单项选择题

29.国有旅游景区应于( )年底前全部提供在线预约预订服务。 A.
2021年 B.
2022年 C.
2023年 D.
2024

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D.intention
A.target
B.destination
C.terminal
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In this part you are to write a composition of no less than 120 words about Who and How to Take Care of the Seniors? You should write according to the clue given below. Remember to write the composition on the COMPOSITION SHEET.China's aging population is increasing. We are faced with the problem of who and how to take care of the seniors. (敬老院: Home for the Seniors; 独生子女政策: one-child policy; 独生子女: only child)
A.
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