试题与答案

(4分)俗话说:“大灾之后必有大疫”,地震、干旱、泥石流等灾害后,往往会爆发传染

题型:实验题

题目:

(4分)俗话说:“大灾之后必有大疫”,地震、干旱、泥石流等灾害后,往往会爆发传染病,如水源污染会引起细菌和病毒性传染病。对灾区进行大范围消毒、加强食品和饮用水卫生监督、注射疫苗等防疫措施显得尤为重要。请回答:

(1)与细菌相比,病毒没有__________结构。

(2)使用消毒液进行大范围消毒,在预防传染病的措施中属于____________________。

(3)救援人员提前注射破伤风疫苗,该疫苗在免疫学上称为__________。

(4)对刚停止呼吸的人,应该马上用__________方法进行急救。

答案:

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参考答案:A, B, C, D, E

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     "With my foot?" said Henry.

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A. to go to the cinema

B. to have supper with Jim

C. to go to the bus stop

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B. take the first bus on the left

C. take the first road on the left.

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B. five minutes' walk.

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A. on the right after the big house

B. a small yellow house

C. beside a little tree.

5. Why did John asked Henry to open the door with his foot? Because Henry _____.

A. had no hands

B. was afraid to open with his hands

C. would carry a lot of things in his hands.

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题型:填空题

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(5)细胞中能控制物质进出的结构是______.

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