肺转移瘤最常见的影像表现是()
A.肺内弥漫分布粟粒状影
B.多发结节影
C.弥漫蜂窝状影
D.斑片状影
E.孤立性结节影
参考答案:B
解析:肺转移瘤经血运转移的多为多发结节影。
需求法则是指在其他条件不变的情况下,价格和需求量之间呈相反方向变动的关系。()
They don’t feel safe in our town at night because it so dangerous. There’s a robbery every week now.
A.becomes
B.became
C.has become
D.had become