题目
题目
单项选择题

The classification of Blank ______ drugs means that their main function is to increase the activity in the central nervous system.

选项
A.stimulant
B.opioids
C.hallucinogens
D.depressant
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思路分析
The question asks us to fill in the blank: The classification of _____ drugs means that their main function is to increase the activity in the central nervous system. Option 1: stimulants. Stimulants are defined by their pri......Login to view full explanation

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