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[originaltext] Everybody loves the swimming pool. But how clean is the water
[originaltext] Everybody loves the swimming pool. But how clean is the water
游客
2025-01-17
9
管理
问题
Everybody loves the swimming pool. But how clean is the water in the average backyard or public pool? If you trust chlorine to take care of germs, you’re in for a surprise.
Chlorine and other disinfectants do indeed help to clean the water, but some germs can survive in even the best-kept pool. For example, cryptosporidium may live in pool water for several days. Crypto causes a diarrhea illness and may rinse off the bodies of infected people or diapered children into the pool. If you swallow infected pool water, you may become sick.
Other germs may live for a few minutes or a few hours in a chlorinated pool: Giardia, Shigella, and E. Coli may cause diarrhea illnesses. Pseudomonas Aeruginosa may cause an ear infection called swimmer’s ear and also a skin infection called "hot tub rash", that is usually associated with very warm pools and spas.
选项
A、Pseudomonas Aeruginosa.
B、Shigella, and E. Coli.
C、Giardia.
D、Cryptosporidium.
答案
A
解析
本题也属于事实细节题。本题难点是要选出文中提到的几种细菌中哪一种不会引起痢疾,而细菌的名称相当生僻,不易记忆,所以听解时可先记下细菌名称的大致音标再与选项对照进行筛选。由录音可知“Crypto,Giardia,Shigella,and E. Cell”均会引起痢疾,只有“Pseudomonas Aeruginosa”会导致“ear infection and also a skin infection”(耳朵感染和皮肤感染)而非痢疾,故选择a项。
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