下述哪些指标可提示心肌缺血（）
A.ST-T
B.PAP
C.CI
D.QRS
E.RPP
参考答案：A, E
What do you think of Harbin and Qingdao in winter? I think Harbin is ______ than Qingdao.[ ]
A. interesting
B. the most interesting
C. much interesting
D. much more interesting
有关iPhoneOS描述正确的是？（）
A、目前最新版本是iPhoneOS4.0
B、可通过iTunes进行更新
C、支持的应用程序已经超过15万个
