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【单选题】
两细胞（二核时期）的花粉粒中含有（）A.
一个营养细胞和一个精子
B.
两个精子
C.
一个营养细胞和一个生殖细胞
D.
两个生殖细胞
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Peter, you drank so much last night. You _______ if I remember correctly.
A.
aren't used to
B.
weren't used to
C.
didn't use to
D.
don't use to
【单选题】Turn ____ at the end of the street. If I remember ____, there's a train at six o'clock.
A.
right; rightly
B.
rightly; right
C.
right; right
D.
rightly; rightly
【简答题】If I remember _____, there's a train at six o'clock.
【简答题】我国最早的临床医学专著是。
【单选题】right; rightly Turn ____ at the end of the street. If I remember ____, there's a train at six o'clock.
A.
right; rightly
B.
rightly; right
C.
right; right
D.
rightly; rightly
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