The National Institute of Mental Health is conducting ______ research to determi

游客2025-05-10 1

问题 The National Institute of Mental Health is conducting ______ research to determine the psychological effects of using drugs.

选项 A、extensive
B、refined
C、prevalent
D、out-going

答案 A

解析 (extensive广泛的)。句意为：全国精神健康研究院正在开展广泛的调查从而测定吸毒的心理影响。B．refined精炼的，精制的；C．prevalent流行的，盛行的；D．out-going开朗的。

转载请注明原文地址:https://tihaiku.com/zcyy/4070849.html

相关试题推荐

随机试题

最新回复(0)

Americanliteraryhistoriansareperhaps______toviewingtheirownnationalsc