选修7第二单元补充知识点VIP专享VIP免费

选修7第二单元补充知识点1．embarrassv．Shefeltembarrassedandquicklytoldhimtogo．她感到很尴尬，叫他赶快走开。Areyoutryingtoembarrassme?你是不是想让我难堪?Ifeltembarrassedat／byhiscommentsaboutmyclothes．他对我的衣服说长道短让我很难堪。Shefeltembarrassedat／byherbeinglate．她因迟到而焦虑不安。embarrass用作动词，主要有三个义项：使窘迫；使难堪；使焦虑不安。embarrassment是其名词形式。有两个义项：困窘，难堪；让人难堪的人或事。embarrassing是形容词，“令人难堪的；让人不安的”。embarrassed也是形容词，“感到难堪的；不安的”。2.envyv.Whatasweetvictorytobeenviedbythosewoman．一场多令那些妇女嫉妒的甜蜜胜利啊!Ienvyyoursuccess．=Ienvyyouyoursuccess．我羡慕你的成功，n.Hisnewcarexcitedtheirenvy．他的新车激起了他们的嫉妒。Sheistheenvyofthewholestreet.她是整条街上人们羡慕的偶像。envy既可作名词又可作动词。作动词时固定搭配；+名词；+复合宾语。envy作名词主要有两个义项：羡慕，嫉妒；令人羡慕的对象。envious是其形容词，固定搭配形式：beenviousof。3.divorcen．Soonafterhisdivorcein1873，Asimovmarriedagain．在他1973年离婚后不久，Asimov再婚了。v.Theyaredivorcingeachother．他们正闹离婚。Shedivorcedherhusbandtwoyearsago.她两年前同丈夫离婚了。Weshouldn'tdivorcetheoryfrompractice．我们不应该把理论与实践分开。divorce既可作名词又可作动词。作动词主要有两个义项：离婚；使离婚。常见短语有：askforadivorce；getdivorced；divorce．．．from4certain(1)作前置定语，意为“某个，某些”(2)意为“确定的，有把握的”用法相当于sure一般可互换。但在Itiscertainthat句型中只能用certainbesureofsthI’msureofthevictory.surebesuretodosthWearesuretowinthematch.besurethatI’msurethathecancomeontime.5experiment(1)n“试验，实验”常用词组：make/perform/carryout/conductanexperiment进行试验/实验(2)viexperimentwith测试，尝试6absent(1)缺席的，不在场的(+from)beabsentfromschool/ameeting/work不上学/不到会/缺勤Threemembersoftheclasswereabsentthismorning.Heisabsentonbusiness.他因事缺席。HeisabsentfromHongKong.他不在香港。(2)不在意的，漫不经心的,心不在焉的anabsentexpression/look茫然的表情/样子anabsentlookonhisfaceHelookedatmeinanabsentway.他茫然地望着我。Hehadanabsentlookonhisface.他脸上露出心不在焉的神色。absence(n)absenceofmind心不在焉的inone’sabsence=intheabsenceofsb在背地里，在某人不在时（3）缺少的,不存在的Snowisabsentinhiscountry.他的国家不下雪。（4）vt.不在；缺席Whydidyouabsentyourselffromschoolyesterday?昨天你为何不到校？absent的反义词是present出席的,在场的Howmanypeoplewerepresentatthemeeting?到会的有多少人?7persuade说服（成功地说服了某人做某事）如果表示说而不服用trytopersuadesbtodosth或advisesbtodosth常见用法persuadesbtodosthpersuadesbintodoingsthpersuadesbthat-clausepersuadesboutofdoingsth(1.)说服,劝服(+into/outof)/(+sbtodosth.)Shepersuadedmeintobuyingit.她说服我买下了它。Thesalesmanpersuadedustobuyhisproduct.那个推销员说服了我们买他的产品。Hepersuadedhertogo/intogoingwithhim.Ipersuadedhimoutofsmoking.Iadvisedhimtodoitbuthewouldn’t.=Itriedtopersuadehimtodoitbuthewouldn’t.(2).使某人相信(+of)/(+that)HowcanIpersuadeyouofmysincerity?我怎样才能使你相信我的诚意呢?Weworkedhardtopersuadethemthatweweregenuinelyinterestedintheproject.我们想尽办法以使他们相信我们确实对这一计划感兴趣。8elegant高雅的，优雅的anelegantwoman高雅的女士elegantmanners优美的举止anelegantpieceoffurniture反义词：inelegantelegance(n)elegantly(adv)9reachfor伸手触到，抓到Hereachedforhisgun.Ireachedacrossthetableforthejam.伸手到桌子那端去拿…reachout(tosb/sth)帮忙Wemustreachouttoth...