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- 共用题干 ExerciseWhether or not exercise adds___1___the length of life,it is common experience that a c...
- 共用题干 Cancer Drug Trials Often Halted EarlyAn increasing number of clinical trials for new cancer tr...
- She was awarded a prize for the film.
- 共用题干 Understanding Autism1 Autism（孤独症）is a life-long developmental disability that prevents individ...
- 共用题干 Using HIV Virus to Cure CancerScientists are planning to use human immuno deficiency（免疫缺陷）viru...
- New born babies can discriminate between a mans and a womans voice.
- 共用题干 Want to Be 100? Listen to These 5 Centenarians（百岁老人）Five neighbors at a central Missouri retir...
- 共用题干 Life Expectancy in the Last Hundred YearsA hundred years ago,life expectancy in developed coun...
- 共用题干 ExerciseWhether or not exercise adds___1___the length of life,it is common experience that a c...
- At midnight,we were aroused by a knock at the door.