以下哪项不属于白驳风病临床表现：
A．色素脱失斑B．界限清楚C．可有皮肤萎缩D．毛发可变白E．无自觉症状
参考答案：C
The girl can _________ English and she can _________ it in English very well.[ ]
A. say, speak
B. tell, speak
C. speak, talk
D. speak, say
下面哪种情况禁用β受体阻断药：
A．快速型心律失常
B．心绞痛
C．高血压
D．甲状腺功能亢进
E．房室传导阻滞
