皇帝命名景点最多的旅游胜地是承德避暑山庄。( )
参考答案:对
We will lose the game unless he _____ us. [ ]
A. helps
B. helped
C. was helping
D. has helped
国际抗癌联盟(UICC)提出的食管癌TNM分期标准,下列不正确的是()。1a
A.Ⅰ期:T1N0M0
B.Ⅱa期:T2~3N0M0
C.Ⅱb期:T1~2N1M0
D.Ⅲ期:T3~4N1M0
E.Ⅳ期:T3~4N1M1