版高中英语人教版选修七学案Unit 3 Period One Warming UpPrereadingReading.docx

版高中英语人教版选修七学案Unit 3 Period One Warming UpPrereadingReading.docx

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版高中英语人教版选修七学案Unit3PeriodOneWarmingUpPrereadingReading

“Thenoisemadebyboatsofwhalewatchingtouristsmaybecausingcommunicationproblemsfortheanimals，”Britishresearcherssaidlastweek.

Whalewatchingisapopulartouristactivityinplaceswheregroupsofkillerwhaleslive.Everyday，dozensofboatsfilledwithtouristsgotowatchthebeautifulanimals.Unfortunately，theenginesoftheboatsmakealotofnoise，andthatmaybecausingproblemsforthewhales，accordingtoareportintheUSsciencemagazineNature.

Thewhalestravelingroups，andcommunicatewitheachotherthroughsonic（声波的）callsthatsomescientistsrefertoassinging.Thesoundsoftheboatenginesmaybecreatingtoomuchbackgroundnoiseforthewhalestobeabletoheareachother.

Theresearcherslistenedtorecordingsofwhalecallsmadebetween15and25yearsago，beforewhalewatchingbecamepopular.Thesewerecomparedtomorerecentrecordings.

Theyfoundthattheanimalshavestartedtosingforlongerthantheyusedto，likeapersonshoutingtoafriendacrossanoisyroom.

Itisbelievedthatthewhalesaretryingtocommunicatehuntingorbreedinginformation.Scientistssaidthat，ifthisisprevented，thefutureoftheworld’swhalepopulationcouldbeindanger，sincethenoisemaybedrowningoutimportantcommunicationaboutmates（配偶）orfood.

“Animalsbecomeslowinmindandrepeatthemselvesinnoisyareas，”saidVolkerDeecke，aCanadianbiologist.“Theyhavetosaythingstwiceorthreetimesinordertobeunderstood.”

ThekillerwhalesstudiedwerelivingoffthecoastofnorthwesternAmerica.Thenumberofkillerwhalesinthisareahasbeenfallingforseveralyears，butscientistsarenotsurewhy.

根据上文完成下列各题

1．Whatdoestheword“breeding”meanaccordingtothecontext?

Itmeans“”．

2．Whatdoesthepassagemainlytellus?

Thepassagemainlytellsus.

3．Whydowhalessing?

PeriodOne　WarmingUp，Prereading&Reading

Ⅰ.重点单词

1．adj.每年的；按年度计算的；n.年刊；年鉴

adv.每年；按年度计算

2．vt.当场见到；目击；n.目击者；证人；证据

3．n．住所；住宿

v．容纳；向……提供住处

4．prep.在……对面；adj.相对的；相反的

5．vi.&n．暂停；中止

6．vi.逃避；逃跑；vt.逃离

7．vt.拖；拉；扯

8．n．深（度）；深处

adj.深的；adv.深地

adv.深深地

9．vt.催促；极力主张；驱策

10．vt.放弃；遗弃；抛弃

adj.被抛弃的

11．n．关系；血缘关系；交往

n．关系；亲戚

12．n．保存；保护

Ⅱ.重点短语

1．整理；分类

2．及时

3．瞄准；针对

4．在此期间；与此同时

5．举起；支撑；耽搁

6．帮助（某人）摆脱困境或危难

Ⅲ.重点句式

1．beabouttodosth.

Thiswasthecallthatannouncedthere.

这是宣告捕鲸行动马上就要开始的呼声。

2．see＋宾语＋宾补

Aswedrewcloser，Icouldseeawhale（attack）byapackofaboutsixotherkillers.

当我们靠的近些时，我能看到一条鲸鱼正在被其他大约六条虎鲸袭击。

3．stopsb./sth.（from）doingsth.；现在分词作伴随状语

“...Andthoseothersarestoppingit（dive）or（flee）outtosea，”Georgetoldme，（point）towardsthehunt.

“……而其他那些虎鲸则阻止它潜水或逃跑，”乔治一边指着捕猎的情景，一边告诉我。

4．现在分词短语作原因状语

，thewhalesoondied.

因为严重受伤，鲸鱼很快就死了。

Ⅰ.根据课文内容给下面句子排序

（　　）Usingatelescopewecouldseethatsomethingwashappening.

（　　）Thekillersstartedracingbetweenourboatandthewhale.

（　　）Clancyarrivedatthestation.

（　　）Themenstartedturningtheboataroundtogohome.

（　　）Clancyheardahugenoisecomingfromthebay.

（　　）Thewhaleryelledout.

（　　）Wejumpedintotheboatwiththeotherwhalersandheadedoutintothebay.

（　　）Themaninthebowoftheboataimedtheharpoonatthewhale.

Ⅱ.课文阅读理解

1．Accordingtothetext，whichofthefollowingisTRUE?

A．Theyrandowntotheshoreandfoundanenormousfishthrowingitselfoutofthewater.

B．Tomcouldn’ttellwhalerswhenhefoundawhale.

C．Georgewasapatientperson.

D．GeorgecouldbeatthewaterwithhisoartocallOldTom.

2．Accordingtothetext，whichofthefollowingisNOTtrue?

A．ThekillerslikeOldTomarefierceyetalwaysreadytohelpthewhalers.

B．Thewriterdidn’tbelievethekillerscouldhelpthewhalerscatchwhalesbeforeworkingatthewhalingstation.

C．Thewhalersleftthebodyofthewhaleeatenupbythekillers.

D．Itwashardtohandletheboatintheroughsea.

3．WhydidGeorgebeatthewaterwithhisoar?

A．Tofrightenthewhalesaway.

B．TocallbackOldTomtoleadtheway.

C．Toattracttheattentionofhugewhales.

D．Tosendsignalstootherwhales.

4．Whydidthemenstartturningtheboataroundtogohomeafterthewhaledied?

A．Becausetheydidn’tneedadeadwhale.

B．Becausetheycouldn’tfindthewhale’sbody.

C．Becausetheyknewthatthedeadwhalewouldn’tfloatuptothesurfaceforaround24hours.

D．Theyhadtodothisbecauseitwastoolate.

5．Whatdoestheword“it”inthesentence“Heletitgoandtheharpoonhitthespot.”referto?

A．Thewhale.B．Theboat.

C．Theharpoon.D．Thekiller.

6．Accordingtothetext，thekillerwhalescanprotectmenfrombeingattackedby.

A．whalesB．tigersC．enemiesD．sharks

Ⅲ.课文阅读填空

Beforethehunt

Thekillerwhalethrewitselfoutofthe1.andthen2.downagain.

Itswambythe3.，showingthewhalerstheway.

Duringthehunt

Thekillerswerewor