单项选择题


A．why
B．how
C．when
D．where
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单项选择题
Statistics is a discipline ______ all the other sciences.
A．affected
B．affecting
C．to be affected
D．being affected
单项选择题
______ left before the deadline, it doesn't seem likely that they will accomplish the project.
A．It is such a short time
B．Although such a short time
C．With such a short time
D．With so short time
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