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【简答题】
My sister and I grew up in a little village in England. Our father was a struggling lawyer, but I always knew he was special. He never criticized us, but used praise to 1 our best. He’d say, “If you pour water on flowers, they flourish. If you don’t give them water, they die.” I remember 2 a child I said something 3 about somebody, and my father said, “Any time you say something unpleasant 4 somebody, it’s a reflection of you.” He explained that if I looked 5 the best in people, I would get the best in return. From then on I’ve always tried to follow that principle in my life. Dad’s always been very 6 . At 15, I started a magazine. It was taking up a great deal of my time, and the headmaster of my school gave me a 7 : Stay in school or leave to work on my magazine. I decided to leave, and Dad tried to prevent me from my decision, as any good father would. When he realized I had made up my mind, he said, “Richard, when I was 23, my dad persuaded me to go into law. I didn’t like it. I wanted to be a biologist. But I didn’t pursue my dream. And I’ve 8 regretted it. You know what you want. Go fulfill it.” As it 9 , my little publication went on to become Student, a national magazine for young people in the U.K. My wife and I have two children, and I’d like to bring them up in the same way Dad 10 me.
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【单选题】手术前准备的最根本目的是
A.
促进切口愈合良好
B.
防止手术后感染
C.
使病人尽可能接近生理状态,提高对手术的耐受力
D.
防止术中各种并发症产生
E.
促进术后早日康复
【单选题】有人作了这样一个推理:鲁迅的著作不是一天能读完的,《龙须沟》是鲁迅的著作,所以《龙须沟》不是一天能读完的。 对于这个推理,以下哪项为真?
A.
这个推理是正确的。
B.
这个推理是错误的,因为它的前提中有一个是错误的。
C.
这个推理是错误的,因为它的结论是错误的。
D.
这个推理是错误的,因为它犯了“四概念错误”。
E.
这根本不是一个推理。
【简答题】手术前准备的最根本目的是( )
【单选题】鲁迅的著作不是一天能读完的,《龙须沟》是鲁迅的作品,所以《龙须沟》不是一天能读完的。对于上述推理,以下哪项为真?
A.
这个推理是正确的
B.
这个推理是错误的,因为它的前提中有一个是错误的
C.
这个推理是错误的,因为它的结论是错误的
D.
这个推理是错误的,因为它犯了“四概念”
【简答题】如图所示,水从槽底部沿内径为 100mm 的管子流出,槽中水位稳定。阀门关闭时测得 R=50cm , h=1.8m 。 求:(1)阀门全开时的流量 (2)阀门全开时 B 处的表压 ( 阀全开时 l e /d=15 ,入管口及出管口的阻力系数分别为 0.5 及 1.0 ,设摩擦系数λ =0.018)
【简答题】怎样编辑对象运动的路径?
【单选题】手术前准备的最根本目的是
A.
促进切口愈合
B.
防止切口感染
C.
提高病人对手术的耐受力
D.
预防术中各种并发症
E.
促进术后康复
【简答题】如图所示,水从槽底部沿内径为100mm的管子流出,槽中水位稳定。阀门关闭时测得 R=50cm,h=1.8m。 求:(1)阀门全开时的流量 (2)阀门全开时B处的表压(阀全开时le /d=15,入管口及出管口的阻力系数分别为0.5 及1.0,设摩擦系数λ=0.018)
【单选题】手术前准备的最根本目的是
A.
促进切口愈合
B.
防止切口感染
C.
提高患者对手术的耐受力
D.
预防术中各种并发症
E.
促进术后康复
【简答题】如图所示,水从槽底部沿内径为100mm的管子流出,槽中水位稳定。阀门关闭时测得R=50cm,h=1.8m。 求:(1)阀门全开时的流量 (2)阀门全开时B处的表压(阀全开时Le/d=15,入管口及出管口的阻力系数分别为0.5及1.0,设摩擦系数λ=0.018 15分 阀关时:____×1000=0.5×13600 Z A =5m 2分 (1)阀全开:对A-A和C-C截面外侧列伯努利方程: 取Zc=...
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