不定项选择

基本放大电路中，输入耦合电容 C1的作用是隔直传交。

A．正确
B．错误
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腹壁透创的类型不包括( )。
A.单纯性腹壁透创
B.并发腹腔脏器损伤的腹壁透创
C.并发肠管部分脱出的腹壁透创
D.脱垂肠管已有损伤的腹壁透创
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Which of the following sentences are ambiguous? If you know how, use tree diagrams to show how these sentences are ambiguous. (1) The children put the toy in tile box. (2) The professor s appointment was shocking. (3) No smoking section is availablE.(4) Jack refused to change his decision.
A.
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