Drug use is rising dramatically among the nation’ s youth after a decade of decline. From 1993 to 1994, marijuana use among young people (1) from 12 to 17 jumped 50 percent. One in five high school seniors (2) marijuana daily. Monitoring the Future, which (3) student drug use annually, reports that negative attitudes about drugs have declined for the fourth year in a row. (4) young people see great risk in using drugs. Mood-altering pharmaceutical drugs are (5) new popularity among young people. Ritalin, (6) as a diet pill in the 1970s and now used to (7) hyperactive children, has become a (8) drug on college campuses. A central nervous system (9) , Ritalin can cause strokes, hypertension, and seizures. Rohypnol, produced in Europe as a (10) tranquilizer, lowers inhibitions and suppresses short-term memory, which has led to some women being raped by men they are going out with. (11)
A. described
B. prescribed
C. inscribed
D. instructed
{{B}}
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]下列关于图的说法中,错误的为()。
A. 点表示所研究的事物对象 B. 边表示事物之间的联系 C. 无向图是由点及边所构成的图 D. 无环的图称为简单图 [单选题]吊装起重前,起重人员( )明确分工,交代清楚。
A.不需 B.可以 C.必须 D.宜要 [单项选择]患者,男,48岁,乙肝病史18年,最近一个月以来疲乏无力,低热消瘦,肝区疼痛,并发射至肩背部,腹部逐渐增大,体检:巩膜及皮肤黄染,肝脏肿大,有压痛,移动性浊音阳性。实验室检查AFP500μg/L,应考虑的诊断是()。
A. 胆结石 B. 胰腺炎 C. 胰头癌 D. 肝硬化原发性腹膜炎 E. 原发性肝癌 [单选题]5岁男孩,在家中玩耍时突然出现呼吸困难,面部青紫,“三凹征”阳性,并听到单一高调的哮鸣音,最可能的诊断是
A.气管异物 B.急性喉炎 C.支气管哮喘 D.急性支气管炎 E.急性左心衰竭 [单选题] 2004年1月,国务院常务会议讨论通过了( ),这是国务院批准的第一个行业规划,也是截至2020年我国铁路建设的蓝图。
A.《铁路网规划》 B.《中期铁路网规划》 C.《中长期铁路网规划》 D.《远期铁路网规划》 [单选题]从党的十六大到党的十八大十年时间,我们取得一系列新的历史性成就,为全面建成小康社会打下了坚实基础。我国经济总量举超过日本,从世界第( )位上升到第二位。
A.八 B.六 C.五 D.四 [单项选择]晶形粟粒疹又称()
A. 白痱 B. 红痱 C. 脓痱 D. 深在性痱 E. 汗疹 [判断题]( )服装设计的前提条件是衣着对象,衣着场合,衣着时间,衣着目的,只有当设计范围明确后,才能进行构思设计。
A.正确 B.错误 [判断题]各种纸、笔、工具、材料等是幼儿进行绘画活动常用的材料。
A.正确 B.错误 [判断题]根据《工程建设项目勘察设计招标投标办法》(八部委2号令),勘察设计基础资料不是构成勘察设计招标文件的必要组成部分。
A.正确 B.错误 [判断题]溶剂含水量升高,选择性增加,芳烃收率增加。
[单选题]配电线路和设备的高压试验应填用( )。在同一电气连接部分,许可高压试验工作票前,应将已许可的检修工作票全部收回,禁止再许可第二张工作票。
A.高压试验工作票 B.配电第一种工作票 C.配电第二种工作票 D.带电作业工作票 [判断题]到期仍未达到任职条件的,岗级下调2岗。
A.正确 B.错误 [多选题]霍奇金淋巴瘤的肿瘤细胞包括
A.陷窝细胞 B.霍奇金细胞 C.多形性细胞 D.R-S细胞 [判断题]桥梁加载试验期间如出现不明原因的异常振动和持续异响,则应暂时停止试验,待查明原因且能保证安全的情况下,方可继续进行加载。( )
A.正确 B.错误 [单选题]可能造成柱箱温控不稳定的原因是()。
A.A,保险管熔断 B.B.测温铂电阻位置不对 C.C.温控可控硅击穿 D.D.柱箱加热丝断了 [简答题]春秋大国争霸与战国兼并战争如何区别。
[多项选择]人民法院审理行政案件,参照()。
A. 国务院部、委根据法律和国务院的行政法规制定、发布的规章 B. 国务院部、委根据国务院的决定、命令制定、发布的规章 C. 较大的市的人民政府根据法律和国务院的行政法规制定、发布的规章 D. 较大的市的人大根据法律和国务院的行政法规制定、发布的规章 [单项选择]活塞式空气压缩机的油温应控制在()以下。
A. 40℃ B. 50℃ C. 60℃ D. 70℃ [判断题]雷电时,可以在线路杆塔上作业。
A.正确 B.错误 [单项选择]
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