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- 共用题干 When Our Eyes Serve Our StomachOur senses arent just delivering a strict view of whats going o...
- 共用题干 第一篇More Than a Ride to SchoolThe National Education Association claims,The school bus is a mir...
- 共用题干 Why would They Falsely Confess?Why on earth would an innocent person falsely confess to commit...
- 共用题干 Earths Inner CoreScientists have long struggled to understand what lies at the planets center....
- 共用题干 Water一the Issue of This CenturyThe world is running short of freshwater. Populations are growi...
- Our aim was to update the health service,and we succeeded.
- 共用题干 Travel Across AfricaFor six hours we shot through the barren（荒芜的）landscape of the Karoo desert...
- 共用题干 Global WarmingFew people now question the reality of global warming and its effects on the wor...
- 共用题干 第二篇Where Have All the Frogs Gone?In the 1980s,scientists around the world began to notice some...