【简答题】编一个程序,输入一个整数,使用ifelse语句,如果该数大于0,则加上100,否则加上500,输出结果。
【单选题】You’d better ______ your scores and see if you have passed the exam.
【单选题】下列不属于条件分支语句的数据分析的应用场景的是( )。
【单选题】Don’t be joking. It’s time to ______ your business.
【单选题】We're learning how to_____film in the darkroom and we're also learning how to set up lights in the studio.
【单选题】Franklin ______ learning astronomy at an early age.
【单选题】you should () your reasons for canceling your purchase order.
【单选题】Try to_______ at least an hour every day for learning English.