Unit7InternationalCharitiesReading2somethingaboutblindness:Blindnessaffectsabout_______________aroundtheworld,mostlyin_____countries.285millionpeoplepoorThegoodnewsisthat______________________________________________________80percentofthecasesofblindnesscanbecuredorprevented.Thebadnewsisthat__________________________________________________manypeopledonothavethemoneyformedicaltreatment.theworkofORBIS:ORBISusesaflyingeyehospitaltovisitpoorcountries.Ontheplane,volunteerdoctors__________________.performoperationsLocaldoctorsandnursescancometotheplaneto________________________.Weteachthem_________.learnabouteyeoperationsnewskillsDrMa’sworkandhisfeeling:Duringhislastvisit,he_______________________.operatedon150patientsWhenheworkedinahospital,he__________________________________.usedtodoonly2or3operationsadayhecanhelppeopleseeagainandimprovetheirlivesDrMaisproudthat____________________________________________________________.WordsandPhrasesUsefulexpressions1.全球约两亿八千五百万人about285millionpeoplearoundtheworld2.这些案例中的百分之八十80percentofthesecases3.有钱医治havemoneyformedicaltreatment4.一架飞行的眼科医院aflyingeyehospital5.在飞机上ontheplane6.志愿者医生volunteerdoctors7演示（实施/做）手术Usefulexpressions8.把它当作教学中心useitasateachingcenter9.学习有关眼科手术learnabouteyeoperations10.通过训练他们bytrainingthem11.给150位病人做手术operateon150patients12.为此感到骄傲feel/beproudthat/of/to…13.继续我们的工作carryonwithourwork1.prevent:vt.阻止,预防vt.preventsb.fromdoingsth.阻止某人做某事prevent的名词preventionkeep结构中的from不可以省略,其余结构中的from可以省略.预防总比治愈强.Preventionisbetterthancure.stop…fromdoingsth.keep…fromdoingsth.Forestshelptokeepthewaterfromrunningaway.森林有助于防止水的流失.Thedeadleavesonthegroundalsostopthewaterfromrunningaway.Inthisway,floodsareprevented.Thetreesintheforestscanpreventraindropsfromhittingthesoildirectly,sothesoilisnoteasilywashedaway.Thesunshinecanreachthevegetablesthroughtheglassofthegreenhouse.Andthecoldwindan...
