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【判断题】
波分复用就是光的频分复用A.
正确
B.
错误
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举一反三
【简答题】Have you ever stayed up late? If so, you know that not getting enough sleep can leave you tired and grumpy . Not sleeping enough can also make it harder to think clearly the next day. Sleep experts ha...
【单选题】- I don't know how to thank you enough. -_________.
A.
No thanks
B.
Thank you, too
C.
Never mind
D.
It's nothing
【单选题】I wish you _____ go to the art gallery with us. If there _____ enough tickets, I’d let you know.
A.
can, were
B.
could, were
C.
will, were
D.
will, is
【单选题】New York is such a large city that you won't know enough about it________ you live there for half a year. [ ]
A.
as if
B.
now that
C.
even if
D.
so that
【多选题】当材料的批量较大提供的出厂合格证又较少时，可做抄件（如复印件）备查，并应注明原件证号、存放单位、抄件时间，并且应有（）。
A.
厂家证明
B.
抄件人签字
C.
供应商证明
D.
抄件单位盖章
E.
监测单位证明
【多选题】当材料的批量较大提供的出厂合格证又较少时，可做复印件备查，并应注明原件存放单位，并且应有()。
A.
厂家证明
B.
经办人签字和注明签字日期
C.
供应商证明
D.
原件存放单位
E.
监测单位证明
【单选题】—I really don’t know how to thank you enough . — .
A.
No problem
B.
Think nothing of it
C.
Not at all
D.
It doesn’t matter
【简答题】阅读理解。 Do you know that you are not outgoing enough? Do you want more friends, but are you too shy? Read the following rules. They will help you. Feel comfortable. Always be clean. Shower, brush your t...
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