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题目内容
（管理英语2）
5. The main purpose of the passage is to 回答
.
A. explain some information about ants
B. show the difference between red ants and black ants
C. convince people that ants as a group is beneficial insect
.
A. explain some information about ants
B. show the difference between red ants and black ants
C. convince people that ants as a group is beneficial insect
参考答案
