时间(小时) | 实测数值 | 预测数值 | 误差 |
| 0 | 12.8 | 18.6 | |
| 5 | 24.8 | 26.4 | |
| 查看答案
[判断题]用右手螺旋定则判定长直载流导线的磁场时,右手握住导线,伸直拇指,大拇指指向电流的方向,则四指环绕的方向为磁场的方向。( )
A.正确 B.错误 [单选题]制约人民群众创造历史的决定性条件是:( )
A.经济条件 B.法律制度 C.传统观念 D.文化水平 [单选题]邓小平说,社会主义最大的优越性就是( )。
* A.全心全意为人民服务 B.人民民主专政 C.共同富裕 D.消灭剥削 [单选题]尿渗透压改变可反映:( )
A.肾小管排泄功能减退 B.肾小球滤过功能减退 C.肾血流量减少 D.肾脏浓缩和稀释功能减退 E.以上都不是 [判断题]动臂式臂架主要承受轴向压力,依靠改变臂架的长度来实现塔式起重机工作幅度的改变。
A.正确 B.错误 [单项选择]
Belief We all believe in something or someone. We must believe,just as we must eat, sleep, and reproduce. Mankind has an insatiable need for and an irresistible attraction to a vast array of beliefs about gods and demons, magic and miracles, truth and falsehood, love and hate, similarity and difference. Implausible, even irrational ideas, have been cherished for centuries. Saints and other martyrs suffered indescribable pain and agony, even death, for their beliefs. Scientists have been put to death for their belief that the earth is round, or that there is an invisible force called gravity, or that the earth is not the center of the universe with the sun revolving around it, or that the blood circulates throughout the body, or that Man evolving around it, or that the blood circulates throughout the body, or that Man evolved from lower forms of life. Religious leaders have attracted millions of people with their version of how life began A. Faith. B. Trust. C. Security. D. Hope. [单选题]一只电灯与电容C并联后经开关S接通电源,当开关S断开时,电灯表现为 )。 来源:职业技能鉴定丛书220页选择题第68题)
A.一直不熄灭 B.立即熄灭 C.慢慢地熄灭 D.在开关拉开瞬间更亮一些,然后慢慢地熄灭 [单选题]高压管子或管件的对口,一般应做到内壁齐平,局部错口不应超过壁厚的 ( ),且不小于1mm。
A.5% B.10% C.15% D.20%。 [单选题]E190全经济舱型飞机旅客氧气面罩的分布为:()()
A.左2右3 B.左3右3 C.左3右2 D.左3右1 [单选题]将一段均匀的阻值为R的导线从中间对折合成一条新导线,其阻值为( ) 。
A.1/4R B.1/2R C.2R D.4R [单选题] 手电钻是用来对金属或工件进行( )的电动工具。
A.切割 B.钻孔 C.打磨 D.除锈 我来回答: 提交
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