第12练阅读＋七选五＋短文改错＋书面表达Ⅰ.阅读理解A体裁：说明文话题：海洋生物词数：365时间：7′Therearemanydangerousseacreaturesintheworld.Thefollowingaresomeexamples.Theneedlefisharecommonlyseenlivingnearthesurfaceoftropical(热带的)waters.Buttheycanalsobreak__coverthewater，andonceintheairtheycanbecomedangerousflyingswords.Thoughitisrare，peoplehavebeenseriouslyhurtandevenkilledwhenstabbedbythefish'ssharpandlongjaws(下巴)．Nightfishermeninsmallboatsareatparticularriskbecausetheirlightsmayattractthefish.Saltwatercrocodilesaretheworld'slargestcrocodiles，sometimesreaching23feetinlengthandtopping2，200pounds.Yetthesecrocodileshuntquietly，lyinginwaitbelowshorelinewaterstoattackcrabs，turtlesandthirstyanimalsthathavecometodrink.Saltwatercrocodileskillanumberofpeopleeachyear.Thereisnodoubtthatthegreatwhitesharksitsatoptheoceanfoodchain.Theworld'slargestfishcanweighatover5，000poundsandreachlengthsofmorethan20feet.Greatwhitesharkshaveabout3，000teeth，whichtheytypicallysinkintosealions，seals，smalltoothedwhales，andseaturtles.Thesesharksareresponsibleforathirdtoahalfofthe100sharkattacksonhumanseveryyear.Theseaanemone(海葵)maylooklikethebeautifulflowerforwhichit'snamed，butfishthatswimtooclosemayregretit.Theseaanemone，whichlivesontheseafloor，usesitspoisonoustentacles(触须)tostabpassingcreatureswithakindofpoison—makingthemhelplessandfittobeeaten.Thesurgeonfish(刺尾鱼)isanattractivereeffishthatispoisonous.Scientistsbelievethattheworld'sseasholdsome1，200differentsurgeonfishspeciesandthinkthattheyinjureabout50，000peopleperyear.Butthesurgeonfishpoisoncanalsobringgreatbenefit—theyareusefulinthedevelopmentofnewdrugs.【语篇解读】本文介绍了5种危险的海洋生物。1．Theunderlinedphrase“breakcover”inParagraph2probablymeans________．A．jumpoutofB．breakawayfromC．getawayfromD．gobackto答案A[词义猜测题。根据后文“onceintheair”可知，needlefish在空中的时候会变成危险的飞剑，由此可以猜测画线短语的意思应该是“跳出(离)”之意。]2．Howmanyattacksonhumansdogreatwhitesharksdoeveryyear?A．About26.B．About45.C．About60.D．About75.答案B[细节理解题。根据第四段“Thesesharksareresponsibleforathirdtoahalfofthe100sharkattacksonhumanseveryyear.