2018-2019人教新目标高中英语选修六课件：unit 4 period 4

Unit 4 Global warming Period 4 Using Language 要点讲解课,. 写出黑体单词在句中的含义并识记 1. Our wages are above average. ( ) 2. If you are serious about our relationship, you should make a commitment. ( ) 3. Waste water from the factory is the main cause of the pollution of local rivers. ( ),平均数,承诺,污染,4. Such casual dress would not be appropriate for a formal occasion. ( ) 5. Maybe under these circumstances we may say that man can conquer nature. ( ) 6. A cool drink refreshed me after my long walk. ( ),随意的; 不正式的,条件,使精神振奋,7. Many educators have made important contributions to education career. ( ) 8. This is the oldest vase in existence. ( ),贡献,存在,. 根据汉语释义补全下列短语 1. _ the whole 大体上; 基本上 2. on _ of 代表一方; 作为的代言人 3. put up _ 忍受; 容忍 4. so _ as 只要 5. _ so on 等等 6. make a _ 有意义, 有差别,on,behalf,with,long,and,difference,7. turn _ 关上 8. be casual _ 对某事不在乎 9. make _ to 对做出贡献,off,about,contributions,. 读文章选择最佳答案 1. What is the main idea of the text? A. How to write a letter of advice. B. How to deal with global warming. C. Go to help people in need. D. People just wait and see what will happen.,2. What project is Ouyang Guang doing at school? A. What we can do about global warming. B. What is happening around us. C. Who is going to give a speech. D. When the meeting will begin.,3. Which is TRUE about Ouyang Guang in Letter 1? A. He thinks individuals have great effect on environmental problems. B. He is confident about where to start with the project on global warming. C. He thinks we should improve the way of using energy. D. He is alone in doing the project about global warming.,4. Which is the right suggestion given by Earth Care in Letter 2? A. Its OK to leave electrical appliance on so long as you are at home. B. Walk or ride a bike when possible.,C. Recycle cans, bottles, plastic bags under any circumstances. D. Persuade your parents to buy things economical with energy except cars.,1 average adj. 平均的 (2017·江苏高考)Statistics show that the average number of births per woman has fallen from 4. 9 in the early 1960s to 2. 5 nowadays. 统计资料显示妇女的平均生育数由20世纪60年代初期的每人4. 9个降为现在的2. 5个。 The average of 4 and 6 is 5. 4和6的平均数是5。,He spends an average of 4 hours a day watching TV. 他每天平均花费4个小时的时间看电视。 His intelligence is above average. 他的智力高于平均水平。 His reading ability is below average. 他的阅读能力低于一般水平。,On average, women live between five and seven years longer than men. 女性比男性寿命平均长57年。,【自我归纳】 average n. _ the average of _ an average of _ _ 高于/低于平均水平 on average _,平均数; 平均水平,的平均数,平均,above/below average,平均,【活学活用】 _ _ _ of the boys in this class is fifteen. 这个班男生的平均年龄为十五岁。 His living standard is _ _. 他的生活水平低于平均水平。,The,average,age,below,average,单句写作。 它告诉我们全球平均气温已经上升了0. 8摄氏度。 It tells us that _ _0. 8.,the global average temperature has,increased by,最近我们城市中每100个家庭中的个人电脑平均数量 已迅速增加。 Recently _ in every 100 families has been increasing rapidly in our city.,the average number of personal computers,2 on behalf of代表一方; 作为的代言人 I am doing a project on behalf of my school about global warming. 我正代表学校做一个关于全球变暖的课题。 My sister cannot come, so I will speak on her behalf. 我姐姐不能来, 所以我将代表她发言。,【自我归纳】 on behalf of sb. =_ _ _ 代表某人,on,ones,behalf,【易混辨析】,【活学活用】 I would like to thank all of you _ _ _ _ _. 我谨代表全家感谢大家。,on,behalf,of,my,family,(2016·天津高考)At last, on behalf of all the students in our school, I wish you will have a safe and happy journey home. 译: _ _。,最后, 我代表我们学校全体学生, 祝你们在回家的,旅途中平安快乐,3 make a difference有影响, 有不同, 有区别 Together, individuals can make a difference. 众人拾柴火焰高。 What you have said will make no difference to the naughty boy. 你所说的不会对这个淘气的男孩起什么作用的。 The twins are so alike; its difficult to tell the difference. 这对双胞胎长得太像了, 很难分辨出来。,【自我归纳】 make a difference _ make no difference _ tell the difference _,起作用; 产生影响,不起作用; 没有影响,辨别差异,【知识延伸】 (1)make no/not much/a little/some/a big difference (to) (对)没有/没有多大/有一点/有一些/有很大影响 (2)make no/not much/a little/some/a big difference (to) sb. /sth. 中的to是介词, 后面跟名词、代词或动名词作宾语。,【活学活用】 Education can _ _ _ _ to the quality of a persons life. 教育对一个人的生活质量有很大的影响。,make,a,big,difference,单句写作。 只有当我们言行一致时, 我们才能在我们希望完成的 事情上发挥作用。 Only when we match our words with actions _ _what we hope to accomplish. 如果你记不住的话, 你读或者是学什么都没有什么区别。 _what you read or study if you cant remember it.,can we,make a difference in,It makes no difference,4 put up with忍受; 容忍 I can put up with the house being untidy, but I hate it if its not clean. 译: _ I will not put up with your bad behaviour any longer! 译: _,房子里东西凌乱我能忍, 但是我讨厌脏。,我再也不能忍受你的糟糕的行为