设立世界遗产根本目的是 Protecting natural and cultural properties of outstanding universal value against the threat of damage in a rapidly developing world,其中文意思是 。
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【单选题】BSS 是 WLAN 网络的基本单位,包括一个基站( AP )和若干个终端( STA ),通讯必须通过 ( ) 来完成。
【简答题】阅读理解。 Betty is a lazy girl. She doesn't study very hard, and she doesn't help her mother with housework, either. 'What are you going to be when you grow up, Betty?' mother asks.' You are too lazy. No ...