新概念英语第二册48课研究.ppt

Discussion 1. Are you afraid of dentist ? 2. Have you ever been to the dentist ? 3, if the dentist pull out a wrong tooth, what will you do ? Listen and answer the questions Why did the writer become very worried ? Dentists always ask _____ when it is ______ for you to answer. My dentist had just ______ one of my teeth and had told me to rest ______. I tried to say something, but my mouth ______ cotton wool. He knew I _____ match boxes and asked me whether my collection was _____. He then asked me how my brother was and ______ I liked my new job in London. In answer to these questions I either ______or made strange______. Meanwhile, my tongue was busy _______out the hole where the tooth had been. I _________ felt very worried, but could not say anything. When the dentist at last ________ the cotton wool from my mouth, I was able to tell him that he had pulled out the ______tooth. Read and answer the questions in 215 【课文讲解】 1Dentists?always?ask?questions?when?it?is?impossible?for?you?to?answer.? impossible通常不以人作主语，而以不定式或从句作主语：? ??It?is?impossible?for?him?to?help?you.? =It?is?impossible?that?he?will?help?you. 2, In?answer?to?these?questions?I?either?nodded?or?made?strange?noises. in?answer?to??????作为对??的回答；响应??的请求?? In?answer?to?my?request,?he?wrote?a?letter?to?George.???? 应我的请求，他给乔治写了封信。? in?return?for??????作为对??的报答 3.Meanwhile,?my?tongue?was?busy?searching?out?the?hole?where?the?tooth?had?been. meanwhile??????在此期间，与此同时? ??He?won’t?come?until?ten?o’clock.?Meanwhile?you?can?have?a?rest.? Mary?was?talking?to?me?about?her?new?dress.?Meanwhile?I?was?thinking?about?something?else.? be?busy?doing?sth.??????忙于做某事? search?out?????找出，搜寻? Have?you?searched?out?the?books?I?needed?? where?=?介词?+?which? That?is?the?house?which?I?lived?in.?????这是我住的房子? =That?is?the?house?where?I?lived.? where称为关系副词,另外还有when也是关系副词 This?is?the?river?where?I?swim.??（where作定语从句的标志,修饰前面的river）? The?tooth?had?been?in?the?hole.?(in?the?hole?=?where) 4、When?the?dentist?at?last?removed?the?cotton