皮皮学，免费搜题
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搜题
【单选题】
WWW是一种建立在Internet上的全球性的、交互的、动态、多平台、分布式的图形信息系统,它的最基本的概念是( )。A.
Hypertext
B.
Text
C.
File
D.
Multimedia
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】光的微粒性由 实验证实,电子波动性由 实验证实。
【简答题】常见的触电类型有哪些?
【多选题】What benefits does the visitor information center have?
A.
Those who comes to the visitors information center provide the CVB with an additional opportunity to impress them with great customer service.
B.
Visitors also provide the CVB the chance to sell them on additional attractions.
C.
Visitors experiences they may not have considered or even known about.