更多“危害健康的行为有”相关的问题
Questions 31 to 35 are based on the following passage.The most exciting kind of education is also the most personal. Nothing can exceed the joy of discovering for yourself something that is important to you! It may be an idea or a bit of information you come across accidentally—or a sudden insight, fitting together pieces of information or working through a problem. Such personal encounters are the “payoff” in education. A teacher may direct you to learning and even encourage you in it—but no teacher can make the excitement or the joy happen. That’s up to you.A research paper, assigned in a course and perhaps checked at various stages by an instructor, leads you beyond classroom, beyond the texts for classes and into a process where the joy of discovery and learning can come to you many times. Preparing the research paper is an active and individual process, and ideal learning process. It provides a structure within which you can make exciting discoveries, of knowledge and of self, that are basic to education. But the research paper also gives you a chance to individualize a school assignment, to suit a piece of work to your own interests and abilities, to show others what you can do. Writing a research paper is more than just a classroom exercise. It is an experience in searching out, understanding and synthesizing, which forms the basis of many skills applicable to both academic and nonacademic tasks. It is, in the fullest sense, a discovering, an education. So, to produce a good research paper is both a useful and a thoroughly satisfying experience!To some, the thought of having to write an assigned number of pages, often more than ever produced before, is disconcerting. To others, the very idea of having to work independently is threatening. But there is no need to approach the research paper assignment with anxiety, and nobody should view the research paper as an obstacle to overcome. Instead, consider it a goal to accomplish, a goal within reach if you use the help this book can give you.第31题：According to the writer, personal discoveries ________.A) will give one encouragement and directionB) are helpful in finding the right informationC) are the most valuable part of one’s personal educationD) will help one to successfully complete school assignments
A.TheB.AC.第31题：AccordingD.A)
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所谓悖论的抽象公式是：若事件A发生，则推导出非A，非A发生则推导出A。
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污垢、灰尘、划痕和翘曲可以使CD播放机跳道。
A.对 B.错
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按《公路工程建设项目概算预算编制办法》(JTG 3830—2018)规定计算: 项目定额直接费6514万元,直接费7685万元,定额人工费620万元,人工费1065万元,定额设备购置费3411万元,设备购置费4654万元 ,措施费589万元,企业管理费率3.254%,规费费率35.9%,计算该工程项目的建筑安装工程费()万元。
A. 15330.927 B. 15846.172 C. 14603.172 D. 14675.172
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在DCS操作系统趋势组画面上，可以（）。
A、在正常状态和笔状态切换
B、可以监视和操作过程变量
C、改变数轴放大率
D、改变时间轴量程
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空调安装时应注意的事项：（）
A.注意室内机的安装位置
B.注意室外机的安装位置
C.可以不用接排水管
D.为了省铜管，铜管的固定可根据现场拉直线的方法而不用沿着墙面固定
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一个公司的总资本是1000万元，其中有300万元的债权资本和700万元的权益资本，那么该公司的资产负债率是（ ）。
A . 25%B . 30%C . 42.86%D . 32%
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通常产品投放&63946;水线时主要依据（）档进&64008;排&63781;作业
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拉车式搬运法由一人抱住伤员腋下，另一人抱住伤员踝关节。
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从目前我国经济发展的状况看，要提高人民的生活水平，应该（）。①大力增加财政收入。②提高居民可支配收入。③提高教育收费标准。④保持物价总水平基本稳定。
A.①②
B.①③
C.②③
D.②④
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闭合性胸部损伤后出现极度呼吸困难和严重皮下气肿时首先考虑为
A.张力性气胸 B.肺损伤 C.创伤性窒息 D.多根多处肋骨骨折 E.血胸
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以资源开发、旅游合作为重点，强化与（）经济区协作，加强与民族地区在清洁能源利用、绿色产品深加工等领域合作。
A . 川南
B . 川东北
C . 成渝
D . 攀西
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微波炉使用一个( )来产生一种类似于光波形式的能量。
A．磁力开关
B．磁控器
C．磁控管
D．电子波
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GSM全球数字移动通信系统属于（）移动通信。
A.第一代
B.第二代
C.第三代
D.第四代
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最直接联系核苷酸合成与糖代谢的物质是（）。
A、葡萄糖
B、5-磷酸核糖
C、1-磷酸核糖
D、6-磷酸葡萄糖
E、1,6-二磷酸葡萄糖
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