【单选题】—What did you give your mother on her fortieth birthday? —I gave her some flowers. The sentence structure is ______. [ ]
【简答题】从多级层次结构出发,计算机系统可以有()3种不同的设计方法。
【多选题】计算机系统设计,从多级层次结构出发,可以分为( )三种不同的设计思路
【单选题】—Did you give your father _____? —Yes, I advise him ____ smoking.
D.
any advice; to give up
【单选题】— Did you give your iPhone 6 to Mary? — __________. I just lent it to her.
【单选题】下列病毒中引起病毒性肝炎易于慢性化并占输血后肝炎第一位的是( )