必修2unit4詞匯自選練習(xí)

必修2unit4詞匯自選練習(xí)必修2unit4詞匯自選練習(xí)必修2unit4詞匯自選練習(xí)必修2unit4詞匯自選練習(xí)編制僅供參考審核批準(zhǔn)生效日期地址：電話：傳真:郵編:9.保護(hù)野生動(dòng)植物 WildlifeProtectionDinosaursdiedoutbecauseofanunexpectedincident.Butwildlifetodaydisappearsorisindangerjustbecausehumansdoharmtoit.Forexample,tigersarehuntedforfurtomakecarpetssothattheycanonlyliveinsecurereserves;grasslandisdestroyedwithoutmercysothatduststormscomeintobeingaffectingdistantcities. Lastyear,scientistssawsomemonkeysrubbingthemselveswithacertainkindofinsectstoprotectthemselvesfromfiercemosquitoesbiting.Accordingtotheresultoftheinspection,theyfoundthattheinsectcontainsapowerfuldrug,solocalfarmerswereemployedtocatchtheinsects.Theendingwasthattheinsectsdisappearedfromthewholezone.Whentoldthatitwasalosstohumans,thefarmersburstintolaughterandresponded,“Ourreallossisourdecreasingincome.” Weshouldappreciatethenaturalbalanceandpaymoreattentiontotheimportanceofwildlifeprotection.Notuntilwesucceedinlettingwildlifeliveinpeace,canwesmileinrelief. 恐龍因一次意外事件而滅絕，但是今天的野生動(dòng)植物卻是因?yàn)槿祟惖膫ΧЩ蛱幵谖ｋU(xiǎn)中。例如，老虎被獵殺以獲取做地毯的皮毛，以致它們只能生活在安全的保護(hù)區(qū)里；草地被毫不憐憫地破壞，以致沙塵暴開(kāi)始影響遙遠(yuǎn)的城市。 去年，科學(xué)家觀察到猴子在身上擦某種昆蟲(chóng)來(lái)保護(hù)自己不受兇猛的蚊子的叮咬。根據(jù)檢查的結(jié)果，他們發(fā)現(xiàn)這種昆蟲(chóng)含有一種具有強(qiáng)大效力的藥物，于是，當(dāng)?shù)氐霓r(nóng)民都被雇來(lái)抓蟲(chóng)子。結(jié)果是，這種昆蟲(chóng)從這整個(gè)地區(qū)都消失了。當(dāng)被告知說(shuō)這是整個(gè)人類的損失時(shí)，農(nóng)民們都突然大笑著回應(yīng)道：“我們減少的收入才是我們真正的損失呢！” 我們應(yīng)該意識(shí)到自然平衡的重要，更加注意野生動(dòng)植物的保護(hù)。直到我們成功讓野生動(dòng)植物安詳平靜地生活，我們自己才能如釋重負(fù)地笑開(kāi)顏。Unit4Wildlifeprotection一、請(qǐng)根據(jù)各句上下文的意義，選擇正確的單詞填入空白處。第一組：protection,decrease,reserve,zone,carpet,respond,distant,mercy,importance,mosquito,insect,contain,affect1WolongNature________,SichuanProvinceisonehometopandas.2Sunglassescanbea_________toyoureyesagainstthestrongsunlightonhotsummerdays.3ShenzhenSpecialEconomic_________wasfoundedin1980.4_________aresmallcreatureswithsixlegsandabodydividedintothreeparts.5SexandviolenceinTVplays__________thedevelopmentofachild.6Freshfruitandvegetables________plentifulVitaminC.7Whynothanga________netoverabedtokeepthemawayfromyou8Thenumberofthewildlifeis_________asaresultofbeinghuntedthesedays.9Sincethereformandopeningtotheoutsideworldpeoplehaverealizedthe__________oflearningaforeignlanguage.10Thetrainpulledoutandsoondisappearedinthe_________.11Weshouldnevershow__________toourenemies.12Iwroteherafewlettersbutshedidn’t__________tothem.13The_________weboughtyesterdaywasgoodqualityandcheapaswell.一第一組：1Reserve2protection3Zone4Insects5affect6contain7mosquito8decreasing9importance10distance11mercy12respond13carpet第二組：appreciate,succeed,secure,income,employ,bite,harm,inspect,incident,fierce,dinosaur,ending14Peoplesaythatbarkingdogsdon’t________.15Atigerisavery_________kindofanimal.However,itwon’tattackyouifyoudon’t.16I_________itifyoucanteachmehowtoplaycomputergames.17Ifinditsohardtosupportafamilyofthreeonsuchalow_________.18Obama__________GeorgeWBushasPresidentoftheUSasofJanuary20,2009.19Readingindimlightdoesgreat__________toyoureyes.20Scientistsdon’tknowforsurewhy__________diedoutsuddenly65millionyearsago.21Therewasashooting_________nearmyapartmentlastnight.22Thenovelgaveitsreadersanunexpected__________.23Thepolicehadto__________forcetoenterthebuildingwherethehostagewaskidnapped.24Informationmustbestoredsothatitis_________fromaccidentaldeletion(刪除).25Allthemilkmustbe_________toseeifthereexistsmelamine(三聚氰胺).第二組：14bite15fierce16appreciate17income18succeeded19harm20dinosaurs21incident22ending23employ24secure25inspected二、把下列短語(yǔ)填入每個(gè)句子的空白處（注意所填短語(yǔ)的形式變化）：dieoutinpeaceindanger(of)burstintolaughterprotect…frompayattentiontocomeintobeingaccordingto1Thenewcountry_________onlytwoyearsago.2Atthestoryeveryone__________.3Thegovernmentisdoingitsbestto_______thoserareanimals_______beinghunted.4Ihadwarnedhimofthepossibledanger,buthedidn’t_______it.5Elephantswould_________ifmenareallowedtoshootasmanyastheywished.6Children’slivesare_________everytimetheycrosstheroad.7Thet