单项选择题

Which of the following can be concluded from the passage（）

A．The bees are not likely to sting the scientists in the experiment.
B．Bees are unable to navigate 100 feet beyond their hive.
C．Experimenting on bees is too dangerous to be successful.
D．Bees are able to perform limited reasoning tasks.

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单项选择题

Most of parents fell embarrassed when their children graduate from high school because they can't （）

A．afford their children's college tuition
B．offer their children emotional support
C．look after their children
D．give them gifts on their birthdays

单项选择题

What else does the United Negro College Fund bring to the good students（）

A．Fame and benefit.
B．Confidence and hope.
C．Encouragement and determination.
D．Hope and opportunity.