1、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 d
2、ress 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
3、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
4、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
5、. 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 o
6、f 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 ci
7、rcumstances. 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
8、 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 ave
9、rage 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 a
10、verage 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 s
11、ister 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
12、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 differen
13、ce. 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。,
14、【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,
15、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了!,【知识延伸】 (1)除put up with外, 表示“容忍; 忍受”之意的单词还有: stand, bear, tole
16、rate。,(2)put up 建立, 张贴, 举手 put down 写下, 镇压, 放下 put forward 提出(建议、想法等) put away 收起, 将放回原处 put on 穿上, 戴上, 表演 put off 推迟,【活学活用】 用put短语的适当形式填空。 No longer able to _my toothache, I went to consult a dentist. Who knows the answer? Please _your hand.,put up with,put up,Commercial advertisement is one of the
17、 things we have to put up with when watching TV. 译: _ (单句改错)The air condition in the city is so bad and I cant put up with. _,商业广告是我们在看电视时不得不忍受的东西之一。,with后加it,5 circumstance n. 环境; 情况 Recycle cans, bottles, plastic bags and newspapers if circumstances allow you to. 如果情况允许的话, 把罐头盒、瓶子、塑料袋和报纸回收起来。,Whet
18、her you agreed or not, this was the perfect arrangement for you under/in the circumstances. 不管你同意与否, 在这种环境下, 对你来说, 这是最好的安排。 In/Under no circumstances shall I leave you. 在任何情况下, 我都不会离开你。,【自我归纳】 under/in the circumstances_ in/under no circumstances _,在这种情况下,决不; 在任何情况下都不,【名师指津】 (1)in/under no circumsta
19、nces放于句首, 句子须用部分倒装语序。 (2)具有相同用法的还包括on no account, in no way, by no means, in no case等。,【活学活用】 I dont remember all the _ of the quarrel. 我不记得争吵的所有情况了。 At no time and _ _ _ will China be the first to use nuclear weapons. 在任何时候任何情况下中国都不会首先使用核武器。,circumstances,in/under,no,circumstances,Under no circumst
20、ances _ _ _ _ your dreams even if everybody goes far away from you. 即使每个人都远离了你, 你也决不应该放弃你的梦想。,should,you,give,up,6 contribution n. 贡献 Rememberyour contribution counts! 记住你的贡献很有价值! It is our duty to make a contribution to protecting the environment. 为环保做贡献是我们的义务。 (make a contribution to意为: _),对做贡献,Th
21、ey are determined to make contributions to public safety. 他们决心为公众安全做出贡献。,【自我归纳】make a contribution to =make contributions to_,对做出贡献,【知识延伸】 contribute vi. 给投稿 Exercise contributes to your health. 运动有利于你的身体健康。,【名师指津】make a contribution to, contribute to和contribute. . . to三个短语中, to都是介词。,【活学活用】 用contrib
22、ute的正确形式填空。 He has made an important _ to the companys success. There are many factors which _ to a persons success.,contribution,contribute,Having a business allows you to make contribution to society. (单句改错) _ (语法填空)More and more carbon dioxide is being released into the air, _ (contribute)to the
23、severer global warming effects.,make后加a或contributioncontributions,contributing,7 It is OK to leave an electrical appliance on so long as you are using itif not, turn it off! 只要你在使用电器设备, 你便可以把它开着。如果不用就把它关掉!,【句型剖析】 (1)这是一个主从复合句, It is OK to leave an electrical appliance on是主句, so long as引导的是条件状语从句, 意为
24、_, 相当于as long as, 谓语动词常用现在时表将 来。 We can arrange everything _ _ _ we have enough time. 只要有足够的时间, 我们就能安排一切。,so/as,long,as,只要,【名师指津】so long as与as long as用法一样吗? as long as只能用于肯定句, 而so long as既可用于肯定句, 又可用于否定句。 as long as还可意为“与一样长, 长达”。,(2)if not在本句中是否定句的省略形式, 其完整形式是 _。 Youd better get up early. _, youll
25、be late for class. 你最好早起。否则, 你就会上课迟到的。,if you are not using it,If not,【知识延伸】 if so 如果是这样的话 if possible 如果可能的话 if necessary 如果必要的话 if ever 如果曾经有一些的话,【活学活用】 他一天工作多达10个小时。 译: _ 单句写作。 总之, 只要我们多听、多说、多读和多写, 我们就能学 好英语。(as long as) In a word, _, speaking, reading and writing, we will learn English well.,He
26、works as long as ten hours a day.,as long as we do more listening,如果可能的话, 我将努力成为一名志愿者, 为他人提 供帮助。 _, I will try to become a volunteer, who offers help to others. So long as you are going to town tomorrow, you can do something for me. 译: _, 你可以为我做点事情。,If possible,既然你明天进城,(单句改错)So long you can put your
27、 friends interests in front of yours, you will have a lot of good friends. _,long后加as,【备选要点】 1 advocate vt. 拥护; 提倡; 主张 I still think people should advocate improvements in the way we use energy today. 我仍认为现在人们应该提倡改善日常能源的使用方式。,I do not advocate doing such things. 我不主张干这样的事情。 The report advocated that
28、 all buildings should be fitted smoke detectors. 报告主张所有的建筑物都应安装烟雾探测器。,【自我归纳】 advocate(doing)sth. _ advocate + that从句 _(that从句中谓语用should+动词原形, should可以省略),拥护/提倡(做)某事,主张,【活学活用】 句型转换。 He advocates reducing daily expense. He advocates that daily expense _. Many people advocate that the road should be re
