筛查原发性肝癌的常规指标是 ()
A.AFP
B.CEA
C.CA125
D.CA15-3
E.PSA
参考答案:E
根据McCabe环路复杂性度量,程序图6-2的复杂度是 (23) ,对这个程序进行路径覆盖测试,可得到的基本路径是 (24) 。
A.A-B-C-H-I-K;A-B-C-H-J-K;A-B-C-D-E-F-G
B.A-B-C-H-I-K;A-B-C-H-J-K;A-B-C-D-E-F-G-C-H-I-K;A-B-C-D-E-G-C-H-I-K
C.A-B-C-H-I-K;A-B-C-H-J-K:A-B-C-D-E-F-G-C-H-I-K;A-B-D-E-G-C-H-J-K
D.A-B-C-H-I-K;A-B-C-H-J-K;A-B-C-D-E-F-G-C-H-I-K;A-B-C-D-E-F-G-C-H-J-K:A-B-C-D-E-G-C-H-I-K
煤粉细度。煤粉越细越好吗?为什么?