胸闷泛恶，彻夜不寐，大便秘结者，当用
A. 礞石滚痰丸
B. 半夏秫米汤
C. 琥珀多寐丸
D. 保和丸
某患者，36岁，平素性情急躁易怒，近日因工作不顺而致失眠，不思饮食，口渴喜饮，口苦目赤，小便短赤，舌红苔黄，脉象弦数。治疗选用
A. 柴胡疏肝散
B. 丹栀逍遥散
C. 黄连温胆汤
D. 龙胆泻肝汤加味
虚证不寐的病理变化，主要与下列哪项有关
A. 阴血不足
B. 气血两虚
C. 脾虚胃弱
D. 胆虚有热
Questions 16 to 19 are based on the passage you have just heard.
A. Studying abroad will be a valuable experience for the students.
B. All the students studying abroad can deal with the challenge.
C. The students should ensure whether it is a right choice.
D. Studying abroad is very appealing to the students.
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