29、built. Many people advocate _.,should be reduced,rebuilding the road,_ _ _ _ you should understand the situations before you make a judgment. 有人提倡在作出判断前你应该弄清情况。 I do not advocate _. 我不主张在这里建大工厂。,It,is,advocated,that,building large factories here,2 refresh vt. 使恢复; 使振作 Let me refresh your memory with
30、 some facts. 我来提几件事帮你恢复记忆吧。 I refreshed myself with a cup of coffee. 我喝了一杯咖啡给自己提提神。,【自我归纳】 _ 使某人想起; 唤起某人的记忆 _ 用使振作精神,refresh ones memory,refresh. . . with. . .,【活学活用】 I looked at the map _of the road. 我看看地图以唤起对这条路的回忆。 He has drunk one cup of coffee _. 他喝了一杯咖啡提神。 (语法填空)Some students often listen to m
31、usic between classes _(refresh)themselves.,to refresh my memory,to refresh himself,to refresh,【课堂小结】 . 词汇串记 Dear fellow students, Im honored to be on behalf of our class to make a speech on how to protect our school environment. As you know, on average, every student makes two kilograms of rubbish e
32、ach day. Some of the rubbish is thrown around,by some students, which makes our schoolyard very dirty and we cant put up with it. Under no circumstances can this bad behavior be allowed, so I advocate not throwing any rubbish around in school and make a contribution to our schools beauty. Only if ea
33、ch of us takes action to protect our environment can we enjoy a more beautiful schoolyard. So, come on everyone. Refresh yourself with,a good habit of putting rubbish into dustbin, which will make a big difference. I believe that you can make it. Thanks for listening.,. 句式背诵 1. So long as we pull to
34、gether, theres no mountain top we cant conquer. 只要咱们一条心, 就没有攀登不上的高峰。 2. Id like to devote my flesh and blood to the country if necessary. 如果需要, 我愿意把我的血肉之躯献给祖国。,3. It takes patience and hard work to master English writing. 学好英文写作需要耐心及努力。 4. He may have known the truth; otherwise he wouldnt be so angr
35、y now. 他很可能已经知道事情的真相, 否则他现在不会这么生气。,如何写环保倡议信倡议信是高考常考作文形式, 作者就有关的问题进行分析并针对这些问题提出自己的看法和建议。其基本框架是: 开头(beginning): 写倡议信的背景、原因和目的; 主体(body): 写明倡议的具体内容和要求; 结尾(ending): 结尾要表示倡议者的决心和希望。,校刊“英语园地”为配合学校创建“绿色学校”的工作, 开展了“创建绿色学校英语征文活动”, 请根据下列提示用英语写一篇环保倡议信。内容如下: 要求: 词数100个左右。,Step 1 审题谋篇,Step 2 遣词造句 1. 你会经常碰到空教室里亮着
36、灯(的情况)。 空教室 _ 碰到 _ 亮着灯(with的复合结构) _ 翻译此句: _ _,an empty classroom,come across,with the lights on,You can often come across an empty classroom with the,lights still on.,2. 很多学生乱扔可回收的饮料瓶、旧书本。 乱扔 _ 回收 _,throw away,recycle,用定语从句的引导词that/which合并下列两个句子: Many students are always throwing away the soft drink
37、 bottles, used exercise papers and books. They can be recycled. _ _ _,Many students are always throwing away the soft drink,bottles, used exercise papers and books that/which can,be recycled.,3. 有些学生依然使用不环保的饭盒, 结果引起了白色污染。 不环保的 _ 饭盒 _,non-environmentally friendly,meal boxes,根据示例, 仿写句子: 示例: Air pollut
38、ion is becoming more and more serious, causing a lot of health problems. (causing. . . 分词作结果 状语) 仿写: _ _,Some students still use non-environmentally,friendly meal boxes, causing the White Pollution.,4. 这些现象显示很多同学缺乏环保意识。 现象 _; _(复数形式) 缺乏 _ 环保意识 _ 翻译此句: _ _,phenomenon,phenomena,lack/be lacking in,the
39、environmental awareness,These phenomena show that many students lack/are,lacking in the environmental awareness.,5. 同学们可以做一些小的事情, 例如收集可回收的项目, 及时关灯和节省水资源。 例如 _ 用于可回收的项目 _ 关上 _,such as,used items for recycling,turn off/switch off,翻译此句: _ _ _,Students can do small things, such as collecting used,items
40、for recycling, turning off the lights in time and,saving water resources.,6. 做好这些事情, 我相信我们的校园会越来越绿。 翻译此句(一句多译): _ _(用if句型) _ _(on condition that. . . ),I believe our school will become greener and greener,if we do these things well.,I believe our school will become greener and greener,on condition t
41、hat we do these things well.,_ _(as long as) _ _. (祈使句+and+陈述句),I believe our school will become greener and greener,as long as we do these things well.,Do these things well and I believe our school will,become greener and greener,Step 3 润色组篇 (注意使用关联词: in addition, worse still, such as, at the same
42、time等)The Green School Project has become part of the environmental education in our school. However, there are still a lot of problems in the school.,You can often come across an empty classroom with the lights still on. Its not difficult to find evidence of wasting water, a very serious problem. I
43、n addition, students do not recycle enough, throwing away the soft drink bottles, used exercise papers and books. Worse still, some students still use non-environmentally friendly meal boxes, causing the White Pollution.,These phenomena show that many students lack the environmental awareness. Its important to educate students to be more environmentally friendly. At the same time, students can do small things, such as collecting used items for recycling, turning off the lights in time and saving water resources. I believe our school will become greener and greener if we do these things well.,
