形成肿瘤的原因是
A．某些细胞生长速度太快
B．细胞的分裂受到某种影响而失去控制
C．细胞有规律地、循序渐进地分化
D．聚集了大量的死细胞
答案：B
It’s reported that workers on London’s underground train network will go on strike（罢工）in ________ with colleagues losing their jobs at ticket offices.
A．annoyance
B．sympathy
C．companion
D．scare
苏里柯夫
