提示慢性肺心病右心室肥大的最主要表现是
A.双肺听诊有湿哕音B.剑突下有明显搏动C.心音低钝D.心界缩小E.P2=A2
参考答案:B
_______ you have a large vocabulary, you will find it easy to read.
[ ]
A. Once
B. Before
C. Unless
D. Even though
沱茶最早产于云南()。
A、普洱
B、下关
C、重庆