Unit15LearningPeriodFourLesson4Understanding课时精练(北师大版必修5,广东专用)(时间:35分钟)Ⅰ
完形填空(共15小题;每小题2分,满分30分)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
Amongallthefastgrowingscienceandtechnology,theresearchofhumangenes,orbiologicalengineeringaspeoplecallit,isdrawingmoreandmoreattentionnow
Sometimesitisahot__1__discussedbypeople
Thegreatestthingthatgenetechnologycandoistocure__2__diseasesthatdoctorsatpresentcanalmostdonothingwith,suchascancerandheartdisease
Everyyear,millionsofpeoplearemurderedbythesetwo__3__
Andtodate,doctorshavenotfoundan__4__waytocurethem
Butifthegenetechnologyis__5__,notonlythesetwodiseasescanbecured__6__,bringinghappinessandmorelivingdaystothepatients,butalsothegreatamountofmoneypeople__7__oncuringtheirdiseasescanbesaved,soitbenefitsthe__8__aswell
__9__,humanlifespancanbeprolonged