以下不属于姑息性手术的是（）
A.肿瘤所在器官的全部或部分切除
B.肉瘤的广泛切除
C.内吻合转流术
D.血管结扎术
E.造瘘术
参考答案：B
一袋化肥原价每袋50元，降价10%后，每袋的售价应是多少钱？
I have experienced quite a number of cases ______ I really wanted to help but could not find anything
to put my hands on.[ ]
A. when
B. that
C. where
D. in that
