【单选题】The young man, (to make) several attempts (to beat) the world record in high jumping, (decided) to have (another try).
【单选题】在C#语言中,switch语句用()来处理不匹配case语句的值。
【单选题】We must work hard and make _______ continuous progress so that we can make _______great contribution to our country in the future.
【单选题】我校图书馆的开放时间为( )。
C.
8:00-12:00,14:20-22:00
D.
8:20-12:00,14:20-22:00
【单选题】在 C# 语言中, switch 语句用( ) 来处理不匹配 case 语句的值。
【单选题】根据GB/T4606和GB/T4607的规定,最大总质量小于或等于50t的半挂车鞍座应该选择直径为( )牵引销。