滬教版七年級(jí)英語(yǔ)上冊(cè)Unit4TheEarth知識(shí)點(diǎn)預(yù)習(xí)一、根據(jù)音標(biāo)及中文提示寫單詞1./?s?st?m/__________（系統(tǒng)）2./fa?l/__________（檔案）3./??me?z??/__________（令人大為驚奇的）4./?pl?n?t/__________（行星）5./?b?lj?n/__________（十億）6./?k?v?(r)/__________（蓋；覆蓋）7./?e?ri?/__________（地區(qū)；地域）8./?fri?z??/__________（極冷的）9./n??θ/__________（北；北方）10./p??l/__________（（行星的）極；地極）11./?dez?t/__________（沙漠；荒漠）12./?mi?t?(r)/__________（米）13./ri?t?/__________（足夠達(dá)到）14./ɡre?n/__________（谷粒）15./wa?d/__________（寬的；寬闊的）16./we?l/__________（鯨）17./?b?t?fla?/__________（蝴蝶）18./pr??va?d/__________（提供；供應(yīng)）19./?k?spl??(r)/__________（探索）20./?d?s??p??(r)/__________（消失；不見）二、詞性轉(zhuǎn)換1.system（名詞：系統(tǒng)）→__________（形容詞：系統(tǒng)的）2.amazing（形容詞：令人驚奇的）→__________（動(dòng)詞：使驚奇）3.cover（動(dòng)詞：覆蓋）→__________（名詞：封面）4.freeze（動(dòng)詞：結(jié)冰）→__________（形容詞：極冷的）5.wide（形容詞：寬的）→__________（副詞：廣泛地）6.provide（動(dòng)詞：提供）→__________（名詞：提供）三、短語(yǔ)填空1.太陽(yáng)系solar__________2.事實(shí)檔案fact__________3.被……覆蓋becovered__________4.據(jù)我們所知asfaraswe__________5.海平面sea__________6.更重要的是what’s__________7.提供；供應(yīng)provide…__________…8.塑料污染plastic__________9.砍倒cut__________四、根據(jù)中文完成句子（20分）1.太陽(yáng)系有八大行星。Thereareeightplanetsinthe____________________.2.這份事實(shí)檔案包含了很多有用信息。This____________________containsalotofusefulinformation.3.大地被雪覆蓋。Thegroundiscovered__________snow.4.據(jù)我們所知，他是一個(gè)誠(chéng)實(shí)的人。Asfaraswe__________,heisanhonestman.5.全球海平面正在上升。Theglobal____________________isrising.6.更重要的是，我們要保護(hù)環(huán)境。What’s__________,weshouldprotecttheenvironment.7.樹木為我們提供氧氣。Treesprovideoxygen__________us.8.塑料污染對(duì)海洋生物有害。Plastic__________isharmfultomarinelife.9.我們不應(yīng)該砍倒太多樹木。Weshouldn’tcut__________toomanytrees.10.一些物種正在消失，我們需要保護(hù)它們。Somespeciesare__________,andweneedtoprotectthem.五、單項(xiàng)選擇1.—What’sthenameofourplanet?—__________.A.TheMoonB.TheEarthC.TheSunD.Mars2.The__________showsthattheclimateischanging.A.systemB.fileC.planetD.factfile3.Theforest__________alargeareaofthemountain.A.coversB.reachesC.providesD.disappears4.It’s__________inwinterinHarbin.A.freezingB.wideC.amazingD.deep5.—How__________istheriver?—It’sabout10meterswide.A.longB.wideC.deepD.high6.Thecompanywill__________freelunchesfortheworkers.A.provideB.coverC.reachD.disappear7.Weshoulddosomethingtopreventthespeciesfrom__________.A.coveringB.disappearingC.providingD.reaching8.Asfarasweknow,the__________oftheEarthisabout4600millionyears.A.systemB.fileC.ageD.factfile9.Cuttingdowntoomanytreeswilldamagethe__________.A.systemB.fileC.planetD.factfile10.—WhatcanwedotoprotecttheEarth?—Wecanreduceplastic__________.A.systemB.pollutionC.fileD.planet六、短文填空（選用合適單詞的正確形式填空）（system,file,amazing,planet,billion,cover,area,freezing,north,pole,desert,metre,reach,wide,whale,butterfly,provide,explore,disappear,pollution,cutdown）Our__________,theEarth,isabeautifuland__________place.Itispartofthesolar__________.TheEarthhasahistoryofabout4.6__________years.TheEarth__________alarge__________.Therearedifferentclimatesindifferentregions.It’s__________inthe__________inwinter.Thereare__________and__________intheoceansandforests.Weneedto__________andprotectourEarth.However,__________isaseriousproblem.Weshouldstop__________toomanytrees.Also,weshouldreduceplastic__________.Scientistsaretryingto__________moreabouttheEarth.Theyhopetofindwaystomakeourplanetbetter.WeshouldalldoourparttoprotecttheEarthsothatspecieswon’t__________andtheEarth’secosystemwillbebalanced.答案一、根據(jù)音標(biāo)及中文提示寫單詞1.system2.file3.amazing4.planet5.billion6.cover7.area8.freezing9.north10.pole11.desert12.metre13.reach14.grain15.wide16.whale17.butterfly18.provide19.explore20.disappear二、詞性轉(zhuǎn)換1.systematic2.amaze3.cover4.freezing5.widely6.provision三、短語(yǔ)填空1.system2.file3.by4.know5.level6.more7.with8.pollution9.down四、根據(jù)中文完成句子1.solarsystem2.factfile3.by4.know5.sealevel6.more7.for8.pollution9.down10.disappe