人教版高中英语同步学考选修6 Unit 3 Section Ⅲ— Grammar.pptVIP

SectionⅢ—Grammar

一二一、阅读下列句子,指出it所指代的内容1.—Whoseumbrellaisthis?—ItisMary’s.2.—Whoisknockingatthedoor?—It’sme.3.Itisafinedaytoday.4.It’salongtimesincetheyleft.5.Iboughtanewpencilyesterday,butIcan’tfinditnow.答案：指代“umbrella”答案：指代“我”答案：指代“天气”答案：指代“时间”答案：指代“pencil”

一二6.Itisnousecryingoverspiltmilk.7.MarxfounditimportanttostudythesituationinRussia.8.—WhatcanIdoforyou?—Thankyou.Icanmanageit.答案：指代“cryingoverspiltmilk”答案：指代“tostudy...”答案：指代“要帮忙的事”

一二二、根据所学知识,用合适的词或词组填空1.Theawardontheleftismorebeautifulthanontheright.?2.Fewpleasurescanequalofacooldrinkonahotday.?3.Thehunter’syoungersisteristallerthantheelder.?4.is3yearssincehejoinedthearmy.?5.IboughtadictionarythreeyearsagoandIamstillusingnow.?6.IboughtadictionarythreeyearsagobutIamgoingtobuyanewsoon.?7.iswellknowntousallthattheearthisround.?8.iswellknowntousall,theearthgoesaroundthesun.?theonethatoneItitoneItAs

一二9.isnowonderthathehaspassedtheexam.?10.isnoneedforyoutowaithere.?ItThere

it的用法(1)一、用于指代人以外的一切生物、无生命的东西和事情1.指代动物和植物。①Oh,it’sLucy’scat.②—Where’steagrown?—It’sgrowninthesoutheastofChina.2.指代一些无生命的东西。③Isityourwatch?3.代替上文提到过的整个事情。④Youmustn’tplayontheroad.It’sdangerous.

二、用于指代人1.指代说话者心目中不太清楚的那个人,常在打电话或敲门时用。①—Whoisthatatthedoor?—It’sthemilkman.2.指代性别不详的婴幼儿或在不计较性别时用来指代人。②Thechildsmiledwhenitsawitsmother.③Idon’tknowwhoitis.3.在回答用指示代词表示人的特殊问句时,常用it指人。④Who’sthat?IsitKate?

三、用于指时间、距离、价值、度量和自然现象等1.表示时间。①—Whattimeisit?—It’sten.②It’ssummerinAustralianow.2.表示距离。③—Where’sthefarm,LiLei?Isitfar?—No,it’squitenear.3.表示自然现象。④Sometimesitsnowsandthelandisallwhite.

四、用作形式主语,真正的主语(不定式、动词-ing形式、从句)放句尾1.It+is/was+adj./n.+(for/ofsb.)+todosth.①It’simportantforustokeepthewater