设字段变量job是字符型的,pay是数值型的,能够表达"job是处长且pay 不大于1000元"的表达式是().
举一反三
- 设字段变量″工作日期″为日期型,″工资″为数值型,则要想表达″工龄大于30年,工资高于1500、低于1800元″这一命题,其表达式是()
- 1. Which one is better, a job with a low pay or a job with a high pay but easy to lose.
- Which one is better, a _______ job with a low pay or a job with a high pay but easy to lose A: suicide B: secure C: slow D: sufficient
- switch语句后面的表达是可以是()型或字符型表达式。
- 设d为字符型变量，下列表达式不正确的是（ ）。