必修2unit4词汇自选练习

Dinosaursdiedoutbecauseofanunexpectedincident.Butwildlifetodaydisappearsorisindangerjustbecausehumansdoharmtoit.Forexample,tigersarehuntedforfurtomakecarpetssothattheycanonlyliveinsecurereserves;grasslandisdestroyedwithoutmercysothatduststormscomeintobeingaffectingdistantcities.Lastyear,scientistssawsomemonkeysrubbingthemselveswithacertainkindofinsectstoprotectthemselvesfromfiercemosquitoesbiting.Accordingtotheresultoftheinspection,theyfoundthattheinsectcontainsapowerfuldrug,solocalfarmerswereemployedtocatchtheinsects.Theendingwasthattheinsectsdisappearedfromthewholezone.Whentoldthatitwasalosstohumans,thefarmersburstintolaughterandresponded,“Ourreallossisourdecreasingincome.”Weshouldappreciatethenaturalbalanceandpaymoreattentiontotheimportanceofwildlifeprotection.Notuntilwesucceedinlettingwildlifeliveinpeace,canwesmileinrelief.恐龙因一次意外事件而灭绝，但是今天的野生动植物却是因为人类的伤害而消失或处在危险中。例如，老虎被猎杀以获取做地毯的皮毛，以致它们只能生活在安全的保护区里；草地被毫不怜悯地破坏，以致沙尘暴开始影响遥远的城市。去年，科学家观察到猴子在身上擦某种昆虫来保护自己不受凶猛的蚊子的叮咬。根据检查的结果，他们发现这种昆虫含有一种具有强大效力的药物，于是，当地的农民都被雇来抓虫子。结果是，这种昆虫从这整个地区都消失了。当被告知说这是整个人类的损失时，农民们都突然大笑着回应道：“我们减少的收入才是我们真正的损失呢！”我们应该意识到自然平衡的重要，更加注意野生动植物的保护。直到我们成功让野生动植物安详平静地生活，我们自己才能如释重负地笑开颜。Unit4Wildlifeprotection一、请根据各句上下文的意义，选择正确的单词填入空白处。第一组：protection,decrease,reserve,distant,mercy,importance,mosquito,

zone,insect,

carpet,contain,

respond,affect1WolongNature________,SichuanProvinceisonehometopandas.2Sunglassescanbea_________toyoureyesagainst thestrongsunlightonhotsummerdays.3ShenzhenSpecialEconomic_________wasfoundedin1980.4_________aresmallcreatures withsixlegsandabodydividedintothreeparts.5SexandviolenceinTVplays__________thedevelopmentofachild.6Freshfruitandvegetables________plentifulVitaminC.7Whynothanga________netoverabedtokeepthemawayfromyou8Thenumberofthewildlifeis_________asaresultofbeinghuntedthesedays.9Sincethereformandopeningtotheoutsideworldpeoplehaverealizedthe__________oflearningaforeignlanguage.10Thetrain pulled outandsoondisappeared inthe_________.11Weshouldnevershow__________toourenemies.12Iwroteherafewletters butshedidn’t__________tothem.13The_________weboughtyesterday wasgoodquality andcheapaswell.一 第一组：1Reserve2protection3Zone4Insects5affect6contain7mosquito8 decreasing9 importance10 distance11 mercy12 respond13 carpet第二组：appreciate,succeed,secure,income,employ,bite,harm,inspect,incident,fierce,dinosaur,ending14Peoplesaythatbarkingdogsdon ’t________.15Atiger isavery_________kindofanimal. However,it won’tattackyouifyoudon ’t.16I_________it if youcanteachmehowtoplaycomputergames.17Ifind itso hardtosupport afamilyof three onsuchalow_________.18Obama__________GeorgeWBushasPresidentoftheUSasofJanuary20,2009.19Readingindimlightdoesgreat__________toyoureyes.20Scientistsdon ’tknowforsurewhy__________diedoutsuddenly65millionyearsago.21Therewasashooting _________nearmyapartmentlast night.22Thenovelgaveitsreadersanunexpected__________.23Thepolicehadto__________forcetoenterthebuildingwherethehostagewaskidnapped.24Informationmustbestoredsothatitis_________fromaccidentaldeletion( 删除).25All the milk mustbe_________to seeif there existsmelamine(三聚氰胺).第二组：14bite15fierce16appreciate17income18succeeded19harm20dinosaurs21incident22ending23employ24secure25inspected二、把下列短语填入每个句子的空白处 （注意所填短语的形式变化）：dieout

inpeace

indanger(of)

burstintolau ghter protect ⋯from

payattentionto comeintobeing accordingto1Thenewcountry_________onlytwoyearsago.2Atthestoryeveryone__________.3Thegovernmentisdoingits bestto_______thoserareanimals_______beinghunted.4Ihadwa

rnedhimofthepossibledanger,buthedidn

’t_______it.5Elephantswould_________if menareallowedtoshootasmanyastheywished.6Children ’slivesare_________everytimetheycrosstheroad.7Thetwocommun