膀胱肿瘤的分期标准是根据（）
A.肿瘤大小
B.肿瘤侵犯膀胱壁的深度
C.临床症状
D.肿瘤部位
E.有无肾积水
参考答案：B
Tom's parents were not happy about his grade in the examination, _____. [ ]
A. he himself was neither
B. neither was he himself
C. he himself was either
D. either was he himself
胸腔积液病人（）
A.被动体位
B.强迫体位
C.强迫患侧卧位
D.强迫仰卧位
E.辗转体位
