问题
单项选择题 B型题
由颈内静脉和锁骨下静脉在胸锁关节后方汇合而成()
A.头臂静脉
B.上腔静脉
C.奇静脉
D.半奇静脉
E.副半奇静脉
答案
参考答案:A
由颈内静脉和锁骨下静脉在胸锁关节后方汇合而成()
A.头臂静脉
B.上腔静脉
C.奇静脉
D.半奇静脉
E.副半奇静脉
参考答案:A
阅读理解。 | |
countries. All my friends go to Spain, and they like it very much, (2) " So he got on a plane to Spain and arrived at the airport of the capital, Madrid, and stayed in a hotel for a few days. On the first morning (3) . In England people drive on the left, but in Spain they drive on the right. Jack forgot about this, and while he was walking on a busy street, (4) . Jack lay on the ground for a few minutes and then he sat up and said, "Where am I?" (5) . When he heard Jack's words, he said to him at once, "Maps of the city, sir?" |