unit 4 astronomy the science of the stars导学案

《unit 4 astronomy the science of the stars导学案》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、课堂导学基础巩固　　一、词汇详解1.Itexplodedloudlywithfireandrock,whichwereintimetoproducethewatervapor,carbondioxide,oxygen,nitrogenandothergases,...它（地球）巨大的爆炸喷出了烈火与岩石，最终产生了水蒸气、二氧化碳、氧、氮和其他多种气体，……要点提示:intime来得及;总有一天，迟早典型例句:Iwasjustintimefortheflight.我刚好来得及赶上那班飞机。Iwillseehimintime

2、.总有一天我会遇见他。相关链接:与time相关的短语innotime立即，立刻　atanytime在任何时候atonetime曾经，一度attimes有时，偶尔ontime按时，准时ofthetime现在的，当时的例如：Ijumpintotheriverinnotime.我立即跳入河中。Youmayusemywatchatanytime.你可以随时用我的手表。[来源:www.shulihua.netwww.shulihua.net]Atonetimetherewerenotsomanycarsonthestreets

3、.从前街上没有这么多车子。AttimesIgototheplaygroundtoplayfootball.我有时到操场踢足球。Theguestreachedthehallontime.客人准时到达大厅。Ithinkheisthegreatestmusicianofthetime.我想他是当代最伟大的音乐家。应用探究短语填空intime　ontime　innotime　atonetime　attimes　atanytime(1)—Whyareyouinahurrytoleavehere?—Gethome______tob

4、athethechildren.(2)Thesebusesarenever______andthepassengersarealwayscomplaining.(3)Iamaway,pleasecallme______ifsomeonecometoseeme.(4)Youcan’timaginethislakeusedtobeabeautifulplaceinourprovince______.(5)Herushedoutofthekitchen______whenheheardtheshout.(6)______Isits

5、ilentlyandwonderifthiskindofjobisworthalltheeffort.答案：(1)intime　(2)ontime　(3)atanytime(4)atonetime　(5)innotime　(6)Attimes赠言（1）Truefriendshiplastsforever.（2）Withatruefriend,theworldisbutalittleplaceafterall.2.Itallowedtheearthtodissolveharmfulgases,whichhadbecomeparto

6、ftheearth’satmosphere,intotheoceansandseas.它使地球把曾经存在于大气层中的有害气体溶解在海洋里。要点提示:allow动词有下列用法:allowsb.sth.同意给某人某物;allowsb.todosth.允许某人做某事;allowdoingsth.允许做某事，与permit在很多情况下可以通用。其他动词advise，forbid也有类似用法。典型例句:Thereadingroomdoesn’tallowsmoking.阅览室不准吸烟。Peoplearenotallowedtos

7、pitinpublic.不许当众吐痰。相关链接:permit,allow的不同用法:(1)allow可以和副词连用，permit则不能。如:Marywouldn’tallowmein.玛丽不让我进去。(2)表示客气的请求时，主语是you应当用permit，以表示下级对上级，幼辈对长辈，低层对高层人尊敬的请求。若主语用I，则应当用allow的被动形式。如:MayIbeallowedtousethisknife?=Willyoupermitmetousethisknife?我可以用你的刀子吗？翻译(1)Thegirl’sparen

8、tsareverystrictandtheydon’tallowthegirltostayoutbeyondmidnight._______________________________________________