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- 共用题干 Promising Resnlts from Cancer StudyA new experimental vaccine（疫苗）has shown promising results i...
- 共用题干 第二篇High Stress May Damage MemoryAccording to a report issued in May 1998,elderly people who ha...
- The odd thing was that he didnt recognize me.
- 共用题干 The Development of BalletBallet is a dance form that has a long history. The fact that it surv...
- 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 Owls and Larks1 In this article,we look at the importance of sleep for learning. Most healthy ...
- Relief workers were shocked by what they saw.
- The police believe the motive for the murder was jealousy.
- I got a note from Moira urging me to get in touch.
- 共用题干 Using HIV Virus to Cure CancerScientists are planning to use human immuno deficiency（免疫缺陷）viru...