(1)She has a mental toughness that did not come about by chance.她心理稳定，这不是偶然发生的。
(2016·江苏)(2)How did it come about that he knew where we were?他是怎么知道我们在什么地方的呢？It comes/came about that...……发生。
How does/did it come about that...？……是怎样发生的？When it comes to...当谈到……名师点拨come about相当于happen或occur，均无被动形式；且常用it作形式主语。
2．subscribe to同意；赞成；订购；捐助(1)I subscribed to the magazine for only 32 a year.订阅(2)How much did you subscribe to the disaster fund？捐助(3)Do you subscribe to her pessimistic view of the state of the economy？同意3．quantities of大量的4．go up上升；增长；升起5．result in导致6．be opposed to反对……7．keep on继续8．on the whole大体上；基本上9．on behalf of代表……一方；作为……的代言人(＝on one’s behalf)代表……一方；作为……的代言人[选词填空]on behalf of，stand for，represent(1)What does WHO __________(代表)?(2)I apologize to you __________(代表) my family.(3)He __________(代表) our school to take part in the competition and all of us were proud of him.名师点拨(1)on behalf of是介词短语。
(2)stand for往往用来表示“(字母、数字、符号等)代表什么”。
(3)represent用来表示“代表某人/某个团体(政府等)”“某种标志代表什么”“某物表现的是什么”和“把某人(物)描绘成什么”。
Keys: （1）stand for（2）on behalf of（2）represented10．put up with忍受；容忍[猜测划线单词词义](1) Far water doesn’t put out near fire.(2) Encourage children to put aside/away some of their pocket money to buy Christmas presents.(3) The association has put the event off until October.(4) Her bed was neatly made，her clothes put away.(5) Class Three has put forward a reasonable proposal.(6)We can’t put up with such terrible noises.名师点拨put up with忍受，容忍，相当于tolerate，stand，bear等。
11．and so on等等语境活用[运用上述短语完成片段]As we can see，many people 1. ___________(继续) throwing rubbish. I wonder how this sort of bad habit 2. ___________ (发生).3. ___________ (总之)，I am strongly 4. ___________ (反对) the behavior of this kind and can’t 5. ___________ (忍受) it.6. ___________ (代表) those who take good care of the environment，I would like to say as long as we can behave ourselves and start from ourselves to protect the earth，we can create a beautiful environment.【重点句型】1. All scientists subscribe to the view that the increase in the earth's temperature is due to the burning of fossil fuels like coal, natural gas and oil to produce energy.所有的科学家同意这种观点：人们为了生产能量而燃烧化石燃料如煤、天然气和石油，从而引起了地球温度的升高。
2. It means that more heat energy tends to be trapped in the atmosphere causing the global temperature to go up.这意味着更多的热量被困在大气层中，从而引起全球温度上升。
3. It was a scientist called Charles Keeling, who made accurate measurements of the amount of carbon dioxide in the atmosphere from 1957 to 1997.是一位名叫查尔斯·基林的科学家曾经把1957-1997年期间大气层中二氧化碳的含量作了精确的统计。
4. They also agree that it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide.他们还同意下述观点，正是燃烧越来越多的化石燃料导致了二氧化碳的增加。
5. On the other hand, there are those, like George Hambley, who are opposed to this view, believe that we should not worry about high levels of carbon dioxide in the air.另一方面，还有一些人，像科学家乔治·汉布利，反对上面的观点，他们认为我们不必担心空气中会有高含量的二氧化碳。
6．There is no doubt that...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.毫无疑问，地球正变得更加暖和，并且全球变暖是人为的，而不是随意的自然现象。
仿写毫无疑问，那里的孩子们急需关心和帮助。
There is no doubt that children there are badly in need of care and help.7．even if引导让步状语从句Even if we start reducing the amount of carbon dioxide and other greenhouse gases，the climate is going to keep on warming for decades or centuries.即使我们开始减少二氧化碳和其他温室气体的含量，在(未来)几十年或几个世纪内，气候仍会持续转暖。
仿写由上层人士做最终决定，即使其他人不同意。
(2014·浙江)Higher-ups make the final decisions，even if others might disagree.8．so/as long as 引导条件状语从句It is OK to leave an electrical appliance on so long as you are using it—if 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！仿写只要有爱心和美德，世界将更美好。
(2014·广东)As long as there is kindness and virtue，the world will become more beautiful.【跟踪练习】选修6 Unit 4Global warming一、请根据各句上下文的意义，选择正确的单词填入空白处。
第一组：state, catastrophe, decrease, Fahrenheit, widespread, fuel, phenomenon, glance, consequence, climate1 32 degrees _____________ is equal to 0 degrees Celsius(Centigrade).2 Terrorism(恐怖主义) is a ______________ of the 20th century.3 Oil, coal, natural gas, charcoal are all common _____________.4 The 1976 Tangshan earthquake was a ____________ to China.5 I like the _____________ of Shenzhen. It has an average temperature of 20℃.6 The _____________ of people cutting down lots of trees is that land is easy to wash away when it rains and more land will turn into desert.7 It was ___________ that London would host the 30th Summer Olympics.8 At first ___________, the math problem seemed easy.9 This reform has received ____________ support throughout the country.The 26.________(popular)of the igloo is beyond doubt：it is now attracting tourists from all over the world. At least 800 people have stayed at the igloo this season even though there are only 10 rooms.话题写作词汇1．environmentally friendly环保的2．pollutant n．污染物3．recycle v．回收4．non-renewable adj.不可再生的5．disastrous adj.灾难性的6．alternative energy替代能源7．endangered species濒危物种8．limited natural resources有限的自然资源9．global warming全球变暖10．arouse people’s awareness of environmental protection提高公众的环保意识话题写作假设你所在的学校英语角要举行一次以低碳环保生活为主题的活动，请你根据下面要点，用英语写一篇演讲稿，建议那些坐私家车上学的同学采取更加环保的交通方式上学。