单项选择题

With what subject is the passage mainly concerned（）

A．The bee, a social animal.
B．Navigational techniques of bees.
C．Testing the awareness of bees.
D．The bee hive, nature's candy shop.

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单项选择题

Which of the following is the organization of the passage（）

A．Procedure is explained and its importance is emphasized.
B．Two contrasting views of a problem are presented.
C．A question is followed by a possible answer.
D．Recent experiments on bees are outlined.

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.