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【多选题】
人际关系确立的条件有( )
A.
B.
人际交往
C.
人际接触
D.
人的需要
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举一反三
【判断题】. 客流总是动态变化着的,所以这种动态变化是没有任何规律的。
A.
正确
B.
错误
【简答题】Book IV Unit 2 Section A Homework 1- Banked cloze Fill in the blanks by selecting suitable words from the word bank. You may not use any of the words more than once. A appreciated B context C reaction...
【多选题】下列关于水泥水化反应说法正确的是:
A.
由于铝酸三钙水化极快,会使水泥很快凝结。
B.
为使工程使用时有足够的操作时间,水泥可以中加入了适量的石膏。
C.
石膏会与水化铝酸三钙反应生成针状的易溶解于水的钙矾石。
D.
钙矾石的生成降低了水泥的水化速度,使水泥的初凝时间得以延缓。
【简答题】One day, I was working alone on the roof of a new six-story building. When I completed my work, I discovered that I had about 500 pounds of bircks left over! 36 carry the bricks down by hand I decided...
【简答题】Book IV Unit 2 Section A Homework 2- Banked cloze Fill in the blanks by selecting suitable words from the word bank. You may not use any of the words more than once. A appreciated B context C reaction...
【单选题】浙江华夏食品进出口公司海运进口风味发酵乳一批,成交价格为CFR, 运费率为5%,保费率为0.27%,成交方式栏、运费栏、保费栏应当如何填报?( )
A.
成交方式:CFR,运费:不填,保费:不填
B.
成交方式:CFR,运费:不填,保费:0.27/1
C.
成交方式:CFR,运费:5/1,保费:0.27/1
D.
成交方式:CFR,运费:5/1,保费:不填
【简答题】I went to a group activity, “Sensitivity Sunday”, which was to make us more the problems faced by disabled people. We were asked to “ a disability” for several hours one Sunday. Some members, , chose ...
【简答题】I went to a group activity, “Sensitivity Sunday” which was to make us more 36 the problem faced by disabled people. We were asked to “ 37 a disability” for several hours one Sunday. Some member 38 cho...
【单选题】下列关于水泥的水化热,说法不正确的是()。
A.
水泥的水化热是指水泥在水化过程中释放出的热量
B.
水泥的水化热与水泥矿物成分、细度、掺入外加剂品种、数量、水泥品种以及混合材料掺量有关
C.
水化热对大体积混凝土工程是有利的
D.
水化热对大体积混凝土工程是不利的
【单选题】下列关于水泥水化过程说法错误的是()
A.
硅酸盐水泥中水化速度最快的是 C 3 S
B.
水泥粉磨的越细,水化速度越快
C.
降低温度,水泥水化凝结速度越慢
D.
加入石膏可以防止产生假凝和闪凝现象
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