外用杀虫主治疥疮，内服可助阳通便的药物是（）A．雄黄 B．硫黄

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问题单项选择题

外用杀虫主治疥疮，内服可助阳通便的药物是（）

A．雄黄

B．硫黄

C．蛇床子

D．樟脑

E．土荆皮

答案

参考答案：B

解析：

雄黄能解毒，杀虫。硫黄外用能解毒杀虫止痒，内服可以补火助阳通便。蛇床子外用能杀虫止痒，内服可以温肾壮阳。樟脑内服能开窍辟秽，外用能除湿杀虫、温散止痛。土荆皮外用能杀虫止痒。

填空题

根据汉语提示完成下列句子。

1. How did you become i _______ in playing the piano.

2. When he was at teenager, he started p_______ the piano as a hobby.

3. He decided to be a guitarist in a b________.

4. I often heard her play the v________.

5. My mother bought me a doll for my c________.

6. There is a c________ hall at Radio Beijing.

7. My father is a m________.

8. We made a d________ cake this morning. Now we need to clear up the kitchen.

9. The teacher didn’t teach me how to play the g_________.

10. At our school we can try lots of new activities s________ as sailing creative writing and playing musical instrument.

名词解释

热能动力装置。