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【单选题】
下列片重差异超限的原因不包括A.
冲模表面粗糙
B.
颗粒的流动性不好
C.
颗粒内的细粉太多或颗粒的大小粗糙悬殊
D.
加料斗内的颗粒时多时少
E.
冲头与模的吻合性不好
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皮皮学刷刷变学霸
举一反三
【单选题】How are lifelines attached to a life float?（）
A.
By serving
B.
By splicing one end of the line around the apparatus
C.
Securely attached around the outside in bights no longer than three feet
D.
With an approved safety hook or shackle
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【简答题】为什么发展是我们党执政兴国的第一要务？
【简答题】A．He will be forgiven if he confesses to stealing the umbrella. B．He will be given a reward if he returns it. C．He will be involved in trouble if he doesn't return it. D．There is something wrong with ...
【单选题】As a boy he wanted to be a fireman. As a high school student, he thought he’d like to become a teacher. Now he______to be nothing more than a janitor.
A.
assumes
B.
prescribes
C.
aspires
D.
presumes
【简答题】A．extended B．associated C．fixed D．attached
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