1．dustn．沙土；灰尘vi.&vt.擦灰→dustyadj.布满灰尘的2．chemistn．化学家；药剂师；药房→chemistryn．化学3．resignvi.&vt.辞职；辞去→resignationn．辞职；辞职信4．prayvi.&vt.企盼；祈祷→prayern．祷告；祈祷5．ripeadj.成熟的；时机成熟的→ripenvt.&vi.成熟，使成熟1．parceln．包裹vt.裹好；打包；分成若干部分①Iamgoingtotaketheparceltothepostofficethisafternoon.n.包裹②Thesalesclerkparceledthecustomer'spurchases.vt.打包③Theyparceledoutthelandintosmallplots.vt.分成若干部分2．mailn．邮件；信件；邮政vt.邮寄；发电邮给①Don'tforgettomailyourmothertheletter.vt.邮寄②Pleaseforwardmymailtome.n．邮件；信件③Ifwewanttosendsomethingtoanotherdepartment，weusethemailsystem.n．邮政3．shadevt.给……遮挡(光线)；加灯罩；把……涂暗n．阴凉处；灯罩；阴影部分①Thesetreesaffordapleasantshade.n．阴凉处②Thisartistuseslightandshadetogoodeffect.n．阴影部分③Abighatshadestheeyes.vt.给……遮挡(光线)4．wrinklevt.&vi.(使脸上)起皱纹；皱起n.皱纹①Theoldman'sfaceiscoveredwithwrinkles.n．皱纹②Shewrinkleduphernoseindistaste.vt.皱起③Theskinonhercheeksandaroundhereyeswasbeginningtowrinkle.vi.(脸上)起皱纹WordsandPhraseseq\a\vs4\al(知识要点1)mailn．邮件；信件；邮政vt.邮寄；发电邮给[教材原句P38]I'vebeendyingtohavesomeofmyfavouritesweets，andit'salwaysnicetogetmail!我一直非常渴望吃一些我最喜欢的糖果，而且收到邮包总是令人开心不已！[例1]I'vejustcomeouttomailsomeletters.我刚出来要寄几封信。[例2]Imailedhimaletteryesterday.昨天我给他邮去一封信。[知识拓展](1)mailsb.sth.＝mailsth.tosb.给某人邮寄某物mailout邮寄出去(2)bymail以邮寄方式[即学即练]单句语法填空/完成句子①Theshopmailedthebooktome.②TheschoolsaiditwouldmailoutacceptancelettersonTuesday.③HowmuchdoesitcosttomailaletterinItaly?在意大利寄一封信要多少钱？eq\a\vs4\al(知识要点2)chorusn．合唱曲；合唱团vt.合唱；齐声说[教材原句P38]WhenIreachtheschoolgrounds，I'mgreetedbyachorusof“goodmorning”fromtheboys.我走进校园时，男孩们齐声对我喊“早上好”。[例1]NeverbeforehaveIheardthissongsunginchorus.我从来没有听过这首歌的合唱。[例2]ThepapersallchorusedthepraisesofthePresident.各报都异口同声地对总统表示赞扬。[知识拓展]achorusof齐声；异口同声inchorus异口同声[即学即练]单句语法填空/完成句子①“Hello，”theyshoutedinchorus.②Theprofessor'sspeechwaswelcomedwithachorusofpraise.③Hewasmetwithachorusofapplausefromtheaudience.观众齐声对他报以一阵热烈的掌声。eq\a\vs4\al(知识要点3)nottomention更不用说；且不说[教材原句P38]There'snoelectricity，runningwateroreventextbooks，nottome