以上哪项属于直肠癌的病理分型
A．鳞状细胞癌B．类癌C．大细胞癌D．髓样癌E．蕈伞型癌
参考答案：B
重大事故的应急管理是指事故发生后的应急救援活动。
The students are attracted by the () of the snow-covered mountains when they look out of the train.
A. notability
B. nobility
C. majesty
D. visibility
