问题
单项选择题
精浆中的柠檬酸与精液的哪项内容密切相关
A．精子的活力
B．精液的颜色
C．精子成活率
D．精子的畸形
E．精液的凝固与液化过程
答案
参考答案：E
解析：柠檬酸通过与钙离子结合而调节精浆钙离子的浓度，影响射精后精液凝固与液化过程。
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精浆中的柠檬酸与精液的哪项内容密切相关
A．精子的活力
B．精液的颜色
C．精子成活率
D．精子的畸形
E．精液的凝固与液化过程
参考答案：E
解析：柠檬酸通过与钙离子结合而调节精浆钙离子的浓度，影响射精后精液凝固与液化过程。
| 下列各句中均有一处错误，请找出并改正。 | |
| 1. What about write a report about that? 2. I learn Russian by me. 3. I hope seeing you very soon. 4. Look! This is a old pencil-box of my brother's. 5. There are six peoples in her family. 6. The old man on the middle is Jeff's father. 7. Which kite is yours?The it on the wall. 8. who's that boy between your mother or father? | _____ _____ _____ _____ _____ _____ _____ _____ |