问题
单项选择题
对已确诊的百日咳患儿抗生素首选（）。
A.青霉素
B.先锋霉素
C.卡那霉素
D.林可霉素
E.红霉素
答案
参考答案：E
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对已确诊的百日咳患儿抗生素首选（）。
A.青霉素
B.先锋霉素
C.卡那霉素
D.林可霉素
E.红霉素
参考答案：E
| 阅读理解。 | |||||||||||||||
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| 1. How old is Lucy? | |||||||||||||||
| A. 11. B. 12. C. 13. D. I don't know. | |||||||||||||||
| 2. What's Han Mei's favorite color? | |||||||||||||||
| A. White. B. Red. C. Black. D. Blond. | |||||||||||||||
| 3. Are they in the same school? | |||||||||||||||
| A. Yes, they are. B. No, they aren't. C. Yes, they do. D. No, they don't. | |||||||||||||||
| 4. Are they in the same class? | |||||||||||||||
| A. Yes. B. No. C. OK. D. I don't know. | |||||||||||||||
| 5. What color is Lucy's hair? | |||||||||||||||
A. White. |
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