浙江省安吉县振民中学高一英语《Unit4 Astronomy the science of the stars:Words and Expressions》课件.ppt
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1、振民高级中学高一英语必修三必修三Unit 4 Astronomy:the science of the star高一英语组Words and expressions2021/8/8 星期日1预习案预习案I.Read the new words and expressions in Unit4 and try to master the black words and expressions.II.掌握下例重点单词的发音并写出中文意思。astronomy/strnm/_ religion/rldn/_theory/r/_atom/tm/_violent/valnt/_ atmosphere/tm
2、sf/_fundamental/,fndmentl/_ acid/sd/_multiply/mltpla/_oxygen/ksdn/_dioxide/daksa/_biology/bald/_gravity/grvt/_satellite/stlat/_physicist/fzsst/_climate/klamt/_天文学 理论;学说 激烈的;猛烈的;强暴的 基本的,基础的 乘,增加 二氧化物 万有引力,重力 卫星,人造卫星物理学家 宗教,宗教信仰 原子 大气层,气氛 酸 氧 生物学 气候 2021/8/8 星期日2III.掌握下例短语并写出中文意思。in time_lay eggs_give
3、 birth to_in ones turn_prevent.from_cheer up_now that _break out_watch out_get the hang of_及时,终于下蛋产生;分娩轮到某人;接着阻止感到高兴;感到振奋既然突发;爆发密切注视;当心;提防熟悉;掌握;理解2021/8/8 星期日3新授探究案新授探究案 I、检查预学案的完成情况(请学生齐读或个别读预学案中的重点单词及抽查短语掌握)。强化音标,突破重点单词的读法。II、听录音跟读第四单元的单词。III、自读一遍,然后小组内互相检查读的是否正确。IV、抽查部分学生读的情况。2021/8/8 星期日4V、强调如下词
4、的词形转换。1._ n.天文学 _ n.天文学家2._ n.系统;体系;制度 _ adj.系统的;涉及全系统的3._ n.宗教;宗教信仰 _ adj.宗教的 4._ adj.猛烈的;激烈的;强暴的 _n.激烈;猛烈5._ adj.有害的 _ adj.(反义词)无害的 _ n.伤害6._ n.反应;回应 _ v.反应;起作用7._ vi.存在;生存 _ n.存在;实有8._ n.出席;在场 _ n.当前 _ adj.缺席的;不到场的9._ n.谜;难题;vt.&vi(使)迷惑;(使)为难 _ adj.感到迷惑的 _ adj.令人迷惑的10._ n.物理学家;_ n.物理;_ adj.身体的ast
5、ronomy astronomer system systemic religion religiousviolentviolenceharmfulharmlessharmreactionreactexistexistencepresence present absentpuzzle puzzled puzzlingphysicistphysics physical2021/8/8 星期日5当堂检测案:当堂检测案:I.让单个学生读单词。II、根据汉语提示或用所给词的适当形式完成句子。1It cost him more than one_(十亿)dollars to complete the p
6、roject.2“What happened?”Johns mother asked him in a_(温和的)voice.3Before the Earths protective_(大气层)was formed,there was no life except in the sea.4With the_(引力)of the moon and the sun each day,tides(潮汐)roll in and roll away.5Manmade_(卫星)are used for sending and receiving messages.6Smoking_(乘,增加)the r
7、isk of heart attacks and other health problems.7Eating too many desserts can be_(有害的)to ones teeth.8Global warming and_(气候)change problems are perhaps the greatest threats to our planet.9According to the_(理论)of relativity(相对论),nothing can travel faster than light.10Most of the evidence had been dest
8、royed._(因此,于是),it was almost impossible to prove him guilty.billiongentleatmospherepullsatellitesmultipliesharmfulclimatetheoryThus2021/8/8 星期日6课后练习案:课后练习案:I.词组翻译。词组翻译。1、阻止_2、下蛋_3、轮到某人;接着_4、熟悉;掌握;理解_5、密切注视;当心;提防 _6、突发;爆发_7、及时,终于_8、产生;分娩_9、感到高兴;感到振奋_10、既然_prevent.fromlay eggsin ones turnget the hang
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