The music is too loud. Would you please _______ the volume?
A. turn up
B. turn in
C. turn down
D. turn off
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---I am taking my driving test tomorrow.---________!
A. Cheers
B. Good Luck
Come on
D. Congratulations
The fact ______ the seawater can’t be used for drinking is known to all.
A. which
B. of
C. that
D. what
非特异投射系统的主要功能是
A. 引起特定感觉
B. 维持和改变大脑皮层的兴奋状态
C. 协调肌紧张
D. 调节内脏功能
E. 维持机体平衡
对丘脑特异投射系统的叙述,下列哪项是错误的
A. 投射至大脑皮层特定区域,有点对点的关系
B. 主要终止于皮层第四层
C. 切断特异传导通路的动物将出现昏睡
D. 引起特定感觉
E. 能激发大脑皮层发出神经冲动