Unit 3 Period 2 Language points-2022-2023学年高中英语课堂同步精美课件（人教版2019）（选择性必修第三册）

Unit 3 Environmental Protection Reading and Thinking melt ecology habitable sustain fuel comprehensive worldwide trend frequently broadcast policy footprint the way in which plants, animals, and people are related to each other and to their environment, or the scientific study of this  to make something continue to exist or happen for a period of time good enough for people to live in it changes to a liquid, usually because it has been heated. including all the necessary facts, details, or problems that need to be dealt with  a substance such as coal, gas, or oil that can be burned to produce heat or energy a general tendency in the way a situation is changing or developing everywhere in the world a way of doing something that has been officially agreed and chosen by a political party, business, or other organization very often or many times a mark made by a foot or shoe to send out radio or television programmes Matching Review some words learnt in this unit. 1. There is little doubt that Earth is getting warmer and warmer. There is little doubt... 几乎没有疑问的是…… There is no doubt that... 毫无疑问的是…… There is some doubt about sth.  对……值得怀疑 that引导同位语从句，解释说明doubt的具体内容 注意：doubt前有否定意义的词修饰时，其后的同位语从句由that引导；doubt前有肯定意义的词修饰时，其后的同位语从句由whether或if引导。 eg On the other hand, there is little doubt that people with low EQs often have problems getting on with other people. There is no doubt that computers are very useful in technology and business. There is some doubt about the best way to do it. I have some doubt whether whether he is the best man for the job. 3 The “natural” greenhouse effect refers to the fact _____ heat from the sun enters the atmosphere and warms Earth’s surface as short-wave radiation. (P26 ~ P27) that 同位语从句：大多由从属连词_____引导,常常跟在order, report, wish, decision, suggestion, belief, doubt, fact, hope, message, news等抽象名词的____，一般用来解释或说明这些名词的具体含义或内容。 that 后面 即学即用 1. They expressed the hope _______ they would come over to China soon. 2. Word has come ___