《大学英语综合教程4课件 Unit 5 The Earth》由会员分享，可在线阅读，更多相关《大学英语综合教程4课件 Unit 5 The Earth（22页珍藏版）》请在金锄头文库上搜索。
1、Unit Five The Earth Section I Lead in Activity Discuss these questions with your classmates 1 Do you know the origin of World Earth Day 2 In what ways can we take the responsibility to protect our sole home of the earth postpone attend courage understandable 可以理解的 约会 延迟 参加 勇气 Match the words with th
2、e corresponding Chinese meaning appointment Section II Listening Activity Section II Listening Activity Useful Expression direct flight直飞once a week一周一次 in a mess一团糟work as作为 工作 keep doing一直做take a break休息一下 linear algebra course 线性代数课程 make arrangements 做安排 Section III Talking Activity Pair WorkPai
3、r Work Directions Work in pairs and look at the list of the following then make a conversation about each theme 1 How to control environmental pollution 2 Taking part in exams 3 A well balanced diet 4 Air pollution 5 Reserve a hotel room Section III Talking Activity Role Play TaskRole Play Task Work
4、 in pairs Play your roles with Sample 1 to Sample 5 Section III Talking Activity Role Play Key SentenceRole Play Key Sentence Some effective devices are so expensive that manufacturers can t even afford them 一些有效的设备如此贵以至于生产厂家负担不起 China is a developing country and needs heavy industries to increase i
5、ts GDP 中国是一个发展中国家 需要重工业来增加国内生产总值 Factories have become cleaner as the stricter law of environment pollution has been introduced 工厂变得更干净 因为更严格的环境污染法出台了 Section IV Reading Activity Text A Key WordText A Key Word highlight强调unsustainable不可持续的 reforestation重新造林ponder思索 erosion腐蚀biodiversity生物多样性 disposa
6、ble一次性的pithy简练的 commute通勤endangered濒危的 Section IV Reading Activity Text A Key Phrases and ExpressionsText A Key Phrases and Expressions point to显示economic growth 经济增长 climate change气候变化 carbon emission 碳排放 Section IV Reading Activity Text A Key SentenceText A Key Sentence Encourage them to respond a
7、nd if they have no opinions or they seem to not know much help them learn some more by imparting your environmental knowledge in a friendly and helpful manner 鼓励他们响应 并且如果他们没有想法或者是他们貌似知道得 不太多 通过将你知道的环境知识告知他们的方式友好地 有 用地帮助他们 Anything to help our environment is a perfect thing to do on Earth Day and eve
8、ry day 任何有益环境的行为都是地球日乃至每一天的最佳行为 Section IV Reading Activity Text B Key WordText B Key Word iconic符号的switch开关 sustainable可持续性的sustainability持续性 pledge保证unplug拔去插头 idle虚度microwave微波 adaptor转换器drafty通风良好的 Section IV Reading Activity Text B Key Phrases and ExpressionsText B Key Phrases and Expressions m
9、ore than超过switch off关闭 iconic building标志性建筑take place发生 Section IV Reading Activity Text B Key SentenceText B Key Sentence The aim is to highlight the charity s call on governments organizations and individuals to pledge their commitment to tackling climate change 目的是强调慈善机构的对政府 机构和个人的号召 号召他们 致力于应对气候
10、变化 If you have empty space in your freezer or deep freeze you can conserve energy by freezing used pop bottles or milk jugs of water 如果你的冰箱或者冷冻室有空间 你可以用装有冰冻的水的汽 水瓶或牛奶罐节能 Section IV Reading Activity Text C Key WordText C Key Word jittery紧张不安的mortgage抵押 aeronautics航空学calendar日历 apocalypse启示astronomy天文
11、学 paranoia偏执狂manipulate操作 odometer里程计inscription题词 Section IV Reading Activity Text C Key Phrases and ExpressionsText C Key Phrases and Expressions at least至少a pair of一对 in response to 对 作出反 应 nuclear war核战争 Section IV Reading Activity Text C Key SentenceText C Key Sentence On the other hand it is k
12、ind of depressing if you were looking forward to taking a vacation from mortgage payments to finance one last blowout 从另一方说 如果你正盼着用还房贷的钱去休假以享受最后的 聚会 那么这样的保证有点令人郁闷 To begin with astronomers agree there is nothing special about the Sun and galactic center aligning in the sky 首先 天文学家一致认为 太阳和银河系中心点在天空中连
13、成 一线没什么特别 Section V Grammar 比较比较状语从句状语从句 比较状语从句主要由以下连词引导 not as as not the same as not such as not so as than the 比较级 the 比较级 等 1 当 的时候 when 强调一件事情正在发生的时候 另外一件事情突然发生 例如 When I was watching TV my mother came back while强调两个动作同时进行 一边 一边 例如 My father is cooking while my mother is reading newspaper as随时间
14、推移 例如 As time went by the days became longer and longer Section V Grammar 比较比较状语从句状语从句 2 一 就 可以用as soon as 表示 可以用directly immediately instantly 连接两个句子 一些名词如the minute the moment the instant也可表示 还可以用句式no sooner than hardly when表示 但其后面的句子需要倒装 例如 I will write to you the moment minute I arrived in Paris
15、 3 特殊单词 by the time that every each time 使用时后面 不要再加when Section V Grammar 比较比较状语从句状语从句 4 till until 直到 肯定形式表示的意思是 做某事直至某时 动词必须是延续 性的 否定形式表达的意思是 直至某时才做某事 一般用until 动 词为延续性或非延续性都可以 例如 I slept until midnight Wait till I call you She didn t arrive until 6 o clock Until可用于句首 而till通常不用于句首 通常用于句中 例如 Until y
16、ou told me I had heard nothing of what happened Section VI Writing DiscussionDiscussion Discuss the phenomenon of the shortage of water in the world and try to find your solutions to this problem Section VI Writing WritingWriting For this part you are allowed 30 minutes to write a composition on the topic Water shortage You should write at least 120 words following the outline given below in Chinese Key points 1 水资源短缺已成为严重问题 2 造成水资源短缺的原因 3 提出合理的解决方案 Section VI Writing WritingWriting Water Shorta
