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【多选题】
以下关于操作系统的描述中()是正确的描述。A.
操作系统是计算机软件,硬件资源的大管家
B.
操作系统是系统软件的核心
C.
操作系统的性能在很大程度上决定了计算机系统工作的优劣
D.
操作系统与硬件的联系不如应用程序紧密
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举一反三
【多选题】协议离婚的条件主要有：
A.
协议离婚的配偶双方必须均具有完全的民事行为能力。
B.
协议离婚的当事人必须就离婚以及子女的抚养、财产的分割等诸方面达成合意。
C.
当事人双方必须亲自到婚姻登记机关申请离婚登记，不得委托他人代理。
D.
双方当事人办理过结婚登记。
【简答题】车桥有 、 两种。
【单选题】听力原文：W: Stan, do you have a minute? M: Oh, hi, Cathy. Sure. What's up? W: Well, I've been meaning to talk to you about the situation in the office. M: I'm not in there very often. It's so noisy that I...
A.
There aren't enough cabinets.
B.
There is too much noise.
C.
Office supplies are taking up space.
D.
Some teaching assistants don't have desks.
【单选题】听力原文：W: Stan, do you have a minute? M: Oh, hi, Cathy. Sure. What's up? W: Welt, I've been meaning to talk to you about the situation in the office. M: I'm not in there very often. It's so noisy that I...
A.
There aren't enough cabinets.
B.
There is too much noise.
C.
Office supplies are taking up space.
D.
Some teaching assistants don't have desks.
【单选题】听力原文：W: Stan, do you have a minute? M: Oh, hi, Cathy. Sure. What's up? W: Well, I've been meaning to talk to you about the situation in the office. M: I'm not in there very often. It's so noisy that I...
A.
There aren't enough cabinets.
B.
There is too much noise.
C.
Office supplies are taking up space.
D.
Some teaching assistants don't have desks.
【简答题】两个非零向量的和仍然是一个向量。____
【简答题】根据车辆悬架类型以及传动 系 的不同 , 车桥有()、()两种分类
【简答题】小孩子的( )总是比老人要快。
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