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【单选题】
为了使图样复制和缩微摄影时定位方便,均应在图纸各边长的中点处分别画出对中符号,对中符号用( )绘制。而方向符号是用( )线绘制的( )三角形。1点画线 2粗实线 3细实线 4等腰 5等边A.
①②⑤
B.
②③④
C.
②③⑤
D.
①③④
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【单选题】We note that you wish us to insure shipment to you ()10% invoice value.
A.
within
B.
on
C.
with
D.
by
【单选题】《时速200公里铁路道岔技术条件》（暂行）规定，60-12号提速道岔尖轨非工作边与基本轨工作边的最小间距不小于（）。
A.
46ｍｍ
B.
50ｍｍ
C.
63ｍｍ
D.
70ｍｍ
【简答题】建议手写! 1. Can you name one situation when you think that grammar and vocabulary are really powerful? It can be both personal and impersonal. 2. Do you think that the son in the text is really allergic ...
【单选题】Can you understand the_________ of someone who likes to watch animals fighting each other?
A.
mood
B.
heart
C.
calculation
D.
feeling
【单选题】(47691)12 号提速道岔尖轨非工作边与基本轨工作边的最小距离为() mm ,容许误差“+”不限,“-”为 2mm 。
A.
66
B.
65
C.
62
D.
60
【单选题】We are pleased to know that you have planned to come to the Autumn Guangzhou Fair. We wish to discuss with you some other important things if you could come ______ your earliest convenience.
A.
by
B.
on
C.
in
D.
at
【简答题】If you wish us to act ______ your agent in this area. we can provide you ______ first class reference.
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