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【简答题】
对硅材料来说,入射光子能量需比禁带宽度_______,才能发生本征吸收,本征吸收的最低能量光子的波长λ0和频率ν0即为_________________。
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【单选题】Don‘t call me at the office _______ it’s absolutely necessary。
A.
except
B.
unless
C.
since
D.
if
【单选题】What is the author's viewpoint toward'the right of not to be poor'?
A.
Absolutely approval
B.
Mixed
C.
Moderately approval
D.
Dislike
【单选题】Wife Our visit to London is really rewarding. What do you think, darling? Husband ______We’ve really got something from this visit. Wife Don’t forget the shopping before we leave this lovely city. Hus...
A.
I get it.
B.
Well, I don’t think the way you do.
C.
You bet.
D.
I'm glad to hear that.
【单选题】—Were you angry with your husband? —Well,yes, () .But it didn't matter really.
A.
sort of
B.
of a sort
C.
some sorts of
D.
all sorts of
【单选题】It's absolutely unacceptable to sacrifice people's life and health________ the economic development in any case. [ ]
A.
in the hope of
B.
in exchange for
C.
in face of
D.
in need of
【简答题】情景对话。 Husband: Hi, darling, I'm home. Wife: 1 Husband: Well, just as usual. Wife: Come on, I've known you for years.Your face tells me something has happened. Husband: Is that so? Wife: 2 .Tell me, wh...
【单选题】. Premier Wen said, “I once again emphasize that it is absolutely unacceptable to sacrifice people’s life and health ________ the economic development in any case.”
A.
in the hope of
B.
in return for
C.
in the face of
D.
in exchange for
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