题目内容

They planned a(n) _______ development programme.

A. rural
B. enormous
C. nation
D. city

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Your problem lies in lacking _______ methods.

A. deficient
B. efficient
C. sufficient
D. proficient

Did the meeting _______ all your time?

A. hold
B. bring
C. consume
D. mark

传递处理模拟信号的电路,称为( )

A. 模拟电路
B. 数字电路

时间和幅度都连续变化的信号,称为( )信号

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