问题
多项选择题
下列哪些属于中枢兴奋性递质（）。
A.乙酰胆碱
B.腺苷
C.环核苷酸
D.门冬氨酸
E.谷氨酸
答案
参考答案：A, D, E
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下列哪些属于中枢兴奋性递质（）。
A.乙酰胆碱
B.腺苷
C.环核苷酸
D.门冬氨酸
E.谷氨酸
参考答案：A, D, E
When Jack was very young, he played a lot of football and he was very 1 at it. But then he went and worked in a town and there was no team for him, so he stopped 2 .Then he began to get rather 3 . So he thought, “ I’ve stopped playing football, and now I’m getting fat. 4 am I going to do?” He thought about it for 5 . And then he said to himself,” I know , I’ll play tennis.” He had a few lessons and then played for a few months. He met a nice girl ___6___ the tennis club one day, and they played a game of tennis against ___7___ young man and woman. Jack played very badly and was very 8 with himself.” I’ve never played as badly as this before,” he said to the girl, “Oh, ” she said ,” you 9 how to play tennis?” After that the girl taught him how to play tennis when she was free. And Jack ___10___ in love with her day by day. Now she becomes Jack’s wife. How amazing it is!
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