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【单选题】
历史经验告诉我们,共同的价值观是一个民族共同体存在和发展的思想基础,核心价值观是凝聚一个民族的精神力量,是整合民族国家内部的根本要素,它( )着一个民族、一个国家发展进程。 A.引领A.
伴随
B.
影响
C.
支撑
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【单选题】---Lucy, what were you doing at nine last night? ---I ________ the piano. I usually practice the piano at that time.
A.
play
B.
played
C.
was playing
D.
are playing
【单选题】听力原文：M: Lucy, could you describe what you were doing at the moment? W: Well, I was still sleeping at 6 o'clock. Then there was this horrible sound and the floor was just bouncing and rolling like wave...
A.
A snowstorm.
B.
An earthquake.
C.
A traffic accident.
D.
A hurricane.
【单选题】提升创新能力的方法中,以一个预定事物为中心,依次与罗列的个元素一一组合构成联想点的创新技法叫( )。
A.
焦点法;
B.
缺点列举法;
C.
希望点列举法;
D.
成对列举法。
【简答题】（13）4个CIDR地址块172.1.12.0/24、172.1.13.0/24、172.1.14.0/24和172.1.15.0/24可以聚合成以下哪一个CIDR地址块（）。
【单选题】听力原文：M: Lucy, could you describe what you were doing at the moment ? W: Well I was still sleeping at 6o'clock. Then there was this horrible sound ad the floor was just bouncing and rolling like waves,...
A.
A snowstorm.
B.
An earthquake.
C.
A traffic accident.
D.
A hurricane.
【单选题】下列哪种说法是正确的( )
A.
对流传热就是热对流
B.
对流传热系数h的确定难度较大
C.
同种流体自然对流的h比强制对流大
D.
换热表面的几何因素并不影响对流传热
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