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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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举一反三
【多选题】维生素D的营养学功能包括
A.
调节钙磷代谢,促进钙磷在肠道的吸收
B.
促进钙磷在骨骼的沉积
C.
促进骨和软骨的正常生长
D.
促进牙齿的正常发育
【单选题】能促进钙在骨骼中沉着,从而促进骨、软骨骨化和正常生长的是
A.
维生素A
B.
维生素B
C.
维生素C
D.
维生素D
【单选题】吊移预制板式构件时,上下面吊错,构件是否可能发生破坏?
A.
B.
【简答题】80里面有( )个十。由4个十和8个一组成的数是( ) 十位数是5、个位数是0、这个数是( )。 ( )个十是100 从右边起,第一位是( )位,第( )位是十位,第三位是( )位 74前面的一个数是( )后面的一个数是( ) 按规律填数5、10、( )、( )、( ) 、( ) 长方形有( )条边、正方形...
【单选题】甲状腺滤泡旁细胞(又称C细胞)分泌的降钙素的作用
A.
抑制骨骼的吸收
B.
维持糖、蛋白、脂肪正常的代谢
C.
促进机体的正常生长发育
D.
促进细胞内的氧化作用
E.
保持机体各系统、器官的生理功能
【多选题】维生素D的生理功能
A.
促进钙、磷的吸收,维持正常血钙水平和磷酸盐水平
B.
促进骨骼与牙齿的生长发育
C.
提高机体免疫功能
D.
维持血液中正常的氨基酸浓度
【判断题】斯泰纳配方理论的依据是作物对离子的吸收具有选择性。
A.
正确
B.
错误
【简答题】某货主托运一批瓷砖,重 4538 公斤,承运人公路一级普货费率为 1.2 元 /t.km ,吨 次费为 16 元 / 吨次,该批货物运距为 36km ,瓷砖为普货三级,途中通行收费为 35 元,试计 算总运费。 某货主托运一批瓷砖,重 4538 公斤,承运人公路一级普货费率为 1.2 元 /t.km ,吨 次费为 16 元 / 吨次,该批货物运距为 36km ,瓷砖为普货三级,途中通行收费为 35...
【单选题】斯泰纳配方理论的依据是()
A.
作物吸收元素量与吸水量之比
B.
植株对不同元素的吸收量
C.
作物对离子的吸收具有选择性
【单选题】试述维生素D和钙的关系
A.
(1)钙的生理功能:构成骨骼和牙齿的成分;促进体内酶的活动;维持神经和肌肉的活动;参与凝血、激素的分泌;维持体液的酸碱平衡;调节细胞正常生理功能。
B.
(2)维生素D的生理功能:促进小肠钙吸收转运;促进肾小管对钙、磷的重吸收;对骨细胞呈多种作用;调节血钙平衡;细胞的分化、增殖和生长。
C.
(3)相辅相成。
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