下列哪项不属于影响脑血流量的血管活性药物（）
A.单胺类血管活性药物
B.乌拉地尔
C.硝普钠
D.可乐定
E.罂粟碱
参考答案：B
Miss Gao likes music. She spends a lot of money ______ CDs. [ ]
A. to buy
B. buying
C. buys
D. buy
中国的水资源量及其时空分布？
