| The worst thing about television and
radio is that they entertain us, saving us the trouble of entertaining
ourselves. A hundred years ago, before all these devices were invented, if a person wanted to entertain himself with a song or a piece of music, he would have to do the singing himself or pick up a violin and play it. Now, all he has to do is turn on the radio or TV. As a result, singing and music have declined. Italians used to sing all the time. Now, they only do it in Hollywood movies. Indian movies are mostly a series of songs and dances wrapped around silly stories. As a result, they don’t do much singing in Indian villages anymore. Indeed, ever since radio first came to life, there has been a terrible decline in amateur singing throughout the world. There are two reasons for this sad decline: One, human A. It is easier for people to please themselves with songs through TV. B. People don’t want to take the trouble to sing songs themselves. C. Amateurs feel shy if they cannot sing as well as the professionals. D. Famous and talented musicians are always willing to entertain people. [单项选择]正弦交流电压u=220sin（314t-300），则其角频率为（）。
A. 30 B. 220 C. 50 D. 100π [判断题]2.137 对摩托车和非营运小型.微型载客汽车(面包车除外)以及经省级公安机关交通管理部门备案的其他类型机动车,经检验机构检验合格后,先行远程核发机动车检验合格标志,在检验照片(视频)上传后的36小时内审查完毕.
A.正确 B.错误 [单项选择]甲状腺微灶癌其大小（）
A. <1cm B. <2cm C. 1.5cm D. 2cm E. <0.5cm [单项选择]重度营养不良患儿调整饮食，每日开始供给的热量应是
A. 40kcal/kg B. 70kcal/kg C. 50kcal/kg D. 60kcal/kg E. 30kcal/kg [填空题]牙体预备排龈时，排龈线放置时间为（）。
[单选题]关于注射用溶剂及附加剂的叙述错误的是
A.注射用油的化学检查项目有酸值、皂化值与碘值 B.常用的注射用油有麻油、茶油、花生油等 C.所谓注射剂常用附加剂就是指等渗调节剂和抑菌剂两种 D.其他注射用非水溶剂有丙二醇、聚乙二醇等 E.注射用非水溶剂应尽量选择刺激性、毒性和过敏性较小的品种 [单选题]人民法院、人民检察院和公安机关进行刑事诉讼，应当（），以保证准确有效地执行法律。
A. 分工负责，互相配合，互相牵制 B. 分工负责，相互制约，相互妥协 C. 分工负责，互相配合，互相制约 D. 分工负责，相互制约，相互利用 [单选题] 驾驶人连续驾驶不得超过多长时间?
A.4小时 B.6小时 C.8小时 D.10小时 [填空题]在工作现场需不需要穿戴呼吸保护器，穿戴何种呼吸保护器，最终应由（）根据现场工作条件来决定。
[单选题][T] 对一船油品进行取样操作如船舱数量为10个则取样数为( )
A.2 B.3 C.5 D.8 [单选题]参与公司系统所承担电气工作的外单位或外来人员应熟悉本规程，经考试合格，并经（）认可，方可参加工作。
A.相关单位分管领导 B.设备运维管理单位 C.安全监督管理部门 D.调度控制中心 [判断题]从业人员发现直接危及人身安全的紧急情况时，因撤离作业场所造成经济损失，该情况下生产经营单位可解除与其签订的劳动合同
A.正确 B.错误 [单项选择]Why is scientific training becoming less attractive to U. S. students
A. Because the U. S. students are unwilling to face the competitions between them and foreign students. B. Because it is not so rewarding in this career path as before due to the increasing amount of students. C. Because foreign students take up good position in this field for their advantage. D. Because U. S. students do not think scientific training can help them make a lot of money. [单选题]（）是现代信托的发源地。
A.英国 B.美国 C.日本 D.法国 [单项选择]主动脉瓣关闭不全时可有以下哪项周围血管征
A. 交替脉 B. 水冲脉 C. 重搏脉 D. 无脉 E. 奇脉 [单选题]以下关于UML（Unified Modeling Language，统一建模语言）的叙述中，不正确的是：（ ）。
A.UML适用于各种软件开发方法 B.UML适用于软件生命周期的各个阶段 C.UML不适用于迭代式的开发过程 D.UML是一种特殊的编程语言 [单项选择]某场地软弱土层厚20m，采用水泥土桩进行地基加固，初步方案为面积置换率m=0.2，桩径d=0.5m，桩长l=10m，水泥掺合量取18%，经计算后沉降约20cm，为将工后沉降控制在15cm以内，需对初步方案进行修改，问下列哪个选项最有效？（）
A. 提高水泥掺合量 B. 提高面积置换率 C. 增加桩长 D. 增加桩径 我来回答: 提交
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