属于袢利尿剂的是
A．双氢克尿噻
B．速尿
C．安体舒通
D．阿米洛利
E．氨苯蝶啶
参考答案：B
Only after _____ your homework _________ watch TV.[ ]
A. have you finished; you can
B. you have finished; can you
C. have you finished; can you
D. you have finished; you can
一般来说，城市等级越高，其提供（ ）
A．服务种类越少，服务范围越小
B．服务种类越少，服务范围越大
C．服务种类越多，服务范围越小
D．服务种类越多，服务范围越大
