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【简答题】
Stress is what you feel when you are worried too much about something. This worry in your mind can make your body feel bad. You may feel angry, sad, scared, or afraid—all of which can give you a stomachache or a headache. Actually, there are two kinds of stress. Some kind of stress is good. Good stress might happen when you're called to answer questions in class or when you have to give a speech. This kind of stress can help you get things better done. For example, you may do a better job on your test if the stress pushes you to prepare better before the test. On the other hand, bad stress can happen if the stress lasts too long. You may not feel well if your parents are fighting. if a family member is badly ill, if you're having problems at school, or if anything else makes you unhappy every day. That kind of stress isn't going to help you. And it can actually make you sick. The best way to fight bad stress is to have a balanced life. Make sure you keep them in mind: seep, exercise. leisure(休闲) and food. If you get enough sleep and cat properly, and if you exercise and leave time for fun, you'll probably feel less stressed. Stress and Balance Good stress It might happen when you have to speak in public. It will _ 1 you get things better done. It will make you well _ _ 2 before doing your job. Bad stress It might happen if your stress _ 3 too long. It may be caused by the il l ness of a family member, problems at school, etc. It might stop you from getting your work well done. Solution The best way to cope with bad stress is to keep_ 4 of your life.
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【多选题】下列哪些反射是出生即有且短期存在的
A.
吞咽反射
B.
吸吮反射
C.
Moro反射
D.
保护性伸展反应
E.
瞳孔对光反射
【单选题】根据《工程建设项目货物招标投标办法》(七部委27号令),工程建设项目货物招标投标活动应当遵循公开、公平、公正和诚实信用的原则,货物招标投标活动()地区或者部门的限制。
A.
不受
B.
应当接受
C.
有条件的接受
D.
可以接受也可以不接受
【判断题】交流接触器的线圈可以直接接到直流电源上。
A.
正确
B.
错误
【多选题】根据《招标投标法》和《招标投标法实施条例》,关于招标项目的说法,正确的有:
A.
招标人不可以授权评标委员会直接确定中标人
B.
评标委员会成员对其评审意见承担个人责任
C.
履约保证金不得超过中标合同金额的 10%。
D.
国有资金控股的依法必须进行招标的项目,排名第一的中标候选人为中标人
E.
招标人可以与投标人就投标价格、投标方案等实质性内容进行谈判
【单选题】根据《工程建设项目货物招标投标办法》(七部委27号令),关于编制招标文件的论述不正确的是()
A.
按国家有关技术法规的规定编写技术要求
B.
明确规定是否允许中标对非主体货物进行分包
C.
对于非实质性要求和条件,不需要规定允许偏差的最大范围
D.
用醒目的方式表明实质性的要求和条件
【判断题】在添加或完全更换转向动力油液时,可以使用制动液代替动力转向液。
A.
正确
B.
错误
【单选题】图形窗口(Figure)显示网格的命令是
A.
axis on
B.
grid on
C.
box on
D.
hold on
【单选题】最常见的致心搏骤停的原因是
A.
心房扑动
B.
房室传导阻滞
C.
室上性快速性心律失常
D.
室性快速性心律失常(室速和室颤)
E.
心房颤动
【单选题】图形窗口(Figure)显示网格的命令是( )
A.
grid on
B.
box on
C.
hold on
D.
axis on
【单选题】在继电控制系统设计中,以下不是的经验设计法原则的是:
A.
尽量减少电器的种类、数量:尽量选用相同型号的、标准的器件、尽量选用经过实际考验过的线路和环节。
B.
尽量减少控制线路中电源的种类:尽可能直接采用电网电压,以省去控制变压器。
C.
正确连接触点:在控制电路中,应将所有触点接在线圈的上端,线圈的下端直接接到电源的另一根母线上。
D.
正确连接电器的线圈。在交流控制电路中不能并联两个电器的线圈。
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