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【单选题】
肌球蛋白是收缩蛋白,由 20~30 个肌球蛋白分子构成的纤维状结构称为 ______ ,它是肌原纤维的主要成分之一。A.
粗肌丝
B.
细肌丝
C.
肌动蛋白丝
D.
微丝
E.
中间丝
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反馈参考答案：
举一反三
【单选题】Everything seems all right,______?
A.
doesn't it
B.
wasn't it
C.
don't they
D.
hasn't it
【单选题】—What does this sentence mean ? --- It seems to me that it ________.
A.
doesn’t make sense
B.
doesn’t have sense
C.
doesn’t make meaning
D.
doesn’t be meaningful
【单选题】Your idea seems to be good but it isn't ______.
A.
practical
B.
possible
C.
plentiful
D.
precious
【单选题】It seems that the managers didn' t take reasonable care in_______the unprofitable divisions.
A.
being restructured
B.
restructuring
C.
restructure
D.
restructured
【单选题】Nothing seems to please her, _________?
A.
does it
B.
doesn’t it
C.
is it
D.
isn’t it
【简答题】阅读理解。 You know those days when it seems the world isn't on your side? When everything seems to go wrong. However trivial (乏味的)? Well, now there's a cure-a website with the sole aim of putting a smile ...
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