肿瘤以下列哪项为主要特点
A．基因突变
B．蛋白质表达异常
C．细胞异常增殖
D．组织异常增生
E．以上都不是
参考答案：C
There were many more people who got injured in the big fire than ____.
A．was reported
B．it was reported
C．were reported
D．they were reported
在规定条件下，不用任何辅助引燃能源达到引燃的最低温度是( )。
A．燃点 B．闪点C．引燃能 D．自燃点
