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1、课题：1. Scan the text below for these words and work out their meaning.consensus a remarkable concurrence of events by chancebounce move quickly up, back, or away from a surface after hittingagriculture a general agreement coincidence the science or practice of farmingcondemn the action of reserving s
2、omething reservation to recommend or support publiclysacrifice to give up (something important or valued) because of other considerations advocate sentence to a particular punishment, especially death 2. Choose the best answer to each question according to the text.1) The main purpose of the first p
3、aragraph is _.A. to introduce the topic of global warming to the readers B. to remind the readers of human activities in the pastC. to introduce the greatest trouble in the futureD. to mention the process of global warming in history2) Which of the following is TRUE about greenhouse gases?A. Greenho
4、use gases will only do us harm.B. Greenhouse gases do more harm than good to humans.C. Greenhouse gases do more good than harm to humans.D. Proper greenhouse gases are quite necessary to the earth3) Which of the following is NOT mentioned as the result of global warming?A. Typhoons. B. Serious disea
5、ses. C. Polar ice melting. D. Heat waves.3. Read the text quickly and answer the questions.1) What is global warming?2) What human activities are causing global warming?3) By how much has the global average temperature increased in the last 10 years?4)Are greenhouse gases necessary for life on Earth?5) How can we help solve the problem of global warming?6) What are the would-be consequences of global warming? 7）What will you do every day to help reduce greenhouse gases?
