女,24岁,HCG阳性,咯血2天,行胸部CT扫描如图,其最可能的诊断为()
A.转移性绒癌
B.肺部感染
C.肺结核
D.肺血管瘤
E.肺淋巴管肌瘤
参考答案:A
一个IP数据包经过一台路由器转发到另一个网络,该IP数据包的头部字段中一定会发生变化的是______。
A.源IP B.协议号 C.目的IP D.TTL
—Can we go and have a drink?
—I am afraid not. We still have ______ five trees ______. [ ]
A. other; to be planted
B. another; to plant
C. another; to be planted
D. other; to plant