以下几项中，属于白喉临床表现的是（）。 A.咳声低微无力 B.咳

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问题单项选择题 A1型题

以下几项中，属于白喉临床表现的是（）。

A.咳声低微无力

B.咳声如犬吠，伴有声音嘶哑，吸气困难

C.咳嗽阵发，发则连声不绝，咳声终止时有鸡啼样回声

D.咳声重浊紧闷

E.咳声不扬，痰稠色黄，不易咳出

答案

参考答案：B

选择题

区别甲烷和乙烯可选用的试剂是

A．水

B．浓硫酸

C．氢氧化钠溶液

D．溴水

填空题

用所绐词的适当形式填空

1. I can see and hear the teacher (clear).

2. Living in the country is much (exciting) than living in the town.

3. All of us need (study) hard.

4. Skiing is (popular), and few people like it.

5. Cycling is (popular) than running.

6. What about (ski) this weekend'?

7. They are singing and dancing ___ (happy) on the playground.

8. Wei Fang runs ____ (slow) than any other student in my class.

9. Who walks (quick), Mr. Wang or Mrs. Wang?

10. The boy studies English (good).