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- 共用题干 Global WarmingFew people now question the reality of global warming and its effects on the wor...
- 共用题干 Migrant（移民的）WorkersIn the past twenty years,there has been an increasing tendency for workers ...
- 共用题干 “Liquefaction” Key to Much of Japanese Earthquake DamageThe massive subduction zone earthquake...
- 共用题干 第三篇Renewable Energy SourcesToday petroleum（石油）provides around 40% of the worlds energy needs ,...
- That performance was pretty impressive.
- 共用题干 The Smog（烟雾）For over a month,lndonesia was in crisis.Forest fires raged out of control as the ...
- 共用题干 Thirst for OilWorldwide every day,we devour the energy equivalent of about 200 million barrels...
- 共用题干 Eastern Quakes Can Trigger Big ShakesIn the first week of November 2011,people in central Okla...
- 共用题干 Sharks Perform a Service for Earths WatersIt is hard to get people to think of sharks as anyth...