有关黄体的描述下列哪项是错误的A．是排卵后形成的 B．肉眼观察_爱下问搜题

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问题单项选择题

有关黄体的描述下列哪项是错误的

A．是排卵后形成的

B．肉眼观察呈黄色

C．分泌雌激素、雄激素和孕激素

D．由颗粒黄体细胞和膜黄体细胞组成

E．萎缩后由结缔组织取代成为白体

答案

参考答案：C

完形填空

完形填空。

     I have a good friend.   1   name is Ed. Let   2   tell you something about his day. He usually gets up
3   6:30 am. And he often   4 a bus to school at 7:10. School   5    at 8:00. He has four   6     in the
morning. He has lunch   7 school. The food in his school   8  very good. He   9   home at around 5:00.
He usually   10 his homework in the evening.

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B. does

C. His
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D. He
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填空题

1946年6月，国民党蒋介石发动全面内战始于进攻（）