【单选题】上腔静脉
B.
由左、右头臂静脉在右侧第2胸肋结合处后方汇合而成
【判断题】合谷穴处浅静脉为手背静脉网的桡侧部分,在穴区的上方走行有手背静脉网桡侧端汇集成的头静脉的起始部。
【单选题】________of both sides, the two companies decided to _______ to become more competitive in the gl
A.
20. ________of both sides, the two companies decided to _______ to become more competitive in the global market. A.For the benefit; combine
B.
In the interest; be combined
D.
With the help; be combined
【判断题】头静脉和贵要静脉分别走行在臂部内侧和外侧。
【单选题】My classmate Evan often helps me _____ my English after class.