外研版初三M6U3 Language in use

Task 2: read new words
waste n.& v. 浪费 wasteful adj. 浪费的 throw away 扔掉 metal n. 金属 energy n. 能量 pollute v. 污染 pollution n.污染 recycle v.循环，再生
reader n.读者 environment n. 环境 environmental adj. 环 境的 reusable adj. 可重新利 用的 hopeless adj. 希望渺茫 的 electricity n. 电
over- overhead, os, miniskirt, minicar under- underground, underdevelop
3. 表示 “再”的前缀：
re-
rewrite, reuse, recycle
4. 表示 “向，背”的前缀：
• B: ... and everyone agrees we must be careful about( 关心 ) the environment. In fact,( 事实上 ) there are thousands of green schools in China. 这是浪费的 It's wasteful to( ) throw away( 丢掉，扔掉 ) glass, paper and metal, so every class collects reusable waste( 收集可再用的废品 ), sells it for recycling ...“ • T: Nice idea! • B: ... and raises money(筹款 ) to help students in poor areas.(在贫困地区 ) But it's not just at school, it's also at home that we save energy( 节约能源 ) and recycle ...( ) 循环再用
environment ---hope hope nation pollution seriousness ----
environmental environmentally
pollute
----
---seriously
unusualness ---waste waste
worry worry
unusually
pro- pro-Chinese, pro-American
anti- anti-war(反战), anti-pollution
5. 表示 “整个、完全” 的前缀：
al- 表示“完整，完全” ：alone, almost, over-表示“完全，全” ：overall, overflow(充满)
后缀
• • 日常口语： • 他关心你是因为他喜欢你。 • He cares about you because he cares for you.
Match the underlined words with their meanings. 1 Polluted water is not healthy. c a reusable 2 It’s something we can b uncomfortable use again. a c unhealthy 3 The water in the river d unclean was very dirty. d 4 It’s not true that we f e impossible don’t listen to students. f untrue 5 It was not possible to clean up the whole river. e 6 The people on the mountain top were not comfortable. b
-ful helpful, careful, peaceful
巩固练习
Make new words. Join the words in Box A with the parts of words in Box B. A care collect done hope possible usual used wanted waste B -able -ful im-less reun-
• B... such as turning lights off,( 关灯 ) so we don't waste electricity.“( 浪费电 ) And he finishes, "I'm hopeful that( 希望 ) if everyone thinks about( 考虑，想起 ) pollution and recycling, we can protect the air and the oceans, and help save our world. If we don't, the future is hopeless.“(希望渺茫的 ) • T: Let's ask Zhao Ming to write something
Language points: 1. “…and everyone agrees we must be careful about the environment.
• …每个人都认为我们必须谨慎地对待环境。
• 知识归纳：谨慎地对待…; 重视…; 关心
be careful about / of sth. Exercise: 1. 过马路时要注意来车。 Be careful about / of the cars when you cross the road. 2. 注意你的书写。
-er teacher, worker
-or visitor, sailor
2. 形容词变名词： -ness happiness, meanness, carelessness
-ity ability, possibility -ism Marxism, criticism
3. 名词、形容词变动词：
让我们来看一些不改变词根的基本意义， 而是改变了词性的后缀。 1. 动词变名词： -ation satisfaction, education, realization
-ment development, movement
-al arrival, refusal
-ee trainee, employee
前缀 1. 表示否定意义 “无，不”的前缀： unindisunfair, unhappy inactive, inhuman, indirect disagree, disappear impolite, impossible illegal
imil-
2. 表示程度、大小的前缀： super- superstar, supermarket, superman, superpower
wastefully worriedly
Complete the sentences with the correct form of the words in Activity 3. energetically 1 They are working very ____________ to reduce waste. 2 The situation is ________. We can’t do hopeless anything to make it better. polluted 3 The factory ________ the river, and the fish died. 4 We don’t often walk in the country. It’s a(n) ________ activity for us. unusual 5 Don’t ______. Everything will be all right. worry 6 Don’t use so much water. It’s very ________. wasteful
词的构成
在一个单词前或后加上一个词缀，就可 以构成一个新词。 根据词缀的位置， 分为前缀和后缀两种。掌握一些常见的 词缀，对单词的记忆和理解有很大的帮 助。比如：我们学会care, 就能掌握 careful, careless, carefully, carelessly。 下面我们来学习几个常见的前、后缀：
careful full of care _______________
1 can be collected __________ collectable 2 not done __________ undone 3 full of hope ____________ hopeful 4 without any hope ________ hopeless 5 not possible ___________ impossible 6 not usual ___________ unusual 7 not used ____________ unused 8 used again ___________ reused 9 not wanted ___________ unwanted 10 making a lot of waste wasteful _______
Module 6 Save our world
Unit 3
Language in use
Examples in this module
• When are you going to write about environmental education? • If we don’t, the future is hopeless. • It’s wasteful to throw away paper and metal. • Reuse means “use again”. • Every class collects reusable waste. 仔细观察标红单词的构成形式。