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1、人教课标 高二 选修 6 Unit 3,1. It is never too old to learn.,活到老, 学到老。,2. It rains cats and dogs.,大雨滂沱,3. It never rains but it pours.,不鸣则已, 一鸣惊人。,4. It is a poor mouse that has only one hole.,1. It is never too old to learn. 2. It rains cats and dogs. 3. It never rains but it pours. 4. It is a poor mouse t
2、hat has only one hole.,It is amazing that at my age I am still fit.,2. It is easier to fall than to rise.,3. It is no good crying over spilt milk.,4. I think it best that you should do more exercise.,5. He found it difficult to accustom himself to getting up early.,The subject position,It is amazing
3、 that at my age I am still fit. 2. It is easier to fall than to rise. 3. It is no good crying over spilt milk.,“It” can be used in the subject position to stand for _, _ or _.,a clause,an infinitive,-ing form,The object position,4. I think it best that you should do more exercise. 5. He found it dif
4、ficult to accustom himself to getting up early.,a clause,an infinitive,It is amazing that at my age I am still fit. 2. It is easier to fall than to rise. 3. It is no good crying over spilt milk. 4. I think it best that you should do more exercise. 5. He found it difficult to accustom himself to gett
5、ing up early.,“It” can be used in the subject or object position to stand for _, _ or _.,a clause,an infinitive,-ing form,Its difficult to give up smoking. Is it certain that they will win? It is good learning without practice. It is fun for him to study. Its a pity that our teacher cant take part i
6、n our party. 6. It is suggested that we (should) arrive there in 2 hours.,formal subject,It + is + adj./ n./ p.p. + infinite/ clause/ -ing form,real subject,clear, easy, true, difficult, certain, etc.,fun, a pity, a shame, no use / good, etc.,said, believed, decided, hoped, etc.,Its difficult to giv
7、e up smoking. It is fun for him to study. 3. It is suggested that we (should) arrive there in 2 hours.,遵循英语语言的尾重原则, 避免句子头重脚轻。,formal object,2. + verb + it + adj./ n. + infinite/ clause/ -ing form,real object,find, think, feel, believe, consider, make, etc.,2. Some young people think they look attrac
8、tive when they smoke. It seems _ _,Giving up smoking is difficult to do. It is _,that some young people think they look attractive when they smoke.,difficult to give up smoking.,3. Most people believe smoking causes cancer. It is believed _ 4. Dont try to quit on a stressful day. It is no use _,tryi
9、ng to quit on a stressful day.,that smoking causes cancer.,5. China produces one third of the worlds cigarettes. It is astonishing _ _ 6. You are not allowed to advertise cigarettes in this country. It is illegal _ _,that China produces one-third of the worlds cigarettes.,to advertise cigarettes in
10、this country.,7. My father has quit smoking at last. It is wonderful _ _ 8. The night was dark and stormy when the old man started his journey. It was a _ _,dark and stormy night when the old man started his journey.,that my father has quit smoking at last.,9. You could suffer from bad health if you
11、 keep smoking. It is likely _ _ 10. You have to take pills to control your blood pressure. It is necessary _ _,for you to take pills to control your blood pressure.,that you could suffer from bad health if you keep smoking.,8. It was a dark and stormy night when the old man started his journey.,In t
12、his sentence, “it” is used to talk about time.,“It” can be used in another way?,In this sentence, what does “it” refer to?,It is a beautiful day.,2. It never rains but it pours.,3. It was time to quite smoking.,4. It is 10 kilometers to the castle.,5. It takes all sorts. 世上的人形形色 色，无奇不有。,“It” can be
13、used to talk about _, _, _, etc.,It is a beautiful day. 2. It never rains but it pours. 3. It was time to quite smoking. 4. It is 10 kilometers to the castle. 5. It takes all sorts.,weather,time,distance,Impersonal “it” can also be used to talk about _, _, _, _, etc.,circumstance,1. It is Friday tod
14、ay. 2. It lies in the south of Shaoguan city. 3. It is 40! You got a high fever! 4. Its quiet here.,date,place,temperature,1. It was very cold yesterday. 2. It is about 8:30 now. 3. It is about 5km from my home to the park. 4. Its quite noisy here. 5. I hope that it will be fine tomorrow.,circumstance,weather,time,distance,weather,One of you is an eyewitness (E) who has seen a robbery or an accident. The other is the policeman/policewoman (P) who wants as much information as possible. Use “it” in the answers.,EXAMPLE:,P: What was the weather like on the da
