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
脑结核瘤CT平扫表现为略高密度圆形病灶,可有低密度水肿带()
A.早期
B.早中期
C.中期
D.中晚期
E.晚期
We ______ to paint the whole house but finished only the front part that day.
A.set about
B.set up
C.set out
D.set down