出租汽车安全带和锁扣应齐全、有效、无污渍。
参考答案:对
解析:《出租汽车驾驶员从业资格考试》第三章第二节:车辆服务要求可知,车容车貌要求,出租汽车安全带和锁扣齐全、有效、无污渍。
Only ____from university ____how difficult it was to make a good career.
A.when did I graduate; I realized
B.when did I graduate; did I realize
C.when I graduate; did I realize
D.when I graduated; did I realize
对于具有串联型分支结构的程序,如果有七个判断语句串联,则使用正交实验设计法,至少需要的测试用例数应为______。
A.23
B.24
C.25
D.27