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The Clock That Wakes You When You Are Ready{{/B}} Are you a real grump (脾气坏的人) in the mornings Do you wake up every day feeling tired, angry and upset, and all too ready to hit the snooze (瞌睡) button If so, then a new alarm clock could be just for you. The clock, called SleepSmart, measures your sleep cycle, and waits for you to be in your lightest phase of sleep before waking you up. Its makers say that should ensure you wake up feeling refreshed (恢复精力) every morning. As you sleep you pass through a sequence of sleep states - light sleep, deep sleep and REM sleep (快速眼动睡眠) - that repeats approximately every 90 minutes. The points in that cycle at which you wake can affect how you feel later, and may even have a greater impact than how long or little yo A. students at Brown University. B. teachers at Brown University. C. sleep-deprived scientists. D. former engineers at Axon Sleep Research Laboratories. [单项选择]搜集教育评价信息的途径很多最常用的有()等。
A. 查阅文献、观察、考察、测验、调查 B. 查阅文献、观察、考察、测验 C. 观察、考察、测验、调查 D. 查阅文献、观察、测验、调查 [单项选择]高血压患者病情急骤发展,收缩压>2mmHg,舒张压≥130mmHg,头痛,视力模糊,眼底出血,持续蛋白尿及血尿,这种情况可能属于()
A. 原发性高血压 B. 继发性高血压 C. 恶性高血压 D. 高血压脑病 E. 高血压危象 [判断题]在同一张图纸内,相同比例的各图样应选用相同的线宽图。
[单选题]团体旅客要求退票时必须在开车()小时以前办理。
A.6 B.12 C.24 D.48 [单项选择]在数据库服务器中,不允许更改数据库中所有用户表中的数据的固定数据库角色是______。
A. db_owner B. db_denydatawriter C. db_datawriter D. sysadmin [单选题]()的脱轨器及引向安全线或避难线的道岔,应装设脱轨表示器。
A.非集中联锁以外 B.计算机联锁以外 C.集中联锁以外 D.继电器联锁 [填空题]磁电式仪表的( )是最脆弱的环节。
[单选题]民主革命时期,在我们党内统治时间最长、造成损失最大的“左”倾路线的代表人物是( )。
A.霍秋白 B.李立三 C.张国焘 D.王明 [简答题]一个圆上的7个点,能组成的三角形的数目与能组成的四边形的数目之比。
[单项选择]佝偻病颅骨软化多发生于()
A. 6~12个月 B. 3~6个月 C. 1~3个月 D. 12个月以上 E. 6~9个月 [简答题]开工方案应包括哪些内容?
[单项选择]《木偶奇遇记》老木匠为了让匹诺曹带上识字课本去读书,他把打满补丁的什么卖了?()
A. 外套 B. 帽子 C. 衬衫 [单选题]测量轴电压和在转动着的发电机上用电压表测量转子绝缘的工作,应使用专用电刷,电刷上应装有()以上的绝缘柄。
A.100mm B.150mm C.200mm D.300mm [单选题]党的力量来自()
A.人民 B.国家 C.组织 我来回答: 提交
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