单项选择题

房室结位于（）
A、上腔静脉与右心房交界处心外膜深面
B、房间隔下部，冠状窦口前上方的心内膜深面
C、房间隔下部，冠状窦口前下方的心内膜深面
D、房间隔上部，冠状窦口前上方的心内膜深面
E、右心室前乳头肌根部的心内膜深面

你可能感兴趣的试题

单项选择题

2000年世界银行提出“增长的质量”框架，请问以下何哪个选项不是导致增长的因素？

A．人力资本
B．社会资本
C．物质资本
D．自然资本

单项选择题

Which of the underline expressions is the hedging of the following sentences.
For example, it may be necessary for the spider to leave the branch on which it is standing, climb up the stem, and walk out along another branch.

A． For example, it may be necessary for the spider to leave the branch on which it is standing, climb up the stem, and walk out along another branch.
B． For example, it may be necessary for the spider to leave the branch on which it is standing, climb up the stem, and walk out along another branch.
C． For example, it may be necessary for the spider to leave the branch on which it is standing, climb up the stem, and walk out along another branch.
D． For example, it may be necessary for the spider to leave the branch on which it is standing, climb up the stem, and walk out along another branch.