凯恩斯货币需求函数L=L1（Y）+L2（i）中，L与收入Y和利率i的关系分别是（）。
| Every profession or trade, every art,
and every science has its technical vocabulary, the function of which is partly
to designate things or processes which have no names in ordinary English, and
partly to secure greater exactness in nomenclature. Such special dialects, or
jargons, are necessary in technical discussion of any kind. Being universally
understood by the devotees of the particular science or art, they have precision
of a mathematical formula. Besides, they save time, for it is much more
economical to name a process than to describe it. Thousands of these technical
terms are very properly included in every large dictionary, yet, as a whole,
they are rather on the outskirts of the English language than actually within
its borders. Different occupations, however, differ widely in the character of their special vocab A. Jargon is more precise and specific. B. Jargon saves time. C. Jargon is familiar to almost everybody. D. Jargon designates unusual things and processes. [单选题]在链形悬挂中，接触线通过（ ）悬挂在承力索上。
A.电连接 B.吊弦 C.定位器 D.限位定位器 [判断题]通电绕组的磁通方向可用右手定则判断。( )
A.正确 B.错误 [多项选择]在寿命周期成本评价法中，权衡分析的对象包括（）。
A. 设置费与维持费的权衡分析 B. 设置费中各项费用之间的权衡分析 C. 维持费中各项费用之间的权衡分析 D. 系统效率和寿命周期成本的权衡分析 E. 从开发系统设置完成这段时间与维持费的权衡分析 [单选题]一旦作业场所空气中的氧浓度低于标准值，就会有缺氧的危险，对人体产生危害。其中氧含量的最低允许值是（）。
A.0.195 B.0.15 C.l0% D.0.08 [单选题]在白天使用的移动停车信号是（ ）。
A.黄色圆牌 B.黄色方牌 C.红色方牌 D.绿色圆牌 [简答题]什么是锅炉？它的作用是什么？是由哪些设备系统组成的？
[单选题]气焊时一般采用是( )。
A.碳化焰 B.氧化焰 C.中性焰 [单选题]一男性患者,56岁,主因间断黑蒙伴胸闷乏力3年,加重一月入院。查体:心界不大,心率40次/分,节律不齐,双肺无啰音,双下肢无水肿该患者最佳治疗方法是
A.安置人工心脏起搏器 B.静点阿托品 C.静点异丙肾上腺素 D.应用氨茶碱 E.应用麻黄碱 [单选题] 从业人员出现危及人身安全的紧急情况时(),或者在采取可能的应急措施后撤离作业场所。
A.有权停止作业 B.报告领导 C.应继续生产作业 D.无权停止作业 [单选题]血袋有下列情形，不得取回
A.标签破损、字迹不清 B.血袋有破损、漏血 C.血液中有明显凝块 D.血浆呈乳糜状或暗灰色 E.以上均是 我来回答: 提交
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