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【单选题】
下列选项叙述中，对量值描述不正确的是（）。A.
量的真值是个理想概念，不可能测量完全准确，因为所有计量器具都有误差
B.
国家计量基准具有保存、复现和传递计量单位值三种功能
C.
对于一个国家来说，每一个量值传递系统，允许有一个或几个国家计量基准
D.
量值传递是统一计量器具的重要手段，是保证计量结果准确可靠的基础
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举一反三
【单选题】. --Do you think he will come to my birthday party? -- _____. He is a man of his word.
A.
I can’t agree more
B.
You can count on it
C.
That’s all right
D.
It’s none of your business
【单选题】The time will come ____________ man can fly ____________ he likes in the universe.
A.
how ... where
B.
when ... wherever
C.
where ... where
D.
what ... which
【简答题】什么是经济存量,它和经济流量之间有何联系?
【单选题】—There is a man for you outside, Mr Wang. Can he come in now? —No, please ask him to wait for a few minutes. [ ]
A.
waiting
B.
to wait
C.
waited
D.
waits
【单选题】—Do you think that man will come to your help? —I really don’t know a person like him can help me with.
A.
how
B.
what
C.
why
D.
if
【单选题】Mr. Li, a man calling himself Smith wants to see you. ________ he come in?
A.
Should
B.
Can
C.
Shall
D.
Will
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