课时分层作业(五)SetionⅢ、Ⅳ(建议用时：35分钟)[语言知识练习固基础]单句语法填空1．Iamuncertain(certain)tofinishthetaskinaweek.2．Thesoldierquit/quittedhislifetosavetheoldman.3．I'llbecuriousto_know(know)whatyoudecide.4．Itwashimwho/thatIsawthedaybeforeyesterday.5．Parentsarenaturallyanxious(anxiety)fortheirchildren.6．Abusiness，adiscoveryorasimpleeventturnsoutwellifitissuccessful.Unhappily(happily)，sometimesthingsdonotturnout.7．Witheverythingsheneededbought(buy)，shelefttheshop.8．Dressed(dress)inaredcoat，shestoodoutinallthestudents.9．Theplanecrashed，killing(kill)all200peopleaboard.10．Shecameriding(ride)abrandnewbike.[高考题型练习提能力]Ⅰ.阅读理解Happinessiscontagious，researchersreportedonThursday.Peoplewiththemostsocialconnections—spouses(配偶)，friends，neighborsandrelatives—werealsothehappiest，thedatashowed.“Eachadditionalhappypersonmakesyouhappier，”Christakissaid.“ImaginethatIamconnectedtoyouandyouareconnectedtoothersandothersareconnectedtostillothers.Itisthisfabric(结构)ofhumanity，likeanAmericanpatchquilt.”Eachpersonsitsonadifferentcoloredpatch.“Imaginethatthesepatchesarehappyandunhappypatches.Yourhappinessdependsonwhatisgoingoninthepatchesaroundyou，”Christakissaid.“Itisnotjusthappypeopleconnectingwithhappypeople.Aboveandbeyond，thereisthiscontagiousprocessgoingon.”Andhappinessismorecontagiousthanunhappiness，theydiscovered.“Ifasocialcontactishappy，itincreasesthelikelihoodthatyouarehappyby15percent，”Fowlersaid.“Afriendofafriend，orthefriendofaspouseorasibling(兄弟姐妹)，iftheyarehappy，increasesyourchancesby10percent，”headded.Ahappythird­degreefriend—thefriendofafriendofafriend—increasesaperson'schancesofbeinghappyby6percent.“Buteveryextraunhappyfriendincreasesthelikelihoodthatyou'llbeunhappyby7percent，”Fowlersaid.“Thefindingisinterestinganditisuseful，too，”Fowlersaid.“Amongotherbenefits，happinesshasbeenshowntohaveanimportanteffectonreducedmortality(死亡率)，painreduction，andimprovedcardiac(心脏的)function.Sobetterunderstandingofhowhappinessspreadscanhelpuslearnhowtopromoteahealthiersociety，”hesaid.Thestudyalso