拌和站的生产场地必须进行（）处理。A.砂浆硬化； B.夯实硬化； C.碾压硬化； D

发布时间：2017-09-26 02:59 │ 来源：www.tikuol.com

题型：单项选择题

问题：

拌和站的生产场地必须进行（）处理。

A.砂浆硬化；

B.夯实硬化；

C.碾压硬化；

D.混凝土硬化.

考点：拌和站操作员拌和站操作员题库

题型：单项选择题

（1）将等体积等物质的量浓度的醋酸和氢氧化钠溶液混合后，溶液呈（填“酸性”，“中性”或“碱性”，下同），溶液中c（Na⁺） c（CH₃COO^-）（填“＞”或“=”或“＜”，下同）．

（2）pH=3的醋酸和pH=11的氢氧化钠溶液等体积混合后溶液呈．

（3）物质的量浓度相同的醋酸和氢氧化钠溶液混合后，溶液中醋酸根离子和钠离子浓度相等，则混合后溶液呈，醋酸体积氢氧化钠溶液体积．

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题型：单项选择题

关于缩小贫富差距和收入分配改革的话题成了中国社会的聚焦领域。中国官媒坦言，目前收入差距过大已是不争的事实，收入差距已接近社会所能忍受的“红线”，分配不公已成为中国经济社会向前发展的一大障碍，“分好蛋糕促和谐”势在必行。

（1）目前收入差距过大已是不争的事实，“分好蛋糕促和谐”势在必行。国家应如何解决收入差距过大的问题？

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（2）我国更加注重收入分配公平有何重要意义？

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题型：单项选择题

如图所示，当开关S闭合时，滑动变阻器的滑片P向左移动时，电压表的示数变化情况和电磁铁的磁性强弱变化是

[ ]

A.电压表示数变小，电磁铁磁性变弱

B. 电压表示数变大，电磁铁磁性变弱

C. 电压表示数变小，电磁铁磁性变弱

D. 电压表示数变大，电磁铁磁性变强

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题型：单项选择题

King's College Summer School
King's College Summer School is an annual training program for high school students at all levels who want to improve their English. Courses are given by the teachers of King's College and other colleges in New York. Trips to museums and culture centers are also organized. This year's summer school will be from July 25 to August 15.
More information is as follows:

Application date Students in New York should send their applications before July 18, 2007.  Students of other cities should send their applications before July 16, 2007.  Foreign students should send their applications before July 10, 2007.	Courses  English Language Spoken English: 22 hours Reading and Writing: 10 hours  American History: 16 hours  American Culture: 16 hours
Steps  A letter of self-introduction  A letter of recommendation ﹡ The letters should be written in English with all the necessary information.	Cost  Daily lessons: $200  Sports and activities: $100  Travels: $200  Hotel service: $400 ﹡You may choose to live with your friends or relatives in the same city.
Please write to: Thompson, Sanders 1026 King' s Street New York, NY 10016, USA E-mail: KC-Summer-School@ yahoo, com