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- 共用题干 Earths Inner CoreScientists have long struggled to understand what lies at the planets center....
- Forester stared at his car,trembling with rage.
- 共用题干 Chimpanzees1 Chimpanzees（黑猩猩）will soon be extinct（灭绝）.If the present rate of hunting and habit...
- 共用题干 Learn about Light1 .Ancient civilizations were amazed by the existence of light for thousands ...
- 共用题干 The Difference between Man and ComputerWhat makes people different from computer programs?What...
- 共用题干 Germs（细菌）on BanknotesPeople in different countries use different types of money:yuan in China,...
- We have to wear these name tags?
- 共用题干 第一篇Is the Tie a Necessity?Ties,or neckties,have been a symbol of politeness and elegance in Br...
- 共用题干 Motion SicknessLiving in space looks like lots of fun.You can do certain things in space(like ...
- Its prudent to start any exercise program gradually at first.