题目内容

集成运放工作在非线性区时有虚短和虚断两种特性。

A. 对
B. 错

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She often _________ (go) to the library on Fridays.

Look! The girl ______ (play) the piano.

They ________ (watch) the football match at the moment.

Lisa likes ________ (read) books in her free time.

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