培优专项训练(一)=1\*ROMANI.1.A2.A not…until意为“直到……才”。句意为:直到老人被送去医院,我们才回家。故选A。[来源:学科网ZXXK]3.A very修饰形容词或副词原级;根据butthereare…可知答案选A,few修饰可数名词复数(fish)。[来源:Z&xx&k.Com]4.B5.B “toomuch+不可数名词”意为“很多……”;“muchtoo+形容词”意为“太……”;根据句意,dear意为“昂贵的”是形容词,money是不可数名词。故选B。6.D7.D8.D9.B10.C=2\*ROMANII.[主旨大意]本文是一篇说明文,主要讲述的是牙齿的作用和如何保持牙齿的健康。1.D 由上文Whenyoulaugh和下文showyourteeth可知是“张开嘴”,故选D。2.B 由上文Whyisthat?可知选B。3.C 由上文strong和下文helpyougrow可知选C。4.B 由aftergettingupandbeforebedtime可知选B。5.A spendsometimeonsth.“花费时间做某事”。6.B atleast意为“至少”。7.A 由常识可知牙刷每三个月换一次,故选A。[来源:学*科*网]8.D 由上文Itfeelsstrangewhenyou…可知答案。9.C keep…+形容词“保持某种状态”。10.B 由常识可知吃“大量的”水果和蔬菜有助于保持牙齿的健康,故选B。=3\*ROMANIII.1—5BDDAB主题阅读=1\*ROMANI.[来源:学|科|网]1—5ACAAB
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