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【单选题】
According to a new research, dreaming about something youve learned may actually be an indicator that your memory is working overtime to retain that information. Doctors have long【B1】______the importance of a good nights rest—for everything from improving performance to【B2】______physical well being. 【B3】______this latest inquiry suggests that【B4】______sleep is beneficial, dreams may actually【B5】______whether our memories continue to work through【B6】______. In this latest research, researchers found that, after【B7】______ performing a task, study participants who took a nap and dreamt about that task【B8】______both those who hadnt slept, and those whod had a dreamless sleep or whose dreams didnt touch【B9】______the task. As part of the research, subjects were asked to study a three dimensional computer maze so that later, when they were【B10】______placed somewhere in the middle of that maze, theyd be able to find their way out. Between the initial【B11】______of the maze, and the later task, some participants were allowed to nap. Among those who rested, several had dreams that【B12】______the maze—some saying that their dreams【B13】______the music that had been playing while they studied the maze earlier, while others imagined the maze as【B14】______caves that theyd had to【B15】______through. Later, when participants were put back in the maze, those whod dreamt about it had greater【B16】______finding their way around than those who hadnt dreamt about the【B17】______, or who hadnt slept at all. The findings indicate that dreams may be a(n) 【B18】______of memory processing, and working over a problem in your sleep is a(n) 【B19】______that your brain is actively trying to【B20】______that information. The next step in the research, they say, is to examine how dreams during a full nights sleep relate to memory process. 【B1】
A.
criticized
B.
emphasized
C.
suspected
D.
entertained
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【单选题】群体决策究竟是转移到更保守还是更冒险,取决于群体成员个人在讨论前的
A.
倾向
B.
计划
C.
意思表示
D.
行为
【简答题】新型材料的研制与应用推动了现代高新技术的发展。氮化硅(Si 3 N 4 )是一种高温陶瓷材料,工业上制氮化硅的方法是:用单质硅(Si)和氮气在高温条件下反应生成氮化硅,写出该反应的化学方程式_____________,该反应的基本类型是___________反应。
【单选题】为了达成教学目的、完成教学任务,而在对教学活动清晰认识的基础上对教学活动进行调节和控制的一系列执行过程是( )
A.
教学策略
B.
教学设计
C.
教学思想
D.
教学模式
【单选题】在DreamweaverMX中,站点分为()
A.
本地网和局域网
B.
本地站点和远程站点
C.
局域网站点和远程网站点
D.
本地网和远程网
【单选题】氮化硅(Si 3 N 4 )是一种新型陶瓷材料,它可由石英与焦炭在高温的氮气流中,通过以下反应制得:3SiO 2 +6C+2N 2 Si 3 N 4 +6CO。下列叙述正确的是
A.
Si 3 N 4 的摩尔质量是154g
B.
在氮化硅的合成反应中,N 2 是还原剂,SiO 2 是氧化剂
C.
Si 3 N 4 既是氧化产物,又是还原产物
D.
1molSiO 2 发生反应, N 2 得到4mol电子
【单选题】群体决策比起单个个体决策通常倾向于更为保守或更为冒险。这一现象是()
A.
从众效应
B.
权威主宰效应
C.
系列位置效应
D.
极化现象
【单选题】教学策略是为了达到教学目的完成教学任务,而在对教学活动清晰认识的基础上对教学活动进行调节和控制的一系列执行过程,它具有的基本特征是( )
A.
客观性、综合性、可操作性
B.
外显性、整体性、灵活性
C.
简约性、客观性、整体性
D.
综合性、灵活性、可操作性
【单选题】在群体决策的过程中,人们往往会比个人决策时更倾向于冒险或保守,向某一个极端偏斜从而背离最佳决策,这称为( )。
A.
名义群体决策技术
B.
头脑风暴法
C.
群体思维
D.
群体极化
【单选题】氮化硅(Si 3 N 4 )是一种具有耐高温、耐磨蚀等优异性能的新型陶瓷.工业上可用下列方法制取氮化硅:3SiO 2 +6C+2N 2 高温 . Si 3 N 4 +6CO.有关该反应说法正确的是(  )
A.
属于置换反应
B.
属于离子反应
C.
二氧化硅作氧化剂
D.
碳单质作还原剂
【判断题】白鹤亮翅,当对方双峰贯耳向自己打过来,右臂向上、左臂向下进行分撑( )
A.
正确
B.
错误
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