人教版高中英语新课标选修7Unit3Underthesea每课一练(4).docx

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1、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯名校名推荐⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯高考Do'sandDon'tsinWhale（）WatchingTheDepartmentofFisheriesandOceanshasdevelopedguidelinesforwhalewatchinginJohnstoneStrait,wherekillerwhalesarefoundonadailybasiseachsummer.Itisstronglyrecommendedthatvessel（船只）operatorsfollowtheseguidelinesforallkindsofw

2、hales.●Approachwhalesfromtheside,notfromthefrontortheback.●Approachnocloserthan100metres,thenstoptheboatbutkeeptheengineon.●Keepnoiselevelsdown—nohorns,whistlesorracingofengines.●Startyourboatonlyafterthewhalesaremorethan100metresfromyourvessel.●Leavetheareaslowly,graduallymovingfasterwhenyouaremo

3、rethan300metresfromthewhales.●Approachandleaveslowly,avoidingsuddenchangesinspeedordirection.●Avoiddisturbinggroupsofrestingwhales.●Keepatlowspeedsandremaininthesamedirectioniftravellingsidebysidewithwhales.●Whenwhalesaretravellingclosetoshore,avoidcrowdingthemneartheshoreorcomingbetweenthewhalesa

4、ndtheshore.●Limitthetimespentwithanygroupofwhalestolessthan30minutesatatimewhenwithin100to200metresofwhales.●Ifthereismorethanonevesselatthesameobservationspot,besuretoavoidanyboatpositionthatwouldresultinsurroundingthewhales.●Worktogetherbycommunicatingwithothervessels,andmakesurethatalloperators

5、areawareofthewhalewatchingguidelines.47.Forwhomisthistextwritten?A.Tourguides.B.Whalewatchers.C.Vesseloperators.D.Governmentofficials.48.Whenleavingtheobservationareas,thevesselshould__________.A.moveclosetothebeachB.increasespeedgraduallyC.keepitsenginerunningslowlyD.remainatthebackofthewhales49.

6、Whengoingsidebysidewithwhales,thevesselshould__________.A.keepmovinginthesamedirectionB.surroundthewhaleswithotherboatsC.travelcloserandclosertotheshoreD.takeagoodviewingposition50.Whatistheshortestsafedistancefromthewhales?A.400metres.B.300metres.C.200metres.D.100metres.47.C理解。由第一段最后一句“Itisstrong

7、lyrecommendedthat⋯allkindsofwhales.”可知文章是船只撰写的。48.B理解。根据第五条准可知，船只离开看区域，要逐地加速。49.A理解。由第八条准可知，与并排前行，船只与之保持相同的方向。50.D推理判断。准二、四、十中分提到离不要少于100米，离开超100米后再开船，以及离100到200米的距离，由此可推断离最近的安全距离是1001⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯名校名推荐