对结肠癌、直肠癌最有诊断价值的是（）
A.AFP
B.CEA
C.CT
D.PSA
E.TPA
参考答案：B
I don't think she will agree with me, ______? [ ]
A.won't she
B.will she
C.does she
D.isn't she
定额分为人工消耗定额、材料消耗定额、机械台班消耗定额是按（）分类的。
A.专业
B.用途
C.编制程序
D.生产因素
