单项选择题

It seems that smaller ants perform more of the______.

A．construction tasks
B．domestic tasks
C．defensive work
D．heavy work
<上一题 目录 下一题>
热门 试题

单项选择题
In which way are the ants different from other non-human societies
A．They do not need to search for food.
B．They do not need to look for shelter.
C．Individuals vary in social status.
D．Individuals perform different functions.
单项选择题
The scientist's work was based on______.
A．occasional observations
B．systematic observations
C．observations of several nests
D．observations of an undisturbed nest
相关试题