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【简答题】
A bookless life is an incomplete life. Books influence the depth and breadth of life. They meet the natural______1_____for freedom, for expression, for creativity and beauty of life. Learners, therefore, must have books, and the right type of book, for the satisfaction of their need. Readers turn______2____ to books because their curiosity concerning all manners of things, their eagerness to share in the experiences of others and their need to ____3 _____ from their own limited environment lead them to find in books food for the mind and the spirit. Through their reading they find a deeper significance to life as books acquaint them with life in the world as it was and it is now. They are presented with a __4 _____ of human experiences and come to ___5 ____ other ways of thought and living. And while ____6 ____ their own relationships and responses to life , the readers often find that the ___7__ in their stories are going through similar adjustments, which help to clarify and give significance to their own. Books provide ___8 ____ material for readers’ imagination to grow. Imagination is a valuable quality and a motivating power, and stimulates achievement. While enriching their imagination, books __9 ____their outlook, develop a fact-finding attitude and train them to use leisure ___10___. The social and educational significance of the readers’ books cannot be overestimated in an academic library. A. Abundant B. Characters C. Communicating D. Completely E. Derive F. Desire G. Diversity H. Escape I. Establishing J. Narrow K. Naturally L. Personnel M. Properly N. Respect O. Widen
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参考答案:
举一反三
【单选题】猪肾虫的感染性幼虫感染途径是经口和
A.
肝脏
B.
皮肤
C.
肾脏
D.
脾脏
【单选题】自然光以60°的入射角照射到某一透明介质表面时,反射光为线偏振光,则
A.
折射光为线偏振光,折射角为30°
B.
折射光为部分偏振光,折射角为30°
C.
折射光为线偏振光,折射角不能确定
D.
折射光为部分偏振光,折射角不能确定
【简答题】()是一种输出电压与输入电荷量成正比的前置放大器。
【单选题】电路如图所示,二瓦计功率表的接法如图所示,当Z的阻抗角为 时,W1的读数是W2读数的2倍。
A.
B.
30°
C.
60°
D.
90°
【单选题】现阶段我国少年儿童死亡的第一位死因是
A.
肺炎
B.
传染病
C.
心脏病
D.
白血病
E.
意外伤害
【单选题】电路如图所示,二瓦计功率表的接法如图所示,当Z的阻抗角为 时,两个功率表的读数相等。
A.
B.
90°
C.
-90°
D.
60°
【简答题】柱结构断面与外围饰面周长有何区别?
【简答题】(中南大学2009年考研试题)如图12—22所示对称三相电路,电源端的线电压U1=380V,R=57.16Ω,XL=11Ω,XC=一44Ω。试求:(1)各线电流;(2)用二瓦计法测量电源端的三相功率,要求功率表串在A、B两条端线上,试画出接线图;(3)若B相电容负载在“×”处发生开路,计算此时两个功率表的读数。
【单选题】自然光以60°的入射角照射到不知其折射率的某一透明介质表面时,反射光为线偏振光,则应知折射光和折射角分别为:
A.
折射光为线偏振光,折射角为30°
B.
折射光为部分俯振光,折射角为30°
C.
折射光为线偏振光,折射角不能确定
D.
折射光为部分线偏振光,折射角不能确定
【单选题】自然光以60°的入射角照射到某一透明介质表面时,反射光为线偏振光,则
A.
折射光为线偏振光,介质折射率为 1.73
B.
折射光为部分偏振光,介质折射率为 1.73
C.
折射光为线偏振光,介质折射率为 1.60
D.
折射光为部分偏振光,介质折射率为 1.60
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