海金沙的功效是( ) A．清热利水，杀虫 B．利水通淋，解暑 C_爱下问搜题

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问题单项选择题

海金沙的功效是( )

A．清热利水，杀虫
B．利水通淋，解暑
C．利尿通淋，止痛
D．除湿退黄
E．利水渗湿

答案

参考答案：C

单项选择题

半抗原

A．既有免疫原性，又有抗原性

B．具有抗原性，而没有免疫原性

C．具有免疫原性，而没有抗原性

D．既没有免疫原性，也没有抗原性

E．与蛋白质载体结合后，可获得抗原性

补全对话，情景问答

从方框中选择最佳选项完成对话，有两项多余。

A. But I argued with my best friend yesterday.
B. That's not easy.
C. I'll try to apologize to her.
D. What should I do?
E. What can I do for you?
F. That's a good idea.
G. I don't have enough time.

A: I want to get good grades.    1  .
B: Maybe you could take part in after school  classes on weekends.
A:   2   I have to do my homework onweekends.
B: Well, you could ask your friends for help.
A:   3
B: You should say sorry to your friend.
A: OK.   4
B: I think you shouldn't play computer games or watch TV any more.
A:   5    I'll study harder and harder from now on.