[多选题]高速铁路轨道结构分为（）。-我要搜题网

No one would argue that children thrive when they feel respected, important, and cared for by other persons, or that they falter when they lack the self-pride and self-confidence that accompanies such approval and support. However, at the hands of educators eager to encourage lagging pupils, a myth has developed that raising youngsters’ self-esteem is a sure means of improving their levels of achievement and solving many of the nation’s social ills.
A 1990 report, for instance, proposes that "self-esteem is the likeliest candidate for a ’social vaccine’, something that empowers us to live responsibly and that keeps us from the lure of crime, teen pregnancy, and educational failure. The lack of self-esteem is central to more personal and social ills plaguing our state and nation as we approach the end of the twentieth century. "
By the 1960s, following the advent of the se

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[单选题]根据总供求模型,扩张性财政政策使产出( )
A. 增加
B.减少
C.不变
D.不确定

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[填空题]

Amongst the most popular books being written today are those which are usually{{U}} (36) {{/U}}as science fiction, Hundreds of{{U}} (37) {{/U}}are published every year and are read by all kinds d people. {{U}} (38) {{/U}}, some of the most successful films of recent years have been based on science fiction stories.
It is often thought that science fiction is fairly new development in{{U}} (39) {{/U}}, but its{{U}} (40) {{/U}}can be found in books written hundreds of years ago. Thee hooks were often{{U}} (41) {{/U}}with the{{U}} (42) {{/U}}of some form of ideal society, a{{U}} (43) {{/U}}which is still often found in modern stories.
{{U}} (44) {{/U}}. Books by writers such as Jules Verne and H.G. Wells, to mention just two well-known authors, have been translated into many languages.
Modem science fiction writers don’t write about men from Mars or space adventure stories. They are more interested in predictin

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[单项选择]从“并非不上大学，不能成才”这句话，可以推出的正确结论是( )
A. 没有上大学，就不能成才
B. 上了大学，也不能成才
C. 没有上大学，也能成才
D. 上了大学，才可能成才

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[单选题]大面积烧伤病人第1个8小时，电解质、胶体输入量为(不包括基础需水量)
A.第1个24小时总入量的1／2
B.第1个24小时总入量的1／4
C.第1个24小时总入量的2／3
D.第1个24小时总入量的3／4
E.第1个24小时总入量的1／3

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[单选题]大肠在“五化”归属于
A.生
B.长
C.收
D.藏

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[判断题]集中区调车作业，装有无线调车机车信号和监控系统（STP）设备的车站，在地面及车载设备均正常时按有关规定执行。
A.正确
B.错误

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[判断题]电动势的正方向规定为从低电位指向高电位,所以测量时电压表应正极接电源负极、而电压表负极接电源的正极。( )
A.正确
B.错误

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[判断题]作业中无论何人发出紧急信号都必须采取应急措施,停止作业。( )
A.正确
B.错误