2022八年级佛山外研版英语周报答案

8.C【解析】当木板与水平面夹角为53°时,两物块剛好滑动,A有沿B上表面向上运动的趋势,A、B间的静摩擦力f1=FN=mgos53°①,根据平衡条件可知绳对A的拉力T= mgsIn53°+f1②,此时B有沿木板面向下的运动趋势,B与木板间的静摩擦力f2=N=·6 mgcOs53°③,以B为研究对象,根据平衡条件可知,5mgin53=T+f+/2④,联立①②③④解得p=2,选项C正确

【语篇导读】本文是一篇记叙文,主要讲公An在上学途中遭遇蜂群攻击急中生智躲网避险成功的故事。4.D【解析】细节理解题。根据第一段 He was so busydreaming about all the fish he would catch that he wasunaware of everything else around him,可知,Andy正忙于做抓鱼的白日梦没有意识到他周围的事情。与D选项,他的思绪沉浸于钓鱼之旅相符。故选5.D【解析】细节理解题。根据第二段 A huge swamof bees filled the sky like a black cloud and the buzzingmass seemed to be heading angrily towards him意为大群蜜蛳像乌云一样布满天空而嗡嗡作响的蜂群似乎正怒气冲冲地向他飞来。可知,A,蟑群像乌云一样,C蜜蜂想成群攻击Andy均有提到;根据第二段What he saw shocked and terrified him,Andy看到的景象吓坏了他可知B选项也有提到;根据第三段第五句话和第六句话,可知Andy上次被蜜蜂蛰过一次后进了医院住了两天,D选项偷换了概念,故D选项文章并未提到。故选D。6.C【解析】细节理解题。根据第五段 Off his bike andinto the cool water he dived, disappearing below the sur-face and away from the savage insects. After holding hisbreath for as long as he could, Andy came up for air andnoticed- the bees had gone.Any下了车潜入了水中,躲开了蜂群在屏息了尽可能长的时间后Andy出来发现蜜蜂已经飞走了。故选C。7.B【解析】推理判断题。根据最后一段Andy的妈妈说的 Thank goodness you didn’ t panic,谢天谢地你没有慌神,可知情急之下Andy仍然成功想到办法脱险。故选B

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