Unit 4 Global warming lanuage points（教师版）

Book6 Unit 4 学案 Reading一. Preview: para.1 the temperature of…的温度 compared with 与…比较 come about 发生Para.2 human activity 人类活动 global warming 全球变暖 a random phenomenon 任意的现象Para.3 subscribe to 同意 due to 由于 the burning of fossil fuels 化石燃料的燃烧 natural gas 天燃气 byproduct 副产品 greenhouse effect 温室效应 quantities of 大量的tend to do sth 趋向于…. go up 上升 Para.4 make accurate measurements 做出准确的测量 the amount of…..的数量Para.5 result in 导致 be as low/high as…像…一样低/高Para.6 the attitude of sb 某人的态度 increase by…增加了… lead to sth 导致… agree with sb 同意某人 a rise of …的上升 the spread of …的传播 be opposed to 反对… Para.7 build up 逐渐增强 even if/though 即使 keep on 继续 a decade 十年 a century 一百年，一个世纪 the effect of …的影响二．Choose the best answer.1. Which of the following statements is NOT true according to the text?A. Everyone believes that global warming is caused by the activities of humans.B. Carbon dioxide is a byproduct of burning fossil fuels.C. Natural gas is a greenhouse gas.D. Janice Foster believes that global warming is caused by burning fossil fuels.2. Which of the following is Dr Janice Foster’s opinion?A. The result of the temperature increase will be serious.B. The amount of warming is nothing serious.C. We needn’t worry about high levels of carbon dioxide.D. Global warming is a natural phenomenon.3. Who found out the amount of carbon dioxide in the atmosphere from 1957 to 1977?A. Dr. Janice Foster. B. Charles Keeling.C. George Hambley. D. Sophie Armstrong.4. What is the main topic of the article?A. Greenhouse gases B. Greenhouse effect C. Global warming D. Environmental pollutionDABC三．Grammar Cloze（根据课文内容完成...