Ⅴ.重点句型
Without the ‘greenhouse effect’,the earth would be about thirty-three degrees Celsius cooler than it is.(P26) 如果没有这种“温室效应”,地球的温度将比现在的温度还要低33 摄氏度左右。 剖析:without短语隐含一个虚拟条件,意为“要是没有……” 同样的表达有 “but for”如: Without your help,we could not have succeeded. 要是没有你的帮助,我们是不会成功的。 But for the Captain,s effort,all the people on board would have drowned in the sea. 要是没有船长的努力,船上所有的人都将已经在海里淹死了。 ◆活学活用 模仿造句。 (1)要是没有电,很多人仍将生活在黑暗之中。
Without electricity,many people _____________ in darkness. (2)要不是你帮助我学习,我就不能通过考试了。 ____________ 答案:(1)would still live (2)But for your help in my study,I would have failed the exams. Or:Without your help in my study,I would not have passed the exam. Ⅵ.语篇领悟 根据课文The Earth is Becoming Warmer—But does It Matter?完成下列短文
There is no doubt
(1)
the earth is becoming warmer but there is fierce debate over whether it is human activity that has caused this global warming or whether it is just a natural phenomenon.
Many scientists like Dr.Janice Foster believe that people have caused the increase in the earth,s temperature
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