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- In the background was that eternal hum.
- The girl is gazing at herself in the mirror.
- 共用题干 Sharks Perform a Service for Earths WatersIt is hard to get people to think of sharks as anyth...
- 共用题干 More Than 8 Hours Sleep Too Much of a Good Thing1 Although the dangers of too little sleep are...
- 共用题干 Dark Forces Dominate UniverseThe earth,moon,sun and all visible stars in the sky make up less ...
- They agreed to modify their policy.
- 共用题干 Ford1 Fords great strength was the manufacturing process一not invention.Long before he started ...
- 共用题干 Black HolesMost scientists agree that black holes exist but are nearly impossible to locate.A ...
- 共用题干 Cloning（克隆）:Future Perlect?1 A clone is an exact copy of a plant or animal produced from any o...
- This table is strong and durable.