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- Ice Cream Taster Has Sweet Job John Harrison has what must be the most wanted job in the Unite...
- 共用题干 The RoadrunnerThe roadrunner（走雀）lives in the desert zone of the southwestern United States and...
- The expedition reached the summit at 10:30 that morning.
- 共用题干 Health Insurance（保险）Most Americans are responsible for their own medical costs.These can be ex...
- 共用题干 Old Man Myths and Realities1 When does a middle-aged man become an old man?Officially,of cours...
- The weather is a constant subject of conversation in Britain.
- 共用题干 Promising Resnlts from Cancer StudyA new experimental vaccine（疫苗）has shown promising results i...
- 共用题干 第三篇Wayne BenoWayne Beno was a true outdoorsman.Fishing,boating,hunting,walking through the woo...
- 共用题干 Stomach UlcerStomach ulcers are the cause of severe pain for many people.Doctors have been abl...
- 共用题干 Clinical Trials1 Many clinical trials are done to see if a new drug or device is safe and effe...