单项选择题

Our scientific findings cannot be regarded as ______. in such a short period of time.

A．to have been obtained
B．to be obtained
C．having been obtained
D．being obtained
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单项选择题
The disappearance of her paper has never been
A．counted for
B．looked upon
C．accounted for
D．checked up
单项选择题
This ______ of public money has cast doubts on the actions of the whole top management of the corporation.
A．abuse
B．misuse
C．mistreatment
D．disoperation
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