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高中英语必修三第四单元重点、难点UnitFourAstronomy:thescienceofthestars
1、Theywerefollowedintimebylandanimals.陆地动物及时出现intime及时;终于Astitchintimesavesnine.小洞不补,大洞尺五Youwillgetusedtoitintime.最终你会习惯的易混辨析intime和ontimeintime表示“及时;终于”;而ontime表示“按时”联想扩展innotime立即;马上atonetime曾经;一度atatime一次atanytime在任何时候attimes有时;偶尔fromtimetotime有时即时活用–Howoftendoyougotoseeyourparents---__________.A.InnotimeB.AfterawhileC.InashorttimeD.Fromtimetotime答案D
2、Theyproducedyounggenerallybylayingeggs.它们以产蛋的方式生产后代layeggs下蛋Howmanyeggsdoesyouhenlayeveryweek你的母鸡每周下多少蛋?联想扩展laythetable摆桌子layup储存;搁置layover推迟laytheblameon责怪laythefoundation奠定基础layto归咎于layopen摊开;揭露layout摆开;展示layaside放在一边;积蓄laydown放下;放弃layfor等候
3、Theseanimalsweredifferentfromalllifeformsinthepastbecausetheygavebirthtoyoungbabyanimalsandproducedmilktofeedthem.这些动物和以前的任何生物形式都不同,因为它们产仔并用奶水喂...。