单项选择题

Why does the author mention Karl Von Frisch in the second paragraph（）

A．To make people believe his description of the beehive.
B．To introduce Karl's observation on bee behavior.
C．To contrast his theories with those of Karl Von Frisch.
D．To support the argument that bees use sunlight to navigate.

<上一题 目录 下一题>
热门 试题

单项选择题
According to the passage, sugar was used in the study to（）

A．feed the bees during the experiment
B．make the bees live in groups
C．reward the bees for good performance
D．train the bees to travel to a particular place
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.
相关试题