现在轿车涂装（）以上已使用电泳底漆。A.70％ B.80％ C.90％ D.100％_爱下问搜题

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问题单项选择题

现在轿车涂装（）以上已使用电泳底漆。

A.70％

B.80％

C.90％

D.100％

答案

参考答案：C

单项选择题

我国采用的NICAM制数字多伴音制式，数字伴音的载频为

A．5.85MHz

B．4.43MHz

C．4.40MHz

D．4.25MHz

选择题

He was admitted to our school two years ago, a top school in our hometown, _____ he has been crazy about reading electronic novels, killing time.

A．after that

B．since that

C．after when

D．since when