Unit4TheEarthSection1ExperiencingandunderstandinglanguageWordscloudlandWordstheEarththeSunWordstheseathesolarsystemTheEarththesunthesealandcloudsthesolarsystemhundred(百),thousand(千),million(百萬),billion(十億)①與具體數(shù)字連用不加s，如：fivehundred②與of連用加s，如：thousandsofpercent百分比①無復(fù)數(shù)形式，如：70percent②與名詞連用要加of，如：70percentofstudents事實(shí)檔案infact事實(shí)上asamatteroffact事實(shí)上TheEarththesunthesealandcloudsthesolarsystem被動(dòng)的構(gòu)成：be+動(dòng)詞的過去分詞(+by)，表示動(dòng)作的被執(zhí)行者據(jù)我們所知amaze,amazing和amazed①amaze為動(dòng)詞②amazing為形容詞，通常主語為物③amazed為形容詞，通常主語為人suchas,like和forexample①suchas和like后面節(jié)短語，如接動(dòng)詞，用動(dòng)詞ing②forexample后面接句子some...some...others一些...一些...另一些北：north南：south西：west東：east東南：southeast（先說南北再說東西）北邊的：northern東南邊的：southeastern長(zhǎng)寬高深的表達(dá)①基數(shù)詞+單位+長(zhǎng)寬高深的形容詞，如：9metersdeep②基數(shù)詞+單位+in+長(zhǎng)寬高深的名詞，如：9metersindepth長(zhǎng)寬高深形容詞longwidehighdeep名詞lengthwidthheightdepth在許多不同的方面在世界上表到達(dá)①arrive后接in或者at,in接大

地點(diǎn)，at接小地點(diǎn)②get后接to③reach后直接接地點(diǎn)as...as中間接原級(jí)一粒米behometo是...的家園hundred(百),thousand(千),million(百萬),billion(十億)①與具體數(shù)字連用不加s，如：fivehundred②與of連用加s，如：thousandsofother其他的，后接名詞；others其他人和，遵循就遠(yuǎn)原則單復(fù)同行：deer,sheep,fishfish表個(gè)數(shù)時(shí)，單復(fù)同行，表類別時(shí)可數(shù)從...到...使役動(dòng)詞：let,make,have①使役動(dòng)詞后接動(dòng)詞原形②make+形容詞，表讓...變得怎么樣名詞+ly變形容詞，形容詞加ly變副詞形容詞修飾名詞，副詞修飾動(dòng)詞和形容詞并且providesb.withsth.providesth.forsb.照顧(lookafter)隨堂練習(xí):一、用所給詞的適當(dāng)形式填空。1.Therearethree__________(hundred)studentsontheplayground.2.Thereare__________(hundred)ofpeopleintherestaurant.3.65__________(percent)ofchildren__________(play)computergames.4.Twenty__________(percent)

ofthewater_______(be)coveredwithice.5.Thedoor____________________

(open).hundredpercentiswasopenedhundredsplaypercent二.翻譯：1.他對(duì)這本有趣的書感興趣。

Heisinterestedintheinterestingbook.2.我們學(xué)校有900名學(xué)生。

Thereareninehundredstudentsinourschool.3.百分之五十的水都被湯姆喝了。Fiftypercentofthewater