有关决定膀胱肿瘤预后的主要因素（）
A.肿瘤浸润深度
B.治疗方法
C.细胞分化程度
D.性别，年龄
E.肿瘤大小
参考答案：A, B, C, D
Only after _____ did people know it was not an accident, but an attack of some kind.[ ]
A. the second tower of the World Trade Centre was hit
B. did the second tower of the World Trade Centre fall
C. was the second tower of the World Trade Centre hit
D. the second tower of the World Trade Centre was fallen
短周期金属元素甲～戊在元素周期表中的相对位置如图所示，下列判断不正确的是（ ）
A．原子半径：丙＞丁＞戊
B．金属性：甲＞丙
C．氢氧化物碱性：丙＞丁＞戊
D．最外层电子数：乙=丁＞甲=丙
ly after _____ did people know it was not an accident, but an attack of some kind.[ ]
ond tower of the World Trade Centre was fallen