句尾。如:Swimmingisagoodsportinsummer.在夏天游泳是一项有益的运动。putergamestoomuchdoesharmtoyoureyes.打电脑游戏过多对你的眼睛有害。Ⅰ即学即用单项选择:1)—What do you think made Mary so upset? —___ her new bicycle?A.AsshelostB.LostC.LosingD.Becauseoflosing(C由what提问可知空格处应是主语部分,Losing在此为动名词,与hernewbicycle构成动名词短语在句中作主语。该题可以理解为:LosinghernewbicyclemadeMarysoupset)完成句子:2)_Beingexposed(expose)tothesunforalongtimewilldoharmtoyourskin.(注意:本题为动名词的被动语态作主语)3)Itisnousetellinghimnottoworry(告诉他不要担忧).Ⅱ高考链接_________wellinaninterviewwillbeanimportantpartofgettingaplaceatuniversity.(2010上海春季卷)A.DoB.DoingC.DoneD.Beingdone(B动名词作主语)Bexperience1)vt.经历Haveyoueverexperiencedrealhunger?你经历过真正的饥饿吗?Everyoneexperiencestheseproblemsatsometimeintheirlives.每个人在人生的某个阶段都会经历这些问题。2)n.经验;经历Experienceisthebestteacher.经验是最好的老师。Hehasmuchexperienceinteaching.他有许多教学经验。