Russia is _____ largest country in the world. [ ]
A. the
B. a
C. an
答案：A
A: Have you had breakfast, Lily?
B: No. I didn't ______ like eating anything this morning. [ ]
A. look
B. sound
C. feel
D. taste
下列哪项不属于阳黄与阴黄的鉴别要点（）
A.小便黄与不黄
B.病程短与长
C.黄色鲜明与晦暗
D.热证与寒证
E.实证与虚证
