2019-2020学人教版英语必修三导学同步练习：Unit+4+Astronomy：the+science+of+the+stars+Section+3+答案

Unit4SectionⅢⅠ.单词拼写1．Shehasadegreeinbiology(生物学)．2．Anapplefallsdownbecauseofgravity(重力)．3．Themoonisasatellite(卫星)oftheearth.4．Heisalovelyboy，verygentle(温和的)andcaring.5．Heisaphysicist(物理学家)ofthefirstrank.6．Someplantswillnotgrowinacoldclimate(气候)．7．Theplanecrashed(坠落)mysteriouslyneartheisland.8．Anotherspaceship(宇宙飞船)hasbeensentuprecently.9．Asmallcrowdattemptedtopull(拉)downastatue.10．Whenyou'retiredofswimming，justfloat(漂浮)forawhile.Ⅱ.语法填空1．(安徽高考改编)—Igetatleasthalfanhourofexercisealmosteveryday.—Ohgreat！Keepitup.解析：考查情景对话。句意：——我每天至少要锻炼半个小时。——哦，好极了！坚持下去。keepitup“坚持下去”。2．Sincethehousepriceinthecitymaybeashighaswecan'timagine，Isuggestthatwerentanapartmenttoliveinfirst.解析：考查原级比较。句意：这个城市的房价既然高到我们很难想象的那样，我建议我们先租套公寓住着。3．Pleasekeepyourwordnowthatyouhave_promised(promise)tocome.解析：句意：既然你答应了要来，你就要守约。nowthat“既然”，引导原因状语从句，由句意可知用现在完成时。4．Afterfightingwithhisillnessmanyyears，thepatientpulledthroughfinally.解析：句意：经过很多年与疾病作斗争之后，这个病人最终康复了。pullthrough“康复”。5．—I'mthinkingofthetomorrow'stest.I'mafraidIcan'tpasst