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【判断题】
在反馈放大电路中,正反馈能增加电路的放大倍数,所以放大电路经常使用正反馈。A.
正确
B.
错误
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反馈参考答案：
举一反三
【判断题】The three companies were listed in the top 20 of the 100 most valuable Chinese brands in 2017 released by BrandZ.
A.
正确
B.
错误
【判断题】The three companies were listed in the top 20 of the 100 most valuable Chinese brands in 2017 released by BrandZ.
A.
正确
B.
错误
【单选题】The three companies were listed in the top 20 of the 100 most valuable Chinese brands in 2017 released by BrandZ.
A.
T
B.
F
【多选题】Which of the following companies would qualify to be regarded as subsidiaries of Alpha?
A.
Beta in which Alpha has 15% votes and a place on the board of directors
B.
Delta in which Alpha has 52% votes but no place on the board of directors
C.
Gamma in which Alpha has 25% shares and two places on the board of directors
D.
Theta in which Alpha holds 100% votes and all places on the board of directors
【简答题】滚子链由内链板、外链板、销轴、套筒和 组成,滚子与套筒为 配合。
【简答题】滚子链由内链板、外链板、销轴、套筒和 组成。
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