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3.自学时间:5分钟
4.自学要求:会读,知道其汉语意思,并能
英汉互译。
【自学检测1 】
英译汉
hole_____ form _____ blanket _____
escape _____ rise _____ take away _____
the greenhouse effect ________
refer to ________
【自学指导2 】
1.自学内容:课本39页1a
2.自学方法:听录音并扫读1a。
3.自学时间:8分钟
4.自学要求:完成1b; 和1c.
【自学检测2】
听录音完成1b
1b Read 1a and complete the following tasks.
2.What does our planet mean here?
A. The sun. B. Mars.
C. The moon. D. The earth.
3.In the passage, blanket refers to ____.
A. carbon dioxide around the earth
B. the ozone layer in the sky
C. the forests around the world
D. pollution all over the world
4.The word it in Paragraph5 refers to ____.
A. CO2 B. O3 C. O2 D. H2O
5. What is the best title for this passage ?
Environment Problems B. Pollution on the Earth
C. Hope for the Future D. The Greenhouse Effect