重庆市梁平实验中学高中英语 Unit2 Language points课件 重庆大学版必修3.ppt

1.heclimbedtothetopofthetree,atetheapples,tookanapintheshade.他爬到树上，吃苹果，然后在树荫下打盹。,nap打盹，原意是“猫睡，像猫一样短时间地小睡”。1)v.打盹howdoigetmybabytonaplonger?2)n打盹numerousstudiesshowthattodaysworkersneedamiddaynap.,3)takeanap打盹theytooka30-minutenapaftercompletingthesecondtask.,(2)intheshade在树荫下。当表达“在光线下或阴影下等”的意思时更常用介词in。如：inthesun(light)（在阳光下)inthedark(ness)（在黑暗中)inthedaylight（在白天）等。,【辨析】shadeshadow1)shade多与the连用，作不可数名词如：hesleptintheshadeofthetrees.有时可加不定冠词。如：whatapleasantshadethesetreesgiveus!2)shadow意为“影子，阴影（可数，不可数）”。,如：1)thetreeisthrowingashadowontheground.2)weareintheshadowofthatbuilding.谈“树荫”时，两个词都可以用。如1)hesleptintheshadeofthetrees.2)andagaintheywatchedthewaveringshadowsofthetree.,2.timewentby,andthelittleboygrewupandnolongerplayedaroundthetreeeveryday.时光流逝，小男孩长大了，他不再每天围着大树玩儿了。not.anylonger不与be动词连用。如：他不再生病了。可表达为：heisnolongerill不可表达为：heisnotillanylonger,3.butyoucanpickalltheapplesandsellthem但是你可以摘下所有的苹果，拿去卖了。pick(v.)的用法：(1)采，摘（花果、果实等）itstimetopackforourholiday!pickapplesfromthetree,please.,(2)挑选，也可用pickout。pick(out)andchoosewordsandphrasesfromamongthemtobuildyourownparagraphs.studentswereaskedtopick(out)onefromthethree,creatingthreesentences.,【辨析】choose,pickout&select1)choose指在所提供的对象中，凭个人的判断力进行选择，较常用。如：youarefreetochoosehowyouaregoingtodie.2)pickout指按照个人的喜好或希望进行挑选。比较通俗、随意，多用于有形的东西（人或物）。haveyoupickedoutyournewbike?,3)select指仔细、认真地选择，有“精选”的含义。hesearchedinhisdrawerandatlastselectedthecheapestoneforme.picksizes,colorsandstylesofletters,andselectpicturestomatchyourtext.,4.weneedahouseforshelter.我们需要房子住。shelter的用法：(1)n(c)遮蔽物；庇护物；避难所abusshelter公共汽车候车亭anair-raidshelter防空洞ouranimalshelterandkennelshavebeeninthislocationforover30years.,(2)n(u)遮蔽；庇护1)takeshelterfrom躲避decidingwhentotakeshelterfromhissightisimportant.2)getundershelter获得保护掩护afterhisgettingundershelterhegotinterestedintheactivitiesintheshelterprogram.,(3)v.庇护；掩护1)sheltersth.庇护itsourwishtohavemillionsofbuildingsbuilttosheltertheworld.2)sheltersth.fromsth.保护免遭beforemarriage,menalwaystrytosheltertheirshortcomingsfromtheirgirlfriends.,5.butyoucanchopoffmybranchestobuildyourhouse.但你可以砍下我的树枝来建房子。,off是副词，表示（空间或时间的距离）“离去；移开等”。如：fivemilesoff五英里以外faroff遥远cutoff砍掉takeadayoff请一天的假(离开一天)gooff离开,6.iwanttogosailingtorelax.我想去航海，让自己放松一下。gosailing，“去航海”，现在分词sailing作状语。其他的godoing的用法如下：“go+v.+ing”表示“去干某事（多指从事某种活动）”,绝大部分是表示从事运动、消遣或娱乐活动。,gohunting去狩猎gojogging去慢跑gowindowshopping去逛街goriding去骑马gomountainclimbing去登山,【注意】1)goshopping只表示“去买东西”，如果指明去买什么东西，go之后要用不定式。letsgotobuymeatandwine.2)若是意义上有需要，也可用“come+v.+ing”表示类似的含义。comefishingwithustomorrow,willyou?,7.hewentsailinganddidntshowupagainforalongtime.他去航海了，好长时间都没有露面。showup的用法:(1)出现youknowjeffdidntleave-hejustdidntshowup.,(2)揭穿；揭露thedishonestdealingwasshownupinyesterdayspaper.wedidalottoshowhispastup.(3)显露；露出themarkshowsuponlyinthestrongsunlight,【归纳】show的常用短语：showonesface露脸showoff炫耀showsb.around带领某人参观某处showsb.in带某人进来showsb.out带某人出去showonesteeth发怒,sho