当暖湿空气移到较冷的陆地或水面时，因下部冷却而形成的雾飘浮空_爱下问搜题

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问题单项选择题

当暖湿空气移到较冷的陆地或水面时，因下部冷却而形成的雾飘浮空中，就形成了悬在半空中的“飘带雾”，附在海面而随风平流，则得名为“平流雾”。“平流雾”通常发生什么季节？（）

A.春季

B.秋季

C.冬季

D.夏季

答案

参考答案：C

单项选择题

人体体温每下降1℃，基础代谢率约下降（）

A.1％～2％

B.3％～4％

C.6％～7％

D.8％～9％

E.10％～12％

完形填空

完形填空。
People often fall ill because of me__1__,they can hardly blame me;it is largely their own__2__. A tired person may get__3__specially when he goes to crowded places with polluted air.A sudden change in__4__is another factor.In hot summer,people turn on the air-conditioner upon returning home.They will catch a cold easily. My latest victim is an energetic student.After school,he played football hard for two hours. Though__5__,he still went to the cinema.Then he got back home and took a cold shower immediately. I seized this golden chance to__6__him.He reacted,trying to__7__me,but I was already__8__ deep in his throat.He kept sneezing(打喷嚏)and his nose was running,__9__he put on some warm clothes,it didn't work,for there were too many of us.Besides,his sore throat kept__10__ him,and he developed a cough to force me and my family out,but__11__. The next day he couldn't go to__12__.He had lost his appetite and was not as__13__as before.His mother made him orange juice every few hours for more vitamin C,which would help his__14__. For two days he was__15__y his mother.As he rested more,his defense strengthened and I began to feel the__16__.I knew I had to__17__him before long.But I am not the one who gives up easily,and I made everyeffort to fight back.__18__,it was my turn to feel__19__now,for his defense system was starting an all out attack against me.I became__20__and finally my time was over. Do you know what I am?
( )1.A.Therefore ( )2.A.business ( )3.A.punished ( )4.A.temperature ( )5.A.excited ( )6.A.injure ( )7.Aetonwith ( )8.Aeproducing ( )9.Aeminding ( )10.Aeminding ( )11.Ascaped ( )12A.bed ( )13A.peaceful ( )14.recovery ( )15A.protected ( )16.A.loss ( )17.A.leave ( )18.Uncertainly ( )19.Aainful ( )20.Aigger	B.Besides B.responsibility B.blamed B.season B.hurt B.bother B.getridof B.waiting B.Once B.upsetting B.succeeded B.work B.afraid B.development B.nursed B.operation B.catch B.Unsuccessfully B.disappointed B.weaker	C.However C.excuse C.caught C.place C.late C.attack C.putupwith C.hiding C.Whether C.comforting C.regretted C.school C.active C.study C.scolded C.pressure C.forget C.Unusually C.nervous C.smaller	D.Then D.fault D.killed D.condition D.tired D.destroy D.takeholdof D.disappearing D.Although D.influencing D.failed D.hospital D.happy D.growth D.affected D.movement D.beat D.Unfortunately D.ashamed D.stronger