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【单选题】
《中华人民共和国旅游法》第四十七条规定,经营高风险旅游项目的经营者应当按照国家有关规定取得经营许可。下列旅游项目中,属于高风险项目的是( )。A.
骑自行车旅游
B.
潜水旅游
C.
体育旅游
D.
温泉旅游
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】We can conclude from the passage that in teaching the intermediate reader much attention should be paid to______.
A.
selection of reading materials
B.
teachers
C.
fluency and a wide coverage of' the language
D.
individual and graded learners
【判断题】In the intermediate run, effective GM’s must train and develop subordinates as well as formulate plans and programs that systematically improve their operational control over the hotel.
A.
正确
B.
错误
【简答题】下列各项属于人类所特有的活动的有( )
【简答题】紫外光谱仪常用的吸收池有______和______两种。______可用于紫外光区和可见光区，______用于可见光区，可见光区有时也可以用______吸收池。吸收池______加热或烘烤。
【简答题】所谓可见光是指______。
【单选题】We can conclude from the passage that in teaching the intermediate reader much attention should be paid to ______.
A.
individual learners
B.
extensive reading
C.
supplementary, graded readers
D.
both A and C
相关题目：
【简答题】紫外光谱仪常用的吸收池有______和______两种。______可用于紫外光区和可见光区，______用于可见光区，可见光区有时也可以用______吸收池。吸收池______加热或烘烤。