651829
1D
2C
3ACD
4AC
5ABD
6ABCD
7CD
√√√√×××√×√√√√×√×√√√√√√×√×√
1ABD
2AC
×√√×√√×√
第二次作业:1B,2ABCD,√√√××√√√
13/14/16/21/23/30/32CUO
369CU
2ABC
56810CUO
1B/A
2ABCD/BCD/ABD
34CUO
1A/B
2ABCD
67CUO
1B/C/D
2AD/ABCD
3CUO
1B
3-10 对对对错错对对对
3-10×√√√×√√√
1.D
2.ABC
3-4对 5-6错 7对 8错 9对 10错
1.B
2.ABCD
6-7错 其他全对
DB ACD AC ABD ABCD CD
1111222121111212111112121
ABCD AC 21121121
C ABC 11221212
A ABD 22111111
D ABD 21112111