皮皮学，免费搜题
登录
搜题
【多选题】
过已知点作水平线的垂直线需要的作图工具有( )A.
丁字尺和三角板
B.
一个直尺
C.
两个三角板
D.
一个三角板
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
【判断题】Data de-identification, the removing of personal identifiers, has been suggested as a potential path to reconcile data sharing & privacy demands.
A.
正确
B.
错误
【单选题】During the World War I, psychologist Robert Woodworth de signed the Personal Data Sheet to help detect soldiers who had an especially high level of intelligence.
A.
Y
B.
N
C.
NG
【单选题】听力原文： A new data shows nations in every part of the world, 51 in all, are suffering declining life expectancies because of an increasing prevalence of HIV infection. The impact is occurring in Asia, L...
A.
Latin America.
B.
Sub-Saharan Africa.
C.
Asia.
D.
The Caribbean.
【简答题】data / ˈ deɪtə; ˈ d ɑː tə/ n.
相关题目：