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【简答题】
液体静压力沿内法线方向作用于承压面;静止液体内任意点的压力在 方向相等。
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举一反三
【简答题】二、选词填空 . prefer size final available be sure 1. I _______ to do this rather than that. 2. We have all heard! That be ______order of captain ! 3. We can not ______ what you want unless yo...
【简答题】III. Translate the following sentences into Chinese. 1. I'll show you the way on the map over there. 2. You need to exit the station to transfer to Line 2. 3. You could get there this way, but it's ne...
【单选题】下列关于蛋白质α螺旋的叙述，哪一项是错误的
A.
分子内氢键使它稳定
B.
减少R团基间的相互作用可使它稳定
C.
疏水键使它稳定
D.
脯氨酸残基的存在可中断α螺旋
E.
它是一些蛋白质的二级结构
【简答题】How do you usually spend your weekends? 2.What do you think of your personality? 3.How do you describe your hometown? 4.Can you tell me sth about your friends?
【简答题】I'll show you the way on the map over there. 2. You need to exit the station to transfer to Line 2. 3. You could get there this way, but it's nearer to go along Walt Street. 4. Can you tell me how I c...
【单选题】对 φ20钢筋,梁顶和梁底钢筋之间净距分别要求_____。
A.
梁顶 ≥ 30mm ，梁底 ≥ 30mm ；
B.
梁顶 ≥ 20mm ，梁底 ≥ 25mm ；
C.
梁顶 ≥ 30mm ，梁底 ≥ 25mm ；
D.
梁顶 ≥ 20mm ，梁底 ≥ 30mm 。
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