裂隙灯显微镜检查时最常用的照明方法为
A．镜面反光照明法
B．弥散光照明法
C．角巩膜缘分光照明法
D．直接焦点照明法
E．后部反光照明法
参考答案：D
— What do you think of the lecture made yesterday?
— Excellent! _______ you missed such a wonderful lecture?[ ]
A. How is it that
B. Why it was that
C. How was it that
D. When was it that
下列哪种疾病可引起高输出量性心力衰竭？（）
A.维生素B1缺乏症
B.冠心病
C.肺源性心脏病
D.风湿性心脏病
