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【单选题】
正常精液中畸形精子数应少于A.
20%
B.
30%
C.
40%
D.
50%
E.
60%
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【单选题】All these activities can serve as a platform you might find the one you love.
A.
which
B.
that
C.
where
D.
when
【单选题】Can you _____________ all the answers to the questions? [ ]
A.
look
B.
look for
C.
find
【单选题】Disney is an amusement park _____ you can find all the normal attractions and Disney movies and characters. [ ]
A.
which
B.
where
C.
that
D.
when
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