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【多选题】
应收账款变动可能的原因有( )。A.
售规模变动
B.
信用政策改变
C.
收账政策不当
D.
收账工作执行不力
E.
应收账款质量不高
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举一反三
【多选题】关于砌体的组砌，下列（ ）说法是正确的。
A.
砖砌体的转角处和交接处应同时砌筑；
B.
严禁无可靠措施的内外墙分砌施工；
C.
在抗震设防烈度为 8 度及 以上地区，对不能同时砌筑而又必须留置的临时间断处应砌成斜槎；
D.
普通砖砌体斜槎水平投影长度不应小于高度的 2/3 ；
E.
多孔砖砌体的斜槎长高比不应小于 2/3 ；
F.
斜槎高度不得超过一步脚手架的高度；
【单选题】下列关于砌体质量要求的说法正确的是_____。
A.
水平灰缝厚度一般为8-15mm,其砂浆饱满度达到80%以上
B.
灰缝应横平竖直,竖向灰缝形成垂直缝
C.
横纵墙交接处应同时砌筑,不能同时砌筑成斜槎
D.
墙体的任何部位如留斜槎有困难时,可砌成直槎,但必须做成阳槎
【简答题】“Why should I care about the environment?” some people ask. There is a very reason: We live on the earth, and it is the only place we can live on right now, as we cannot live in space yet. If w...
【简答题】E Some people have it easy. When their kids ask them what they do at work, they can give a , direct answer: “I put out fires” or “I teach primary school”. As a theoretical physicist, I never had...
【简答题】The examiner will ask you and your partner some questions. These questions will be about your daily life, past experience and future plans. For example, you may have to speak about your school, job, h...
【简答题】If you ask some people, “How did you learn English so well?” you may get a surprising answer: “In my sleep!” These are people who have taken part in one of the recent experiments (实验) to test “the lea...
【简答题】Some of the people often ask the same question the air has been polluted. A．whether B．ifC．that D．wSome of the people often ask the same question____the air has been polluted. A．whether B．if C．that D...
【单选题】下面不属于电子选针的特点的是__( )_______
A.
可以对每一枚针(或沉降片)独立进行选针
B.
不同花纹的纵行数不受限制,最多可以等于机器的总针数
C.
花纹信息是储存在控制器内存或磁盘上,容量大,针筒每转传送给各选针器的信号可以不同
D.
不同花纹的纵行数受到针踵位数或提花片片齿档数等的限制,花纹宽度受到一定的限制
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