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【判断题】
功率放大电路的主要任务是向负载提供足够大的输出功率,因而采用微变效法来分析。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】Take the lift to the eighth floor and turn right. You _____ have any trouble finding my office. [ ]
A.
needn't
B.
mustn't
C.
don't
D.
shouldn't
【单选题】____ the lift to the second floor, and then ___right.
A.
Take / turn
B.
Make/ turn to
C.
Take / turn to
D.
Take / to
【单选题】Take the lift to the eighth floor and turn right. You_______have any trouble finding my office.A．
A.
34．Take the lift to the eighth floor and turn right. You_______have any trouble finding my office. A．needn’t
B.
mustn’t
C.
don’t
D.
shouldn’t