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【单选题】
血睾屏障由相邻支持细胞间的紧密连接构成，它位于（）。A.
精原细胞和初级精母细胞之间
B.
初级精母细胞和次级精母细胞之间
C.
次级精母细胞和精子之间
D.
位膜和精原细胞之间
E.
位于精子细胞和精子之间
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参考解析：
知识点：
皮皮学刷刷变学霸
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【简答题】简述当前我国国家课程标准的主要内容。
【单选题】听力原文：W：I can't figure out what's wrong with my watch，It was just a month ago that I had it repaired． M：Don't waste your time and money any more．It's a very old watch and is quite worn-out． Q：What does...
A.
It will take about one month to repair the watch.
B.
The woman should have saved more money.
C.
It is a good idea to keep the old watch.
D.
The watch is no longer worth repairing.
【简答题】记录的方法有哪些?
【单选题】课程标准的主要内容
A.
包括课程定位、课程目标、教学起点、课程 内容与要求、教学方法与手段、实践条件、评价方法、课程资源等八 个部分。
B.
包括课程定位、课程目标、教学起点、课程 内容与要求4个部分
【简答题】记录的方法有哪些?
【简答题】会议记录的方法有哪些?
【单选题】听力原文：W: I can't figure out what's wrong with my watch. It was just a month ago that I had it repaired. M: Don't waste your time and money any more. It's a very old watch and it is quite worn out. What...
A.
It will take about one month to repair the watch.
B.
The woman should have saved more money.
C.
h is a good idea to keep the old watch.
D.
The watch is no longer worth repairing.
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