单项选择题


It is easy to determine whether smoking is hazardous．

A．Right
B．Wrong
C． Not mentioned
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单项选择题
We shall keep the money in (asecure) place．
A．clean
B．secret
C．distant
D．safe
单项选择题
The great changes of the city (astonished) every visitor to that city．
A．attacked
B．surprised
C．attracted
D．interested
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