【文章內(nèi)容簡介】 t ever作 a feeling的同位語，解釋 a feeling 的具體內(nèi)容。 That連接同位語從句時，只起連接作用，不作從句的任何成分。 4. Information has been put forward ___ more middle school graduates will be admitted into universities.( 2020年上海 ) A. while B. that C. when D. as 解析：答案 B。 That引導從句作 information的同位語，解釋 information的具體內(nèi)容。 5. These wild flowers are so special I would do ____ I can to save them.( NMET2020春季北京 ) A. whatever B. that C. which D. whichever 解析：答案 A。 do后接賓語從句，賓語從句 I can 后省略了 do，缺少賓語。 Whatever在賓語從句中作賓語。 Finish the following exercises: 1. His central idea is ____ the losers do not write history. A. X B. because C. that D. whether 2. I think ___ certain that she will do well in her exam. A. that B. this is C. it D. what‘s ＊ ＊ 3. We should stick to ___ is true. A. which B. that C. anything which D. whatever 4. You will find no mistake ____ I‘ve written. A. what B. in what C. with what D. that ＊ ＊ 5. There is a rule in our school ____ no one is permitted to smoke. A. where B. which C. that D. what 6. He didn‘t know which room _____ . A. they lived B. they lived in C. did they live D. did they live in ＊ ＊ Assignment 1. Summarize the rules of the Passive Voice. 2. Finish the exercises of “Discovering useful structures” on Page 22 and Page 6465. Unit 2 Cloning Period 4: 幻燈片 4961頁 Warming up ( 4ms ) Answer the following questions: 1. Do you like dinosaurs? Where have you seen them? Can you see them in our real life? Why? 2. Do you think it is possible to clone dinosaurs? If yes, do you think that’s good for human beings? Why? (Students give their own answers.) Reading I scanning ( 5ms ) Read the text, then tell the following sentences are true or false. ( Students can discuss in pairs. ) 1. Scientists are still experimenting with cloning mammals because they think it can make money. 2. The animals that have disappeared from the earth, like dinosaurs, can be brought back to life through cloning. 3. If we can clone any extinct animals, we should let them live in a zoo. F F F Reading II Detail reading ( 6ms ) Read the text, then answer the following questions. ( Students can discuss in pairs. ) 1. Why should‘t you clone an extinct animal unless there is enough diversity in the group? 2. Why is it wrong to clone an extinct animal if it would have to live in a zoo? 3. Why can‘t you clone the DNA of animals that have been extinct longer than 10,000 years? 1. Why should‘t you clone an extinct animal unless there is enough diversity in the group? There will not be enough geic variation in the group to be able to resist new illnesses. 2. Why is it wrong to clone an extinct animal if it would have to live in a zoo? It is not a good idea to clone an animal that would have to live in a zoo because it is not a suitable habitat to develop and increase its zoo is not a natural environment for a wild animal. 3. Why can‘t you clone the DNA of animals that have been extinct longer than 10,000 years? The DNA of animals more than 10,000 years old is not suitable for cloning ,for it can‘t survive so long. Reading III Argument ( 10ms ) 1. Read the passage again and have a argument according to the requirement of on Page 16. 2. Students work in groups, when discussing, the head of each group should write down the opinions of all the members. 3. Ask some volunteers to show their opinions. Reading IV Reading on Page 5859 ( 10ms ) Students read the passage on Page 5859, then finish the following chart: Team What‘s their argument? Two reasons for/against medical cloning Do you agree with them?why? A ________________ that have no cure at the moment Various answers and reasons are possible 2. To help people