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【单选题】
Through this passage, the author wants to ______.A.
show us that scientists in the past years have made a lot of misjudgments
B.
praise those scientists who dared to challenge the impossible
C.
emphasize the great potential of the scientific research made by human beings
D.
analyze what is possible and what is impossible through scientific efforts
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【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
【简答题】According to F. de Saussure, _______ refers to the actual phenomenon or data of linguistics(utterance).
【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.
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