[单选题]中和池内投加浓硫酸调整PH在（），通过进水渠分配至各个气浮滤-我要搜题网

[单项选择]The American need to own things is partly the result of mass advertising, (26) urges consumers to discard last year’ s car or clothing in (27) of the current models with the latest designs. Some people are (28) that they must" (29) the Jones," that they must have whatever their neighbors have. The old car or the old stereo set (30) work perfectly, but a newer and bigger one might (31) the family’ s esteem in the community. Possessions become (32) of financial success; they elevate (33) social status.
Advertisers also (34) to the American desire to look youthful and be physically attractive. Commercials attempt to sell many products—shampoo, toothpaste, deodorant and soap, for example— (35) implying that their particular (36) will help its user be more appealing.
But Americans also make many (37) for practical reasons. They buy (38) devices to do rou
A. at
B. to
C. by
D. of

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[填空题]一般纳税人提供人力资源外包服务，可以选择适用简易计税方法，按照（）的征收率计算缴纳增值税。

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[填空题]电流的方向规定为（）运动的方向。

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[判断题]低温镀铁工艺的优点之一是镀液温度低，一般为（）℃。
A.正确
B.错误

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[填空题]Natural gas is mainly made up of methane and other hydrocarbon gasses.

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[判断题]三相电路中,相电压就是相与相之间的电压。
A.正确
B.错误

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[判断题]考虑上、下级电流保护灵敏度配合要求,定时限电流保护的动作电流,应满足I1<12<1B。( )
A.正确
B.错误

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[填空题]《铁路旅客运输服务质量规范》规定，列车服务备品、材料等符合国家()，质量符合要求，色调与车内环境协调。

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[判断题]对发展中国家而言，经济发展速度越快越好。 ( )

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[简答题]十八大报告指出什么是加快转变经济发展方式的关键？

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[多项选择]岩石压缩全应力应变曲线反映的岩石物理力学性质特点包括（　）。
A. 当岩石所受作用力相对不大时，可以将岩石视为刚性材料
B. 岩石在加载过程中不断有微破裂出现
C. 到极限强度后，岩石承载能力没有消失
D. 在有围压时，可以提高岩石的强度但对岩石的脆性没有改善
E. 软化段岩石的承载能力随变形增加会不断降低

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[判断题]每个站都有四个紧停按钮分别位于站台的上下行的头端、尾端（）
A.正确
B.错误

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[判断题]较大事故是指造成5人以上10人以下死亡，或者10人以上50人以下重伤，或者 1000万元以上5000万元以下直接经济损失的事故。
A.正确
B.错误

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[单选题]事故预防措施应坚持 ( ) 的原则。
A.低成本高效益
B.只考虑成本
C.只考虑效益
D.高成本低效收益

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[单项选择]

There is one thing that everyone wants more than anything else. Some people try to get it by making money. They think that when they have enough money to buy such things as houses, farms, and cars, they will have the one thing that everyone wants.
Other people believe that if they know enough they will find this thing. They study all their lives in search of it. Still others think that if they have power, they will find this thing. They keep telling themselves: when I am a boss, I will no longer have to search for this thing.
What is it that everyone wants more than anything else What is it that all of us keep working and striving for each day It is happiness.
Happiness is a strange thing. It does not mean the same to all men. What will make one man happy may not make another man happy. Some men say that happiness comes from helping others; other men say that happiness comes from making life more pleasant for everyone. What do you mean when you say "T
A. happiness
B. the preceding sentence
C. money
D. such things as house, farms and cars

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[单选题]偏压隧道靠山一侧应加强支护，每次开挖进尺不得超过两榀钢架间距，并应及时封闭。
A.是
B.否

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[单选题]某企业为增值税一般纳税人，2020年6月该企业销售旧设备一台，取得含税收入67.8万元，该设备2015年购进时取得了增值税专用发票，注明价款750万元，已抵扣进项税额。该企业销售此设备应纳增值税（　）万元。
A.0
B.1.2
C.7.8
D.9.35

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[判断题]366.三显示自动闭塞区段通过色灯信号机没有一个绿色灯光和一个黄色灯光的显示。 (J419)
A.正确
B.错误

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[单选题]当电能量远方终端与电能表通信中断后，终端内的电量数据( )。
A.丢失
B.此后的数据为零
C.保持中断前最后采集到的数据
D.不确定

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[单项选择]铁板铰链与其他铰链的区别在于铰链两个部分可以( )，分别装在门扇及门樘上，门扇可拆卸下来。
A. 脱开
B. 安装
C. 交换
D. 交叉

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[单选题]对收肌管的描述，正确的是 ( )
A.上口接股三角底
B.下口通血管腔隙
C.管的外侧壁为股外侧肌
D.后壁为股薄肌
E.管内有隐神经、股动脉、股静脉通过