下列哪项不符合小叶性肺炎()
A.病变属于化脓性炎症
B.病灶融合多发展为肺肉质变
C.支气管旁淋巴结常有急性反应
D.可导致支气管扩张症
E.易出现并发症
参考答案:B
The young manager is well known for his problem-solving skills, ________ is important for a successful leader.
A.it
B.that
C.what
D.which
试述调压阀的构造及功用