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【单选题】
在Windows系统中设置默认路由的作用是( )。
A.
当主机接收到一个访问请求时首先选择的路由
B.
当没有其它路由可选时最后选择的路由
C.
访问本地主机的路由
D.
必须选择的路由
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举一反三
【单选题】在电动机控制电路中,热继电器主要是起( )作用。
A.
短路保护
B.
过载保护
C.
过电压保护
D.
欠电压保护
【单选题】The word demanded in Paragraph 5 is closest in meaning to______.
A.
pleaded
B.
visited
C.
required
D.
decided
【单选题】154 Which of the following is referred to as payback period:
A.
the number of periods required to recover the initial investment
B.
the rate of return on the investment
C.
the number of periods required to bring project cost back to the original budget, based on current performance
D.
loan payment schedule
E.
None of the above
【单选题】________ (,) the proposal concerning health food production was rejected for the lack of fund required.
A.
On the whole
B.
Hopefully
C.
Much to our regret
D.
What delights us most is
【判断题】电动汽车的优点是成本高
A.
正确
B.
错误
【单选题】Which of the following is closet to Deming's definition of Quality:
A.
. conformance to requirements.
B.
. fitness for use.
C.
. continuous improvement of products and services.
D.
. customer focus.
E.
. All of the above.
【判断题】重要动植物的引种工作,必须进行隔离检疫
A.
正确
B.
错误
【简答题】简述中学生情绪发展的两极性。
【单选题】纯电动汽车的优点是()
A.
不排放污染物、对人体无害
B.
经济效益较高
C.
节能减排
D.
都包括
【简答题】若一个数的算术平方根是8,则这个数的立方根是(      )。
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