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问题 单项选择题

海外游客提出想为希望工程捐款，导游员正确的做法是（）。

A.接受捐款，然后亲自转交有关部门

B.表示欢迎，并带游客向政府部门捐款

C.报告旅行社，在领导指示下给予积极协助

D.把游客带到需要捐款的地方

答案

参考答案：C

单项选择题

长江中下游地区农村2000年第一产业增加值大约为多少亿元（）

A．4000

B．400

C．3600

D．360
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单项选择题

Sequential circuit is a common logic device whose output values, at a given instant, depend upon its input values and the internal state at that instant, and whose internal state depends upon the (66) preceding input values and the preceding internal state. A sequential circuit can assume a finite number of internal states and may therefore be regarded, from an abstract (67) , as a finite (68) .

Combinational circuit is another logic device whose output values, at any given instant, depend upon the input values at that instant. A combinational circuit is a (69) of a sequential circuit whose internal state is not taken (70) .

（68）处填（）。

A．automaton

B．robot

C．manipulator

D．man-machine system
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