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2019-2020年人教版高中英語選修6 Unit 3 A Healthy Life period 2 教案 授課題目 Period 4 Grammar(The use of “it”) 第 2課時(shí) 明確目標(biāo) 1、知識與技能：Enable the students to master the usage of “it”. 2、過程與方法: Task-based teaching approaches 3、情感態(tài)度與價(jià)值觀：Develop students sense of cooperative learning and autonomous learning. 重點(diǎn)難點(diǎn) 重點(diǎn)：The usage of “it” 難點(diǎn)：How to use these structures correctly 課型 □講授 □習(xí)題 □復(fù)習(xí) □討論 □其它 教 學(xué) 內(nèi) 容 設(shè) 計(jì) 教師自備內(nèi)容 Step1: Greetings. Step2: Revision Ask Ss to translate the phrases from Chinese into English． (1)吸煙 (2)喝酒 (3)吸毒 (4)由于 (5)盡管 (6)冒險(xiǎn) (7)習(xí)慣于 (8)沉迷于 (9)設(shè)法做成…… (10)想要做…… Step 3: Grammar 1．Ask Ss to go over the reading passage．note the use of “it” and discuss the use of “it”． 2．Discuss the use of “it” together with Ss according to the sentences in the Reading part． (1)Used as a pronoun．Used to refer to the one previously mentioned． I am sending you some advice I found on the Internet．It might help you． (2)Used to replace the word this or that． A：Whose umbrella is that? B：It’s Mary’s． A：What’s this? B：It’s tulip． (3)Used as the subject of an impersonal verb．It can be used to talk about time，date，place，weather，temperature，distance or surroundings，etc． It’s a beautiful day here．It’s time for the meeting． (4)Used as an anticipatory subject or object to stand for an infinitive，一ing form or a clause． It’s no use crying over spilt milk．(doing) It’s difficult to give up smoking．(infinitive) Is it certain that they will win?(clause) It is strange that it hasn’t been noticed before．(clause) (5)Used as an anticipatory subject to emphasize a term that is not itself a subject：the structure is like this： It is(was) +．．．+that(who／whom)+．．． It is human activity that has caused this global warming． It is the burning of more and more fossil fuels that results in the increase in carbon dioxide． It was Jim Brown who／whom／that you should ask． 3．Individual work Ask Ss to finish Ex l(P21)．Make sure Ss understand what function “it” has in each sentence． It is amazing that at my age I am still fit． (Clause) It is easier to fall than to rise． (Infinitive) It is difficult to stop smoking． (Infinitive) ． It is no good crying over spilt milk． (Doing) It is a beautiful day． (Time) It never rains but it pours． (Weather) It was time to quit smoking． (Time) It takes all sorts． (Abstract things) It is 10 kilometers to the castle． (Distance) Step 4．Consolidation 1．Ask Ss to choose the correct verb form to complete the sentences． (1)It’s no good______ (eat，eating)too much chocolates． (2)It’s not dangerous______(to help，helping)AIDS patients in a proper way． (3)It’s unbelievable_____ (that，since)he spends all his money on alcohol． (4)It’11 give me great stress______(to finish，finishing)this experiment in two days． (5)Take a bus．It’s too dark and far away for pregnant woman like you_____ (to walk，walking) home． (6)It’s very common_____ (that，as)adolescents like to try new things． (7)It’s believed_____ (because，that)smoking does terrible damage to heart and lungs． (8) It is not yet decided_____ (whether，that)he will be sent to the drug rehabilitation center or not． (9)It is said______ (that，which)there has been an earthquake in Japan． (10)It was nearly midnight______ (when，how)she came back． Suggested Answers：(1)eating (2)to help (3)that (4)to finish (5)to walk (6)that (7) that (8)whether (9)that (10)when Step 5．Homework Review the usage of “it”． 教學(xué)后記：