版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進(jìn)行舉報或認(rèn)領(lǐng)
文檔簡介
1、Passage1EveryonehasheardoftheSanreasfault(斷層)whichconstantlythreatensCalifniatheWestCoastwithearthquakes.ButhowmanypeopleknowabouttheequallyseriousNewMadridfaultinMissouriBetweenDecemberof1811Februaryof1812threemajearthq
2、uakesoccurredallcenteredaroundthetownofNewMadridMissouriontheMississippiRiver.Propertydamagewassevere.Buildingsintheareawerealmostdestroyed.Wholefestsfellatoncehugecracksopenedinthegroundallowingsmellofsulfur(硫磺)tofilter
3、upward.TheMississippiRiveritselfcompletelychangedacterdevelopingsuddenrapidswhirlpools.Severaltimesitchangeditscourseonceaccdingtosomeobserversitactuallyappearedtorunbackwards.FewpeoplewerekilledintheNewMaridearthquakesp
4、robablysimplybecausefewpeoplelivedintheareain1811buttheseverityoftheearthquakesareshownbythefactthattheshockwavesrangbellsinchurchtowersinlestonSouthCarolinaonthecoast.BuildingsshookinNewYkCityclockswerstoppedinWashingto
5、nD.C.ScientistsnowknowthatAmericastwomajfaultsareessentiallydifferent.TheSanreasisahizontalboundarybetweentwomajlmassesthatareslowlymovinginoppositedirections.Califniaearthquakesresultwhenthemovementofthesetwomassessudde
6、nlylurches(傾斜)fward.TheNewMadridfaultontheotherhisaverticalfaultatsomepointspossiblyhundredsofmillionsofyearsagorockwaspusheduptowardthesurfaceprobablybyvolcanoesunderthesurface.Suddenlythevolcanoescooledtherockcollapsed
7、leavinghugecracks.Evennowtherockcontinuestosettledownwardssuddensinkingmotionstrigger(觸發(fā))earthquakesintheregion.ThefaultitselfalargecrackinthislayerofrockwithdozensofothercracksthatsplitofffromitextendsfromntheastArkansa
8、sthroughMissouriintosouthernlllinois.ScientistswhohavestudiedtheNewMadridfaultsaytherehavebeennumeroussmallerquakesintheareasince1811thesesmallerquakesindicatethatlargeronesareprobablycomingbutthescientistssayhavenometho
9、dofpredictingwhenalargeearthquakewilloccur.1.ThispassageismainlyaboutC.A.theNewMadridfaultinMissouriB.thecausesoffaultsC.theSanreastheNewMadridfaultsD.currentscientificknowledgeaboutfault2.TheNewMadridfaultisA.havingthep
10、aymentsfcottongiventothemininstallments(分期付款).ThelastpaymentwouldbemadeafterproofthatthepeasanthasplantedbefethedeadlinethedatebeingadvancedtotheendofJune.Thosewhohavedonesowouldreceiveextramoneywhereasthelastplanterswou
11、ldnotreceivetheirlastpaymentuntillater.Onlythefirststepsarehardbecauseoncewkhasstartedthepeasantscontinuewillinglyontheirway.Educationalcampaignsamongthepeasantswillplayanessentialroleinthisbasicadvanceearlysowingonwhich
12、alltheothersdepend.Itisnotamatterofcontrollingthepeasants.Eachpeasantwillremainmasterofhisfields.Onecouldhoweversuggesttheneedfthetimebeingofkindbutfirmrulewhichaslongasitcannotberealizedbythepeopleshouldatleastbefthepeo
13、ple.6.In19601961ChadhadagoodharvestofcottonbecauseC.A.thegovernmentgreatlyencouragedpeasantsB.rainsfavedthegrowthofcottonC.BothA)B)D.Chadgainedindependenceinthepreviousyear7.Welearnfromthepassagethatthedateofsowingcotton
14、isusuallyB.A.onJune15thB.onJuly1stC.onJuly15thD.onJuly20th8.AsusedinthethirdsentenceofthesecondparagraphdailybreadreferstoC.A.breakfastB.breadbutterC.milletD.rice9.Indertohelpthemthroughthedifficulttimebetweenharveststhe
15、peasantshavetoA.A.beencouragedtosavemoneyB.sellcottoninadvanceC.sowcottonintimeD.plantmilletfirst10.WhichofthefollowingisNOTtrueCA.Educationalcampaignsareveryimptanttoearlysowing.B.Peasantsshouldremainthemastersoftheirfi
溫馨提示
- 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
- 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
- 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
- 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
- 5. 眾賞文庫僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負(fù)責(zé)。
- 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請與我們聯(lián)系,我們立即糾正。
- 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時也不承擔(dān)用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。
最新文檔
- 翻譯閱讀作業(yè)答案
- 《雪地尋蹤》閱讀作業(yè)答案
- 高考語文一輪復(fù)習(xí)散文閱讀作業(yè)含答案
- 76166.高中語文閱讀作業(yè)初探
- 《牧童和羊的故事》閱讀作業(yè)題及答案_1
- 高考語文一輪復(fù)習(xí)現(xiàn)代文閱讀作業(yè)含答案
- 高考語文一輪復(fù)習(xí)論述類文本閱讀作業(yè)含答案
- 高考語文()一輪復(fù)習(xí)論述類文本閱讀作業(yè)含答案
- 高考語文一輪復(fù)習(xí)實(shí)用類文本閱讀作業(yè)含答案
- 83135.通過報刊閱讀作業(yè)培養(yǎng)初中生英語自主學(xué)習(xí)能力
- 高考語文一輪復(fù)習(xí)現(xiàn)代文閱讀作業(yè)含答案(5)
- 高考語文一輪復(fù)習(xí)現(xiàn)代文閱讀作業(yè)含答案(2)
- 高考語文()一輪復(fù)習(xí)現(xiàn)代文閱讀作業(yè)含答案(2)
- 高考語文一輪復(fù)習(xí)論述類文本閱讀作業(yè)含答案(1)
- 高考語文一輪復(fù)習(xí)現(xiàn)代文閱讀作業(yè)含答案(6)
- 高中語文閱讀作業(yè)設(shè)計策略探討.pdf
- 電子閱讀紙質(zhì)閱讀作文講評
- 高考語文一輪復(fù)習(xí)文學(xué)類文本閱讀作業(yè)含答案
- 高考語文一輪復(fù)習(xí)文言文閱讀作業(yè)含答案(4)
- 高考語文一輪復(fù)習(xí)文言文閱讀作業(yè)含答案(8)
評論
0/150
提交評論