【多选题】我国国有土地的主要对象(客体)包括()等的土地
【判断题】为了消除恒载挠度而设置的预拱度,其值通常取等于全部恒载和一半静活载所产生的竖向挠度值。
【单选题】He wanted to see the film very much, ________he couldn’t get a ticket.
【单选题】He tried his best, but he couldn’t ________ the college entrance exams last year.
【单选题】He couldn't ( )the trip because he had no money.
【单选题】电位分析法中,最精确的参比电极为( ) A、甘汞电极 B、饱和甘汞电极 C、标准氢电极 D、银-氯化银奠极
【单选题】在浮点数机制中,判断补码规格化形式的原则是( )。
【单选题】He couldn’t _______ the meaning of the word.
【单选题】He worked late into the night yesterday. That’s ___ he couldn't get up on time this morning