Thank you ______ me. [ ]
A. for help
B. for helping
C. at helping
D. to help
答案:B
A.
B.
C.
D.
以下哪项不是高钙血症的症状()
A.肌力升高
B.心律失常
C.多尿多饮
D.便秘
E.恶心、呕吐