颅内胶质瘤中最常见的是
A．少突胶质细胞瘤
B．髓母细胞瘤
C．室管膜瘤
D．多形性胶质母细胞瘤
E．星形细胞瘤
参考答案：E
职业道德的特征包括（）。
A、鲜明的行业性
B、利益相关性
C、表现形式的多样性
D、应用效果上的不确定性
The doctors said that there was ______ wrong with Jane's legs.
They could not do ______ to help her. [ ]
A. something; something
B. something; nothing
C. nothing; anything
D. everything; something
