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【单选题】

在计算机系统中,操作系统是( ).


A.
核心系统软件
B.
一般应用软件
C.
用户应用软件
D.
系统支撑软件
手机使用
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【多选题】下列哪些科学家在相对论和量子力学方面有重要贡献?
A.
普朗克
B.
爱因斯坦
C.
海森伯
D.
薛定谔
E.
法拉第
F.
牛顿
G.
高斯
【简答题】完形填空 Patty got home after school as usual. She walked in, went to the sofa and sat down, looking at the 1 . “What's wrong with you?” asked Kathy ,her elder sister. “ 2 ”· Kathy was a thoughtful high s...
【简答题】刻有《汉穆拉比法典》文字的石碑目前收藏在 。
【简答题】I know you mean well, but I can m_____ by myself.
【单选题】锐角是第几象限角 ?
A.
B.
C.
D.
【简答题】Well,I know that you mean_______.
【简答题】常人平缓脉的脉象特征为_____,_____。
【单选题】听力原文:M: I'm glad that's over. W: I know what you mean. History's not like math—you always feel like you could have said a little bit more to answer the question. M: So, how do you think what you did? ...
A.
They were responding to an oral interview.
B.
They were making outlines of their essays.
C.
They were answering several history questions.
D.
They were evaluating each other's answer.
【简答题】I don't know the words. Well, you understand what these different ______mean.
【简答题】口算、估算我最棒。 70×20= 66×20= 19×19≈ 44×30= 34×30= 21×83≈ 29×30= 40×17= 79×61≈
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