侵袭性葡萄胎、绒癌病变局限在子宫()
A.Ⅰ期
B.Ⅱa期
C.Ⅲ期
D.Ⅳ期
E.Ⅱb期
参考答案:A
下列属于褶皱山的是[ ]
A.华山
B.庐山
C.泰山
D.科迪勒拉山系
He will never give up the chance to go abroad for further education _____ the situation is.
A.however
B.wherever
C.whenever
D.whatever