单项选择题

______is known to us all is that the 2012 Olympic Games will be held in London.

A．It
B．What
C． As
D． Which
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She became the first woman to enter the school but withdrew after a few days_____stress.
A．because of
B． in spite of
C．instead of
D． In honor of
单项选择题
There is a great deal of evidence____that music activities engage different parts of the brain.
A． indicate
B． Indicating
C． indicated
D．to be indicating
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