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《Lesson 1 Global Warming》集体备课PPT课件优质课下载
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By 2100, the global temperature will rise by 1.4 ~ 5.8 ℃.
By 2050, 20 million Bangladeshis(孟加拉国人）will be forced to leave their homes because of climate change.
Skim the text and match the headings with the paragraphs.
Para 1.
Para 2.
Para 3.
Para 4.
Para 5.
a. The consequences of global warming.
b. What should human beings do.
c. What is global warming.
d. Draw readers’ attention to the topic.
e. The causes of global warming.
Fast-reading
Careful-reading
1.Scientists have reached __________ and believe that _______________ could be one of the biggest environmental problems in the 21st century.
global warming
consensus
2.What is global warming?
3.What should be blame for global warming?
4.What are the consequences of global warming?
5.How can we help solve the problem of global warming?
Read the text and answer these questions.
Global warming refers to _____________________________________________________________________________________________________________________.