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- We must abide by the rules.
- 共用题干 Ecosystem1. The word “ecosystem” is short for ecological（生态的）system. An ecosystem is where liv...
- 共用题干 The Difference between Man and ComputerWhat makes people different from computer programs?What...
- France has kept intimate links with its former African territories.
- 共用题干 Thirst for OilWorldwide every day,we devour the energy equivalent of about 200 million barrels...
- 共用题干 The Forbidden AppleNew York used to be the city that never sleeps. These days its the city tha...
- 共用题干 Thirst for OilWorldwide every day,we devour the energy equivalent of about 200 million barrels...
- 共用题干 Ants Have Big Impact on Environment as“Ecosystem Engineers”Research by the University of Exete...
- The story was published with the sole purpose of selling newspapers.
- 共用题干 Black HolesMost scientists agree that black holes exist but are nearly impossible to locate.A ...