膀胱癌的介入方法（）
A.动脉化疗栓塞
B.腔内成形术
C.腔内硬化剂治疗
D.静脉化疗
E.以上都不是
参考答案：A
用所给单词的适当形式填空。
1. If I _____(be) a scientist, I _____ (will) combine a sheep and a poatato.
2. It’s snowing today. Jenny had beter _____ (not go) out.
3. Have you ever studied _____ (clone)?
4. You and your sister look the same. I can hardly _____ (identical) you two.
5. Sam’s grandfather has been _____ (die) for many years.
建筑石膏具有下列性质中的（）
A.凝结硬化慢
B.孔吸率小
C.耐水性好
D.抗冻性好
