第18题: [单项选择]如果程序中有两个判定条件,其复合条件表达式分别为(a>=3)and(b<6)和(a>0)or(c<2),则为了达到100%的判定覆盖率,至少需要设计的测试用例个数为______。 A. 1 B. 2 C. 3 D. 4 参考答案:B 答案解析:[解析] 判定覆盖就是指设计若干测试用例,运行被测程序,使得程序中每个判定的取真分支和取假分支至少评价一次。针对该题取a=3,b=5,c=1和a=-1,b=5,c=3两组测试用例即可达到100%的判定
第21题: [单项选择]Questions 19 to 21 are based on the conversation you have just heard. A. Return his books to the library. B. Take a nap. C. Study for a test. D. Go swimming. 参考答案:D 答案解析:[听力原文] What will the man probably do after the conversation [答案解析] 推断题。男士在最后一句中提到I’m going to