下列哪项CT表现提示有结节病的可能()
A.肺内浸润阴影
B.肺内孤立空洞
C.双肺门淋巴结显著增大
D.胸腔积液
E.气胸
参考答案:C
—What's Tom doing?
—He is ______ his keys. [ ]
A. looking at
B. looking for
C. waiting for
D. working for
有关附或有条件债务重组中,计算未来应收金额时应包含或有收益。( )