What happens to her? Shes been behaving very strange_____late.
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根据陈建军教授所讲,日本整个国民文化中有一种危机意识。()
Which of the following prepositions can NOT be used in the sentence "I thought I would collapse_____lack of sleep."?
A. for
B. by
C. through
D. in
根据陈建军教授所讲,落实碳足迹理论困难在于每个人要落实到自己的行动上。()
根据陈建军教授所讲,低碳经济是寻求经济社会发展与生态环境保护双赢的一种经济发展形态。()