Unit 4 Global warming lanuage points（学生版）

Book6 Unit 4 学案 Reading一. Preview: para.1 ______________的温度 _____________与…比较 __________发生Para.2 ______________人类活动 ___________全球变暖 ____________ 任意的现象Para.3 __________同意 ______由于 __________________化石燃料的燃烧 __________天然气 _________副产品 _____________温室效应 ____________大量的_______________趋向于…. _______上升 Para.4 __________________做出准确的测量 ______________的数量Para.5 ____________导致 _______________像…一样低/高Para.6 ______________某人的态度 __________增加了… __________导致… __________同意某人 ________....的上升 _________ …的传播 ___________反对… Para.7 ________逐渐增强 ____________即使 ________继续 _______十年 __________一百年，一个世纪 ___________ …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 pollution三．Grammar Cloze（根据课文内容完成短语）The Earth’s surface temperature has risen by about one degree Fahrenheit today. There is no doubt that the earth is becoming 1_______ (wa...