課時(shí)作業(yè)(十六)Unit18BeautyⅠ.語(yǔ)法填空treatedtheorphan________herownchild.答案：as2．ItisnoteasytolearnEnglishwell，butifyouhang________，youwillsucceedintheend.答案：on3.Sointerestedinthescriptbased________the25,000-liLongMarch，hehasdecidedtoplaytheleadingpart.答案：on4．(全國(guó)卷Ⅰ改編)Ihaveseldomseenmymother________pleasedwithmyprogressassheisnow.答案：so5．Wewilldothephysicsexperimentinthelabwhichisin________chargeofMrSmith.答案：the6．Itwasextremelydarkinthepassagesohe________(strike)amatch.答案：struck7.Toqualifyyourselfforthiskindofnewjob，Irecommendthatyou________(take)someonlinecourses.答案：take8．Hislegwasbecame________(evidence)thathisfootballcareerwouldsoonbeover.答案：evident9．As________asyouarehappy，itdoesn’tmatterwhatyoudo.答案：long10．—Didyougodutchafterthatmeal，Imean，withtheotherfourfriends?—No，becauseitwasmy________thatday.答案：treatⅡ.完成句子1．__________________________(稍等一會(huì)兒)．I’mnotquiteready.答案：Hangonaminute2．Idon’tknowwhois__________________________(負(fù)責(zé)這個(gè)工程)．答案：inchargeoftheproject3．__________________________(我十分清楚)thathewasnottellingthetruth.答案：Itwasevidenttome4．Irecommend__________________________(乘飛機(jī)去)foratoursomewhere.答案：goingbyair5．__________________________(她突然想起)sheleftherkeysonthebus.答案：ItstruckherthatⅢ.完形填空SomethingunexpectedhappenedtomeguessthatIwascousinandIwentoutforlunchinanItalianplannedto__2__herday，forshelostherhusbandafewweeksago.Here’smoreofthe__3__：Mycousinhassomethingwrongwithhereyes，soshecan’Ihavetouseawalkerbecauseofmydifficultyinwe__5__therestaurant，wecameacrossanoldcouplewhowerejustweren’tquiteasoldasweare，__6__theymighthavebeenintheirgentleman__7__thedoorforusandhiswifetherewouldn’tbeanytipcoming，butIstillthankedthemfortheirhelp.Aniceyoungmanshowedustoour__9__—IthinkalloftheArizonapeoplearereadytohelpayoungladyintroducedherselfasour__11__andaddedthatshewasinlookedoverthemenuandpreparedofasudden，theladywe__13__atthedoorappearedatourtable.“Lunchisonme，”shetosay，weofushadeverexperiencedsuchtheyoungwaiterreturnedandhandedusagiftleftusagiftcardworth$125.BeinglongtimecitizensofArizona，wehavegotusedtothekindnessofstrangershere，butthisnice__17__wasoutofthewantthat__18__coupletoknowwewillnever__19__this，andthattheycanbe__20__wewilldowhatwecantohelpotherpeople.語(yǔ)篇解讀本文是記敘文。文章主要講述了在一家餐館里，一對(duì)陌生的夫婦主動(dòng)為兩位年邁的老太太買(mǎi)單的故事。1． B．carefulC．strong D．serious解析：由下文的內(nèi)容可知，作者受到一對(duì)夫婦的幫助，所以她覺(jué)得自己是個(gè)“幸運(yùn)的(lucky)”人。答案：A2． B．brightenC．spend D．celebrate解析：作者的表姐夫幾周前去世了，所以她約表姐出來(lái)吃飯，希望讓她的心情好一些，故用brighten。答案：B3． B．problemC．story D．plan解析：由下文的內(nèi)容可知，這句話引出了具體的“故事(story)”經(jīng)過(guò)。答案：C4． B．thinkC．hear D．see解析：由上一句Mycousinhassomethingwrongwithhereyes可知，作者的表姐“看(see)”不清東西。答案：D5． B．discussedC．entered D．remembered解析：由下文的Aniceyoungmanshowedus...和Thenayoungladyintroducedherself...以及Welookedoverthemenu...可知，作者她們“走進(jìn)(entered)”餐館。答案：C6． B．butC．if D．until解析：那對(duì)夫婦雖然沒(méi)有作者她們老，“但是(but)”也可能六十來(lái)歲了。答案：B7． B．a(chǎn)nsweredC．closed D．showed解析：由上文的Aswe________therestaurant，wecameacrossanoldcouplewhowerejustleaving可知，作者姐妹二人進(jìn)門(mén)時(shí)，老夫婦正要出門(mén)，所以這里應(yīng)該是老先生順手為作者她們“扶著(held)”門(mén)。答案：A8． B．a(chǎn)rguedC．doubted D．joked解析：那對(duì)老夫婦也是來(lái)就餐的顧客而并非餐館的服務(wù)員，所以對(duì)于他們的幫助作者只是“開(kāi)玩笑說(shuō)(joked)”沒(méi)有小費(fèi)。答案：D9． B．foodC．car D．home解析：由下文的Welookedoverthemenu...