Unit10MoneyPeriodFiveCommunicationWorkshop课时精练(北师大版必修4,广东专用)时间:40分钟Ⅰ
完形填空阅读下面短文,掌握其大意,然后从1~15各题所给的A、B、C和D项中,选出最佳选项
Isthecommonnatureofcancerworldwidepurelyamanmadephenomenon
Thatiswhatsomeresearchersnowsuggest
Cancerisa__1__causeofdeathworldwidethesedays,however,scientistshaveonlyfoundone__2__ofthediseaseininvestigationsofhundredsofEgyptianmummies(木乃伊),__3__RosalieDavidoftheUniversityofManchesterinEnglandsaidinastatement
“Thismightberelatedtothewide__4__ofcarcinogens(致癌物)inmodernsocieties”,writeRosalieDavidandMichaelZimmermannofVillanovaUniversity,Pennsylvania
Cancersare“limitedtosocietiesthatareaffectedby__5__lifestyleissues,suchastobaccouseandpollution__6__industrialization”.Inareviewofpublished__7__oftensofthousandsofancientskeletons(骷髅)andhundredsofmummies,DavidandZimmermannfoundonlyah