单项选择题

A．How grasshoppers find food.
B．How grasshoppers fight other insects.
C．How grasshoppers communicate with each other.
D．How grasshoppers escape from danger.
<上一题 目录 下一题>
热门 试题

填空题
S1. Teaching is a highly-complex occupation because________.
填空题
S5. Elementary education often relies on grouping students to________.
相关试题