单项选择题

Our direct contact with plants grows with the process of industrialization.

A． Right
B． Wrong
C． Not mentioned
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单项选择题
People cannot survive without plants.
A． Right
B． Wrong
C． Not mentioned
单项选择题
Tribes living today in the jungle of the Amazon teach botany to their children at school.
A． Right
B． Wrong
C． Not mentioned
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