可知，一個(gè)友善的年輕人把作者她們帶到“餐桌(table)”前。答案：A10． B．oldC．sick D．injured解析：來(lái)到飯店，作者受到了不少禮遇，再結(jié)合上文的Theyweren’tquiteasoldasweare，________theymighthavebeenintheirsixties可知，作者覺(jué)得所有的亞利桑那人都樂(lè)意幫助“老人(old)”。答案：B11． B．guideC．server D．cook解析：由下文作者二人開(kāi)始點(diǎn)菜可知，這位年輕的女士是“服務(wù)員(server)”。答案：C12． B．leaveC．rest D．order解析：由Welookedoverthemenu可知，作者她們看著菜單準(zhǔn)備“點(diǎn)菜(order)”。答案：D13． B．metC．welcomed D．recognized解析：突然，作者她們?cè)陂T(mén)口“遇到(met)”的那位太太出現(xiàn)在她們的餐桌旁。答案：B14． B．satisfiedC．a(chǎn)mazed D．disappointed解析：由上一句“Lunchisonme，”shesaid可知，那位太太說(shuō)午餐她請(qǐng)客，這讓作者她們很是“吃驚(amazed)”。答案：C15． B．finalC．formal D．generous解析：作者她們都沒(méi)有遇到過(guò)這樣“慷慨的(generous)”幫助。答案：D16． B．ladyC．couple D．cousin解析：門(mén)口遇到的那位太太說(shuō)午餐她請(qǐng)客，于是服務(wù)員一會(huì)兒送來(lái)了一張卡，所以這張卡就是門(mén)口那對(duì)老“夫婦(couple)”留下的。答案：C17． B．lessonC．report D．gesture解析：作者她們長(zhǎng)期生活在亞利桑那州，已經(jīng)習(xí)慣了這里陌生的人們的友善行為，但是這次善意的“表示(gesture)”卻不同尋常。答案：D18． B．friendlyC．funny D．interesting答案：B19． B．a(chǎn)cceptC．require D．mind答案：A20． B．sorryC．a(chǎn)fraid D．grateful解析：作者她們想讓那對(duì)“友好的(friendly)”夫婦知道，她們永遠(yuǎn)不會(huì)“忘記(forget)”這件事，而且她們想讓這對(duì)夫婦“相信(sure)”，她們也會(huì)盡力去幫助他人。答案：AⅣ.閱讀理解WhenEuropeansettlersarrivedinNorthAmerica，theybroughtEuropeandiseaseswith，hugenumbersofNativeAmericansbegandyingfromsmallpox(天花)-hundred-year-olddocumentsrecordthistale，butnowscientistssaythey’vefoundotherevidenceburieddeepinsidehumancells.Inanewstudy，BrendanO’FallonandLarsFehren-SchmitzreportevidencefoundingenesthattheNativeAmericanpopulationdroppedbyhalfafterthearrivalof’FallonstudiesgenesatARUPLaboratoriesinSaltLakeCity，whileFehren-Schmitzisascientistwhostudieshumankind，attheUniversityofG?ttingeninGermany.Cellsmakeupeverypartoftheinsidealmosteverycellisalong，coiledmolecule(盤(pán)繞顆粒)calledarepartsofDNAthatplayimportantrolesindeterminingone’shelpdetermineaperson’sappearance，suchasskincolorandheight，andalsoplayaroleinmanythingsyoucan’tsee，likethechanceofgettingadisease.Geneschangeovertime，andbyfollowingthesechangesscientistscanlearnaboutaperson’s’FallonandFehren-Schmitzlookedatgenesinthemitochondriaofcells.(Mitochondriaarelikefactoriesthathelpcellsuseenergyfromfood.)ThescientistscomparedDNAfromtheremainsofancientNativeAmericanswithDNAfromlivingpeopledescended(遺傳)fromNativeAmericans.Thescientistsstudiedpatternsinthegenesfromthetwogroupsandidentifiedwaysthatthepatternschangedoverstatistics，whichincludesusefulmathematicaltoolsforanalyzinglargeamountsofdata，theresearcherswereabletojudgethesizeoftheNativeAmericanpopulationbeforeandaftertheEuropeans’comparisonshowedthenumberofnativepeoplereducedsharplyafterEuropeansettlerslandedintheNewEarliergeneticstudiesdidn’thaveevidenceoftheNativeAmericandie-involvedinthenewstudysaythatthere’snowmoredatafromancientremains，soresearcherscangetabetterideaofwhathappened.語(yǔ)篇解讀基因承載了人類(lèi)遺傳密碼，是隨時(shí)間推移而不斷變化的。通過(guò)對(duì)基因的分析和研究，人們可以解開(kāi)很多秘密。1．BrendanO’FallonandLarsFehren-Schmitzwork________.A．a(chǎn)tthesameuniversity B．inthesamecountryC．fordifferentpurposes D．togetthesameresult解析：細(xì)節(jié)理解題。根據(jù)第二段和第四段的內(nèi)容，可知兩位科學(xué)家并不在同一個(gè)國(guó)家，同一個(gè)大學(xué)工作，在研究基因時(shí)，也不是為了不同的目的，最后得出的是同一個(gè)結(jié)論，所以D項(xiàng)正確。答案：D2．GeneshelpdeterminemanythingsofapersonEXCEPT________.A．a(chǎn)person’sappearance