every country people use bicycles for work, for sport or just for fun . Bicycle riding is good exercise. It helps people become fit. ...
【单选题】继电器报警回路中,若出现短时间报警但未按确认按钮故障即消失,这时系统会出现
A.
.报警灯快闪,发声响报警
B.
报警灯慢闪,发声响报警
C.
报警灯慢闪,不发声响报警
D.
报警灯快闪,不发声响报警
【简答题】The Silk Road is the name of different roads that long ago connected Europe, Africa and Asia. People reached these different places along these roads. Scientists believe people began to travel the Sil...
【单选题】— I am so sorry to have come late for the meeting. — It is not your fault. With ________ rushhour traffic and ________ heavy rain, it is no wonder you were late. [ ]
A.
a; a
B.
the; the
C.
/; /
D.
/; a
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