关于大量临床观察结论证明洋地黄的疗效,下列哪项不正确()
A.明显减少住院
B.增加心排血量
C.提高生存率
D.明显改善症状
E.提高运动耐量
参考答案:C
I’ll never forget such a beautiful place _____ I spent my childhood there with my grandparents. [ ]
A. because
B. where
C. which
D. when
A.环境不好 B.买东西方便 C.离公司近