学年高中英语Unit4GlobalwarmingSectionⅢGrammar教学案新人教版选修6.docx

1、学年高中英语Unit4GlobalwarmingSectionGrammar教学案新人教版选修6Section Grammarit的用法(二)课前语法感知.教材语法感知教材原句There is no doubt that the earth is becoming warmer and that it is human activity that has caused this global warming rather than a random but natural phenomenon.It was a scientist called Charles Keeling who made

2、 accurate measurements of the amount of carbon dioxide in the atmosphere from 1957 to 1997.They also agree that it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide.探究发现(1)强调句型的结构是：It_is/was被强调部分that句子的其他成分，如例句、。(2)当被强调部分是人时，也可用who，如例句。.真题语法感知1(2018天津高

3、考)It was only when the car pulled up in front of our house _ we saw Lily in the passenger seat.答案：that2(2018浙江高考)It was then _ my mind raced.答案：that3(2017天津高考)It was when I got back to my apartment _I first came across my new neighbors.答案：that4(2016天津高考)You are waiting at a wrong place. It is at the

4、 hotel _ the coach picks up tourists.答案：that5(2015湖北高考)It was in this lake_ they found the longlost sword of the Ming Dynasty.答案：that课堂合作探究一、it构成的强调句式it可用来构成强调句式“It is/was被强调部分that/who .”，用以强调句子的主语、宾语、状语等成分。名师点津强调句型的几个注意事项：(1)强调句式中的it与that都没有意义，若把强调句式部分去掉，剩下的部分在句子结构与意义上仍然完整。(2)强调句型的特殊疑问句形式用于主从复合句中的名

5、词性从句时，其语序应用陈述句语序。(3)强调句型与定语从句相结合，若强调句型中的被强调部分含有定语从句，注意对定语从句引导词及强调句型中的that要做出正确的判断。Do you know what it is that they will talk about at the party?你知道他们在聚会上将要谈论些什么吗？It was in the school where they had their schooling that they had a gettogether again twenty years later.在他们曾接受学校教育的学校里，他们20年后又聚在了一起。二、it引

6、起的关于时间的易混淆的句型【即景活用】(1)单句语法填空Was _ on a lonely island that he was saved one month after the boat went down?Can you explain why it _ that the sun goes down in the west?It is either he or you who _ in charge of the project and supposed to finish it punctually.It will be half a year _ my son comes back

7、from America.He was so busy yesterday that it was not until late at night _ he finished his work.It is five months _ my son went to America.答案：itisarebeforethatsince(2)单句写作是张教授正在打电话。_ Professor Zhang _ is talking on the phone.这个病人需要的是更好的食物和更多的阳光。_ better food and more sunshine _ the patient needs.你是

8、在哪里找到你丢失的那本书的？_ you found your lost book?是你哥哥在那家公司工作吗？_ in that company?直到昨天我才注意到它。_ I noticed it.我不记得是什么时候你开始做这个工作的了。I cant quite remember _ you started doing the work.只有在最近我重读他的诗时，我才欣赏到它们的美。_ I reread his poems recently that I began to appreciate their beauty.只有通过这种方式我们才能按时完成工作吗？_ in this way _ we

9、 can finish the work on time?答案：It is; who/thatIt is; thatWhere was it thatIs it your brother who/that worksIt was not until yesterday thatwhen it was thatIt was only whenIs it only; that课后演练提能基础题.单句语法填空1It was after he got what he had desired _ he realized it was not so important.答案：that2It was on

10、the farm _ he spent his childhood that he learned how to grow vegetables.答案：where3I just wonder _ it is that makes him so excited.答案：what4I dont mind her criticizing me, but _ is how she does it that I object to.答案：it5It was in the small house _ was built with stones by his father _ he spent his chi

11、ldhood.答案：which/that; that.单句改错1It was with the help of the local guide the mountain climber was rescued._答案：guide后加that2It is two years that he studied in the middle school._答案：thatsince或years后加ago3It was 80 years before Christopher Columbus crossed the Atlantic when Zheng He had sailed to East Afr

12、ica._答案：whenthat4That is because of his illness that he couldnt attend the meeting._答案：ThatIt5We dont know why it is she came so late._答案：is后加that.单句写作1正是在密西西比河岸一带马克吐温度过了他的大部分童年时光。_ the Mississippi River _ Mark Twain spent much of his childhood.答案：It was along; that2是在六年前他开始学习中文的吗？_ six years ago _

13、he began to learn Chinese?答案：Was it; that3是李教授教你们英语吗？_ Professor Li _ teaches you English?答案：Is it; that/who4正是因为这个原因她叔叔搬离了纽约。_ this reason _ her uncle moved out of New York.答案：It was for; that5是谁泄露的这个秘密？_ let out the secret?答案：Who was it that能力题.阅读理解A(2017全国卷)After years of heated debate, gray wolves were reintroduced to Yellowstone National Park. Fourteen wolves were caught in Canada and transported to the park. By last year, the Yellowstone wolf population had grown to more than 170 wolves.Gray wolves once were seen here and the