高一英语必修3第四单元words study.ppt

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1、unit4Astronomy:thescienceofthestarsByCrystalpleasereadthenewwordsandexpressionsofunit4fillintheblanks_________太阳系__________猛烈的；激烈的_________及时；终于__________轮到某人unlike_________prep.harmful_________adj.givebirthto_____________________下蛋_________存在，生存__________既然p

2、ull____________n.&vt.breakout___________________阻止；制止puzzle_________n.__________vt.__________密切注意；当心；提防__________感到高兴；感到振奋solarsystemviolentintime与......不同有害的layeggs产生；分娩existnowthatinone'sturn拉；拖；牵引力突发；爆发prevent...from谜；难题迷惑；为难watchoutforcheerupintime及时；终于no

3、tlate;withenoughtimetobeabletodosth.eg:Ifyoukeeponworkinghard,you'llsucceedintime.只要你坚持工作，你_____会成功的。关于time的短语：__________准时___________同时__________一直，一向迟早ontimeatthesametimeallthetimeeg:Toourpleasure,hisparentscametoacceptthefact___________.A.attimesB.intimeC.

4、ontimeD.atatimeBeg:Don'tworry.I'msurethingswillgetbetter__________.A.intimeB.ontimeC.attimesD.atthetimeAeg:我应该能及时赶回来去观看那场足球赛。Ishouldbeback_________towatchthefootballmatch.intimeharmfuladj.有害的________vt.&n.损害；危害；伤害________adj.无害的；无恶意的eg：Yoursmokingcanbeharmful

5、tothehealthofyourchildren.你吸烟会对你的孩子的健康有害。Thesun'srayscanbeveryharmfultotheskin.太阳光线也会对皮肤有害。归纳harmful的用法：对......有害harmharmlessbeharmfulto...exercise:饮酒太多有害你的健康。Drinkingtoomuchisharmfultoyourhealth.=Yoursmokingcandoharmtothehealthofyourchildren.eg：Yoursmokingca

6、nbeharmfultothehealthofyourchildren.你吸烟会对你的孩子的健康有害。对......有害：beharmfultodoharmtoexercise:饮酒太多有害你的健康。Drinkingtoomuchisharmfultoyourhealth.=Drinkingtoomuchdoesharmtoyourhealth.eg:Everyoneknowssmokingis__________totheirhealth,butmanyofthemcan'tbeatthemselvesaway

7、fromit.A.harmfulB.goodC.helpfulD.badAeg:Theaccidentcausedsome_________tomycar,butit'snothingserious.A.harmB.injuryC.ruinD.damageDharm意为“伤害；危害”，主要指精神上的伤害；injury意为“受伤”，主要指躯体和情感上的伤害；ruin意为“毁灭；废墟”，强调毁灭和不可修复；damage意为“损坏；损失；损毁”，强调使部分功能缺失。prevent...from阻止，制止eg:Nothi

8、ngcanpreventhimfrombeatingthepoordog.什么都不能阻止他打那只可怜的狗。Wewerepreventedbytheheavysmogfromseeinganything.浓雾使我们看不到任何东西。阻止某人做某事：preventsb.(from)doingsth.stopsb.(from)doingsth.keepsb.fromdoingst