易发生瘤内出血的肿瘤有（）
A.脑膜瘤
B.垂体瘤
C.胶质母细胞瘤
D.转移瘤
E.神经纤维瘤
参考答案：B, C, D
13厘米写成分数是______米，写成小数是______米．
The young man was against ________ trees. [ ]
A. plant
B. to plant
C. planting
D. planted
