【单选题】_____ do you exercise in a week? [ ]
【单选题】—How long do you think it is ________ he arrived here? —No more than half a year, Ibelieve.
【单选题】在switch语句的每个case块中,假定都是以break语句结束的,则此itch语句容易被改写为( )语句。
【单选题】—Long time no see. _____ —Very well, and you?
【单选题】— Hello! I haven't seen you for a long time. — Oh, John, ______? [ ]
【简答题】在if,while,case,do,else等关键字中,用于选择结构的有()().
【单选题】_______ tea do you drink every day? [ ]
【简答题】在if, while, case, do, else 等关键字中,用于选择结构的有( )、( )、( )。
【单选题】在switch语句的每个case块中,假定都是以break语句结束的,则此switch语句容易被改写成的语句是()。
【单选题】在switch语句的每个case块中,假定都是以break语句结束的,则此switch语句容易被改写为____语句。