医学伦理学中最古老、最有生命力的医德范畴是（）。
参考答案：医疗保密
用你自己喜欢的方法画一个120°的角，并说出是哪一种类型的角？
Passage One
Which of the following statements is NOT true of the global tourism industry a. The tourism industry is undergoing restructuring in parts of the world. b. It remains thoroughly fragmented and widely distributed. c. It yields considerable annual profits. d. It creates more than 200 million jobs globally.
