来自核桃编程（转载）
1.单项选择题
对于每个判断题：正确 A ，错误 B 。
1\sim5\,\,\,\,\,\,\,\,CABDD
6\sim10\,\,\,\,\,\,\,\,CDBBA
11\sim15 \,\,\,\,\,\,\,\,BADAB
2.阅读程序题
16\sim20 \,\,\,\,\,\,\,\,ABABA
21\sim26 \,\,\,\,\,\,\,\,ABBABA
27\sim32 \,\,\,\,\,\,\,\,BAABCD
3.完善程序题
33\sim37 \,\,\,\,\,\,\,\,ABDCD
38\sim42 \,\,\,\,\,\,\,\,BBBBC