第3部分概括大意與完成句子

23. Paragraph 2 ___B________

24. Paragraph 3 ______C_____

25. Paragraph 4 _____D______

26. Paragraph 5 ____F_______

A. Rising of sea levels

B. Impact of burning fossil fuels

C. Fast feedbacks

D. Slow feedbacks

E. Unpredictability of feedback processes

F.A prediction of future climate change

27. Arctic ice has never been melting so fastin ___D________.

28. Melting of snow and ice enables sunlightto reach ____A_______.

29. Zeebe came up with his future climateprediction by analyzing _____E______.

30.After fossil fuels are used up, globalwarming will continue for _____B______.

A. the exposed ground

B. a very long time

C. the extra heat

D. recorded history

E. previously published studies

F. rapid exaggeration of impacts

（責(zé)任編輯：vstara）

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