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北师大2003课标版《Lesson 4 Journey to the Antarctic》优质课PPT课件下载
explore
enjoy the nature beauty
experience something unusual
challenge themselves
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2. What difficulties will people face?
storm
coldness
run out of fresh water 淡水
run out of food
equipment break down
sand storm
loneliness
fire break out
frostbite冻伤
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Prepare before class
Use the Reading Strategies to work out the meaning of the words from the text.