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【单选题】
关于产品焊接试板的制作要求说法中，错误的是（）。A.
试板的原材料必须合格，且应与容器用材具有相同钢号、相同规格和相同热处理状态
B.
试板应设置在筒节纵向焊缝的延长部位，与筒节同时施焊
C.
试板应由施焊容器的焊工，采用施焊容器时相同条件与相同焊接工艺焊接
D.
试板的焊接接头经外观检查合格后应局部射线检测合格
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举一反三
【单选题】My mother ____ for Beijing in a few days. I wonder when the earliest plane ____ on Monday?A．leav
A.
18． My mother ____ for Beijing in a few days. I wonder when the earliest plane ____ on Monday? A．leaves; takes off
B.
is leaving; takes off
C.
is leaving; is taking off
D.
leaves; is taking off
【简答题】简述食品的巴氏消毒和超高温灭菌的区别。
【单选题】I wonder if this is ______ looking for.
A.
what you are
B.
what are you
C.
what
D.
you are what
【单选题】---I wonder whether I can finish the task in time. --- ____________
A.
You can do it!
B.
You needn't wonder.
C.
No wonder
D.
It's wonderful
相关题目：
【单选题】I wonder if this is ______ looking for.
A.
what you are
B.
what are you
C.
what
D.
you are what
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