必修3 Unit 4 Astronomy the science of the stars（课件PPT）-【新高考方案】2024高考英语一轮复习（老教材 新高考 人教版）

Unit 4 Astronomy:the science of the stars 微时光背诵一由教材充盈“语料库” 一、背单词与词块 (一)背阅读单词一会认就行 (背诵时遮住右侧汉语，先自主翻译，后比对词义) 1.astronomy n. 天文学 2.astronomer n. 天文学家 3.solar adj. 太阳的；日光的 4.billionpron.&n.&adj. (英)万亿；（美〉十亿 5.carbon n. 碳 6.dioxide n. 二氧化物 7.dissolve ot.&vi. 溶解；解散 8.acid n. 酸 9.chain n. 链子；连锁；锁链 10.multiply vi.&vt. 乘；增加 (二)背重点单词—写对才行 1.system n. 系统；体系；制度 2.theory n. 学说；理论 3.atmosphere n. 大气层；气氛 4.unlike prep. 与…不同；不像 5.fundamental adj. 基本的；基础的 6.thus adv. 因此；于是 7.gentle adj. 温和的：文雅的 8.physicist n. 物理学家 9.climate n. 气候 10.crash vi.&vt. 碰撞；坠落 11.Dull n.ot. 拉（力）；拖；牵引力 12.float vi.&ot. (使浮动：（使漂浮 n. 漂浮物 (三)背拓展单词 一用准行 1.religion n.宗教；宗教信仰→religious adj,宗教的 2.biology n.生物学→biologistn.生物学家→biological adi,生物的 3.violent adj,猛烈的；激烈的；强暴的→violently ado.猛烈地→violence n.暴 力 4.harmn.&v.伤害→harmful adj.有害的→harmles&ad,无害的 5.exist vi.存在；生存→existence_n.存在；生存 6.puzzle vt..&vi.(使)迷惑；（使）为难n.谜；难题→puzzled adj,迷惑不解 的→puzzling adi,令人迷惑的 7.globe n.球体；地球仪；地球→clobal adj.全球性的；全世界的 8.like vt.喜欢prep.像→nlike prep.与…不同；不像→dislike vt..&n. 不喜欢：讨厌→likely adj,可能的 9.react v.反应→reactionn.反应；回应 「语境活用] 1.Since my younger brother is fond of biology,he is determined to become abiologist when he grows up.(biology) 2.Last night we had a discussion,which became more and moreviolent.Finally we reached an agreement that we will never use violence whatever happens.(violent) 3.There was a puzzled look on the little girl's face because a puzzling problempuzzled her.(puzzle) 4.He often says that he doesn't believe in any religion but meanwhile he respects others'religious f freedom.(religion) 5.As is known to us,everyone has his likes_and dislikes.My little sister is fond of pop music.She is likely to become a famous pop singer in the future.(like) 6.The harmful materials became harmless to the environment after being dealt with.(harm) (四)背高频单词一先“记牢”再“用活”，不背绝对不行 1.harmful adj.有害的 背 (1)be harmful to sb./sth. 对某人/某物有害 词 do/cause harm to sb. 条 (2) 对某人有害 do/cause sb.harm 用 (3) There is no harm in doing sth. 做某事没有坏处 法 It does no h