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【简答题】
() biological activity ()
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举一反三
【单选题】—What a nice classroom! —It _____ every day.
A.
is cleaning
B.
has cleaned
C.
must clean
D.
is cleaned
【简答题】运动员血液的特征
【单选题】Before going camping, we must discuss every thing-where to go, what to bring, when to start .
A.
such as
B.
for instance
C.
and so on
D.
take examples
【单选题】—You must obey every word of mine! —________ I don’t?
A.
What about
B.
How come
C.
What if
D.
Only if
【简答题】简述运动员血液的特征
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