A disaster in the making.ppt [自动保存的].pptVIP

A disaster in the making Vocabulary 1.threat to 2.coral 3.reef 4.sheet 5.catastrophic catastrophy 6.carbon 7.dioxide 8.emission exhaust 9.fossil 10.fuel 11.petroleum gas 12.volcanic volcano 13.geophysical 14.dynamics 15.habitat 16.glacier 17.devastating 18.submerge 19.uninhabitable 20.doomsday doom 21.scenario Most scientists agree that global warming presents the greatest threat to the environment. （名词性从句 宾语从句） sb argue/predict/show/insist that~ Exercise 1.一些环保人士相信人类对鲨鱼是个威胁。 2. There is little doubt that the earth is getting warmer.（同位语从句） 同位语从句：“抽象名词evidence/ belief/idea/view +that” “that” 在句中不充当任何成分 Exercise 2.毫无疑问，玛丽有条件做这项工作。 There is a popular belief that~~ The view that~~ 3. In the past 100 years the oceans have risen 10 to 20 centimeters but that’s nothing compared to what would happen if, for example, Greenland’s massive ice sheet were to melt.(过去分词作状语) 并列句：由两个或两个以上简单句构成 并列句的连接词：and；but；or；for Exercise3：面对这么迫切的失业问题，许多专家提出有建设性的解决方案（confronted with） 4. Even with a small sea level rise, we are going to destroy a number of nations and cultures that have existed for thousands of years. (定语从句) 定语从句：在句中作定语，修饰名词或代词 先行词：被修饰的名词,词组或代词 关系词：who ; whom ; whose; that ;which when;where;why Exercise4：虐待年迈父母的年轻人应该受到谴责（who） Exercise5：这就是引发堕胎争论的核心（that） Exercise6：这就是为什么许多美国人反对死刑的原因（why） 5. It’s also well established that carbon dioxide in the earth’s atmosphere has increased about 30 percent, allowing the atmosphere to trap too much heat. （名词性从句 主语从句） 现在分词作状语 Exercise7：面对高度竞争，人们可能承担巨大的压力（Facing） Exercise8:因为忍受巨大的痛苦，癌症病人有时不得不服用毒品(Suffering) 6.Most scientists believe that humans, by burning fossil fuels such as coal and petroleum, are largely to blame for the increase in carbon dioxide.（宾语从句） Exercise9.气温的升高将归咎于过量排放二氧化碳。(be to blame for) 7. The current rate of warming is faster than ever before, however, which suggests it probably is not a natural occurrence.（非限制性定语从句） Exercise10：年轻一代追求奢华的