题目内容

图6表示的是()。

A. 主动控制
B. 前馈控制
C. 预防控制
D. 被动控制

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A.gentlyB.freelyC.elegantlyD.wildly

A. gently
B. freely
C. elegantly
D. wildly

A.gainB.giveC.loseD.show

A. gain
B. give
C. lose
D. show

The United States entered the war against Germany ______ .

A. because Germany declared war
B. because Japan was an ally of Germany
C. after Germany had signed the Nazi-Soviet Pact
D. after peaceful efforts had failed

A.droppedB.pulledC.seizedD.tossed

A. dropped
B. pulled
C. seized
D. tossed

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