单项选择题

After years of ____________ bee dancing, the scientist found that the dances have certain patterns.

A．gazing
B．watching
C．observing
D．viewing
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单项选择题
My uncle was crippled in middle age in a traffic accident and had to ____________ riding.
A．give out
B．give off
C．give up
D．give in
单项选择题
The author indicated that some families
A．know clearly about the negative effects of overspending
B．spend more money on food than they would like to
C．buy a house without knowing its true value
D．have no preparation for financial emergencies
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