结肠癌经淋巴道转移最先至()。
A.结肠旁淋巴结
B.腹股沟淋巴结
C.腹主动脉旁淋巴结
D.左锁骨上淋巴结
E.胸腔纵隔淋巴结
参考答案:A
In china, pressure of passing exams tends to cause lack of students’ creativity.
A./ ; /
B.the ; the
C.the ; /
D./ ; the
甲、乙两车同时从相距450千米的两地相向而行,3.6小时相遇,甲车每小时行65千米,乙车每小时行多少千米?