Unit 5 A delicate world 单元“四步复习法”讲义-高二英语外研版（2019）选择性必修第二册

Unit5Adelicateworld—高二英语外研版（2019）选择性必修第二册大单元“四步复习法”第一步：单元学习目标整合1.通过阅读文章，了解保持生态平衡的重要性，每个人都要有环保理念，保护环境，保护大自然2.学生掌握it作形式宾语的基本用法3.学生能够准确得组织语言，完成写作任务第二步：单元思维导图回顾知识第三步：单元重难知识易混易错it作形式宾语当动词不定式（短语）、v-ing（短语）或从句作宾语时，为了保持句子结构的平衡，常用it作形式宾语，而将真正的宾语后置。此时的it无词义。其用法如下：1.常以it作形式宾语的动词有：feel，consider，find，believe，make，take，imagine，prove，think，suppose，regard，notice等。IfinditeasytogetonwithJim.我发现同吉姆相处很容易。2.it作形式宾语，代替动词不定式（短语）TheyfounditpleasanttoworkwithusChinese.他们发现与我们中国人一起工作很愉快。Hemakesitarulenevertoborrowmoneyfromothers.他立志决不向别人借钱。Iconsideritadvisabletotellherbeforehand.我认为还是事先告诉她好。3.it作形式宾语，代替v-ing（短语）用v-ing（短语）作真正的宾语时，其宾补通常是nouse，nogood，awaste，hardwork等。IthinkitnogoodspendingtoomuchtimewatchingTV.我认为花太多时间看电视是没有好处的。Ifeelithardworkpersuadinghimintodoingit.我感觉说服他做那件事很难。4.it作形式宾语，代替从句（1）在一些习惯用法中，it在hate，like，love，appreciate，enjoy，take，have等动词后作形式宾语，代替其后的宾语从句。Ihateitwhenhetalkswithhismouthfull.我讨厌他一边吃一边说话。Ilikeitwhenabookissogoodthatyoucannotputitdown.我喜欢那种碰上好书时手不释卷的感觉。（2）在一些特殊结构中，用it作形式宾语。takeitforgrantedthat...认为......是理所当然seetoitthat...确保......oweitto...that...多亏....../幸亏......WealltakeitforgrantedthatJameswillwinthegame.我们都确信詹姆斯将赢得这场比赛。Wouldyouseetoitthatshegetshomeearly?你保证她早早到家，好吗？IoweittomyteacherthatImadesuchrapidprogress.多亏了我的老师，我才取得这么快的进步。练习：1.Novisitorwouldthinkitsurprising______theislandisaUNESCOWorldHeritageSite.2.Expertsfeltitnecessary______(come)upwithaplantoremovealltherabbitsfromtheisland.3.Thisincidentmadeitclear______therat,mouseandrabbitproblemneededsolvingonceandforall.4.Wefeel_____ourdutytomakecountryabetterplace.5.Thetwogirlsaresoalikethatstrangersfinditdifficult______(tell)onefromthe-other.答案：1.that2.tocome3.that4.it5.totell第四步：单元核心素养对接高考语法填空Don'tbrag(炫耀),butbeproudofwhatyouhavedone.Thesetwopiecesofadvice①______(be)toughtobalancebeforeFacebookexisted.Eventoday'sshare-it-allsocialmediahaven'tmade

②______anyeasier.Weare③______(able)todrawalinebetweenahumblebraggingandastraight-upbragging.Butwecertainlyknowthatoversharingdoesn'tdoyourfriendshipanyfavors.

SocialmedialikeFacebookbringus④______(convenient).Meanwhile,theycanputus

⑤______dangerofoversharing.Onceuponatime,onlyyourfamilyandclosefriendswouldbethere⑥______(see)youeagerlyopenpresentsonChristmasmorning.Nowthephoto⑦______

youtakeonyouriPhonewilllikelybecomeatouch-upInstagraminabout15seconds.Maybeyoujustpostitsubconsciously.Butyoursharingbehaviorcould⑧______(easy)beconsideredannoyingorevennarcissistic(自恋的).Topostornottopost?Maybeweshouldallbeasking⑨______(we)thequestionbeforehittingthesharebutton.Asourpersonalfamegrowsalongsideoursocialmediapresences,so​⑩______(do)thenumberofpeoplewecouldpotentially(潜在地)impressorbother.答案：1.were/hadbeen2.it3.unable4.convenience5.in6.tosee7.that/which8.easily9.ourselves10.does

解析：1.were/hadbeen.此处考查对句子结构的分析,判断所填空须为谓语,考虑此处时态后,可知答案为were/hadbeen.2.it.此处考查it起到形式宾语的作用。3.unable.考查able的反义词,加前缀un。4.convenience.此处考查convenient名词形式拼写。5.in.此处考查