| Scientists are learning more about our
need for sleep. Most people sleep{{U}} (26) {{/U}}eight hours each
night.{{U}} (27) {{/U}}people sleep more than{{U}} (28)
{{/U}}and others sleep as{{U}} (29) {{/U}}as two or three hours each
night. Scientists do not know exactly{{U}} (30) {{/U}}some people sleep
more than others. Dr. Ernest Hartman has a (an){{U}} (31) {{/U}}about
this. He believes that the{{U}} (32) {{/U}}of sleep depends on how a
person{{U}} (33) {{/U}}problems. He said people who need only a few{{U}}
(34) {{/U}}sleep usually are people who have much energy and make good
use of{{U}} (35) {{/U}}to get their work to be done quickly.{{U}}
(36) {{/U}}he said many people who sleep longer than normal do
creative work and seem to need{{U}} (37) {{/U}}dreaming time to find
solution{{U}} (38) {{/U}}emotional problems. Som A. helping B. forcing C. requiring D. allowing [单项选择]（）戴宗冒充泰山州何处的太保去找萧让和金大坚写字和刻碑的？
A. 夫子庙 B. 岳庙 C. 天齐庙 D. 广云寺 [判断题]进行变压器的联结组别和极性试验时，检查出的联结组别或极性必须与铭牌的记载及外壳上的端子符号相符
A.正确 B.错误 [单选题] 为确保气柜运行安全,气柜入口阀门设置了温度联锁、压力联锁以关闭( )
A.气柜入口阀 B.气柜出口阀 C.气柜顶部放空 D.气柜氮气阀 [单选题]在其他站线,线路轨道静态几何尺寸容许偏差管理值中,三角坑(缓和曲线)的临时补修标准为( )mm。
A.5 B.6 C.8 D.3 [单项选择]小肠上皮细胞吸收葡萄糖是通过（）
A. Na+泵 B. Na+通道 C. Na+偶联运输 D. Na+交换运输 E. K+通道 [单选题](77355)直流电机工作在电动机状态稳定时,电磁转矩的大小由( )决定。(2.0分)
A.电压大小 B.电阻大小 C.电流大小 D.负载 [单选题]原发性腹膜炎与继发性腹膜炎的主要鉴别点是()
A.发病的年龄 B.腹痛、发热的先后顺序 C.腹腔内有无原发病灶 D.有无腹部手术史 E.腹膜刺激征的轻重 [填空题]与报警阀相连的管道，其管径应为（）mm，总长度不宜大于（）m。
[单项选择]孕妇遭受不利因素影响，如物理、药物、感染、劳累、营养缺乏等伤害，造成流产、死胎或先天畸型等，最易发生于孕后（）周内。
A. 8 B. 12 C. 16 D. 20 我来回答: 提交
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