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【单选题】
四冲程柴油机在进气行程时进入到汽缸内的是( )。A.
空气
B.
柴油
C.
汽油
D.
可燃混合气
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反馈参考答案：
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 intelce.
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.
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