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【单选题】
能很合成和分泌雌激素的是A.
卵泡膜细胞
B.
粒黄体细胞
C.
膜黄体细胞协同粒黄体细胞
D.
膜黄体细胞
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反馈参考答案：
举一反三
【简答题】There are 365 days in a year. We sleep 8 hours a day, so we have 122 days for sleeping. Then our work time has 243 days left. But there are 52 weekends in a year. Each weekend is two days. We lose ano...
【单选题】I can never forget the days _____ we worked together and the days ______ we spent happily together.
A.
when; which
B.
which; when
C.
for which; that
D.
on which; when
【简答题】阅读理解 There are 365 days in a year. We sleep 8 hours a day, so we have 122 days for sleeping. Then our work time has 243 days left. But there are 52 weekends in a year. Each weekend is two days. We los...
【单选题】I can never forget the days _____ we worked together and the days ______ we spent happily together.
A.
for which; that
B.
which; when
C.
when; which
D.
on which; when
【简答题】按文件的物理结构,可将文件分为 ____、____和 ____三类。
【单选题】I can never forget the days________we worked together and the days________we spent together. [ ]
A.
on which；when
B.
which；when
C.
what；that
D.
when；which
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