凡属铁道部资产,涂有(),按铁道部统一规定涂打车型标记、编号的货车,统称部属货车。
参考答案:铁路路徽
The old town has narrow streets and small houses ________ are built close to each other.[ ]
A.they
B.where
C.what
D.that
如图所示,门静脉内气体的原因是()
A.憩室炎
B.最近的活检
C.静脉内进入
D.良性气肿
E.以上都不是