关于小细胞肺癌,叙述正确的有().
A.易复发和转移
B.单一治疗效果好
C.肿瘤倍增时间短
D.对放射治疗和化学治疗敏感
E.早期易出现转移
参考答案:A, C, D, E
I agree with most of what you said, but I don't agree with _____. [ ]
A. anything
B. something
C. everything
D. nothing
图示给出温度为T1与T2的某气体分子的麦克斯韦速率分布曲线,则T1与T2的关系为:()
A.T1=T2
B.T1=T2/2
C.T1=2T2
D.T1=T2/4