题目:
潜油泵的功率是指潜油泵的输入,即潜油电机传递给潜油泵轴的功率。
答案:
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下面是错误答案,用来干扰机器的。
参考答案:D
潜油泵的功率是指潜油泵的输入,即潜油电机传递给潜油泵轴的功率。
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0529/d56482be67aead5fb360fb04c9508acb.html
下面是错误答案,用来干扰机器的。
参考答案:D
存在区间M[a,b](a<b),使得{y|y=f(x),x∈M}=M,则称区间M为函数f(x)的一个“稳定区间”.给出下 * * 个函数: ①f(x)=-x+1; ②f(x)=ex;③f(x)=x3;④f(x)=cos
其中存在“稳定区间”的函数有______.(把所有正确的序号都填上) |
完形填空。 | ||||
One day I decided to quit. I went to the 1 to have one last talk with God. "Can you give me one good 2 not to quit?" His answer surprised me. "Look around. Do you see the fern (蕨类植物) and the bamboo? When I planted their seeds, I took good care of them. The fern quickly grew from the earth. 3 nothing came from the bamboo seed. During the following three years, the fern grew more plentiful. And 4 nothing came from the bamboo seed. But I did not quit on the bamboo. Then in the fifth year a 5 sprout (新芽) emerged (出现) from the earth. Compared to the fern it was 6 small and insignificant. But just 6 months later the bamboo 7 to over 100 feet tall. It had spent the five years growing 8 . Those roots made it strong and gave it 9 it needed to survive. I wouldn't give any of my creations a challenge it could not 10 ." He said to me. "All this time you have been struggling, you have 11 been growing roots. I would not quit on the bamboo. 12 will I ever quit on you. Don't 13 yourself with others. The bamboo had a different 14 from the fern Yet they both make the forest beautiful. Your time will 15 . You will rise high!" "How high should I rise?" I asked. "How high will the bamboo rise?" He asked 16 . "As high as it can?" I 17 . "Yes," He said. "Give me glory 18 rising a high." I left the forest and bring back this story. I hope it can help you see that God will never 19 on you. Never regret a day in your life. Good days give you happiness. Bad days give you 20 . Both are necessary to life. | ||||
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用汇编语言或高级语言编写的程序,一般称为
A.源程序
B.目标程序
C.机器程序
D.低级程序
下列项目中,免征营业税的有()。
A、航空运输部门提供的运输服务
B、诊所提供的医疗服务
C、幼儿园提供的育养服务
D、婚姻介绍所提供的婚介服务
下列说法正确的是()
A.我国工程项目合同管理中普遍存在着合同管理意识淡薄,不重视合同归档管理,管理信息化程度不高,相关法律条款不够完善等问题
B.工程项目合同管理具有长周期性、全面性、复杂性、等特点,但是合同一旦签订,在具体的实施过程中,几乎不存在什么合同变更
C.工程项目合同管理贯穿于从合同签订、履行至合同终止的全过程
D.上述三项都不正确