问题
单项选择题
对胸部静脉的描述,错误的是()。
A.同侧颈内静脉和锁骨下静脉汇合形成的夹角称静脉角
B.同侧颈内静脉和锁骨下静脉汇合形成头臂静脉
C.左、右头臂静脉汇合形成上腔静脉
D.上腔静脉开口于右心室
E.半奇静脉和副半奇静脉分别沿脊柱胸段左侧上行、下降
答案
参考答案:D
对胸部静脉的描述,错误的是()。
A.同侧颈内静脉和锁骨下静脉汇合形成的夹角称静脉角
B.同侧颈内静脉和锁骨下静脉汇合形成头臂静脉
C.左、右头臂静脉汇合形成上腔静脉
D.上腔静脉开口于右心室
E.半奇静脉和副半奇静脉分别沿脊柱胸段左侧上行、下降
参考答案:D
选词填空,选择方框中单词的适当形式补全短文内容,每词限用一次. | |
building near the school gate. The (4) _____ and the teachers' offices are in the same building. There is a (5) _____ behind the building. We can borrow(借) (6) _____ from it. Next to the library is our science lab. We have (7) _____ lessons in it. We have a gym (8) _____ our school, and it is behind the science lab. There are (9) _____ trees and flowers in our school. Our school (10) _____ nice. We like it very much. |