功能敛肺止咳的药物是 A．瓜蒌、贝母 B．紫菀、款冬花 C．桑

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问题单项选择题

功能敛肺止咳的药物是

A．瓜蒌、贝母

B．紫菀、款冬花

C．桑白皮、葶苈于

D．马兜铃、枇杷叶

E．五味子、罂粟壳

答案

参考答案：E

解析：五味子酸，温，能敛肺止咳。暑粟壳酸涩收敛，善敛肺而止咳。

阅读理解

阅读理解。

John is a basketball fan (迷). He likes playing basketball very much. His favourite basketball player is

Michael Jordan. He is on the school basketball team. He often plays basketball after school.

George is John's good friend. He doesn't play basketball. He likes playing volleyball. He plays volleyball

every afternoon.

1. John likes _____. [ ]

A. volleyball

B. basketball

C. baseball

D. ping-pong ball

2. _____ is John's favourite basketball player.[ ]

A. George

B. Michael Jordan

C. Jonald

D. John

3. _____ is on the school basketball team.[ ]

A. John

B. George

C. Jordan

D. John's friend

4. Does George play basketball? [ ]

A. Yes, he does.

B. He likes basketball.

C. No, he doesn't.

D. We don't know.

5. Geoege plays volleyball _____. [ ]

A. every day

B. every morning

C. every afternoon

D. every evening

填空题

如果抛物线y=（2-a）x²的开口方向向下，那么a的取值范围是______．