企鹅生存的环境是寒冷的南极冰川。 [ ]
√
Mr. Zhang is ______ English teacher. [ ]
A. she
B. her
C. she's
D. me
口述分级评分法(VRSs)是由简单的形容疼痛的字词组成,一般分为()
A.1~2或3级
B.1~3或4级
C.1~4或5级
D.1~5或6级
E.1~6或7级