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【多选题】
可能导致汽缸体产生裂纹的原因有()A.
发动机处于高温状态时突然加入大量冷水
B.
镶换汽缸套时,选择过盈量过大或压装工艺不当
C.
拆卸汽缸盖螺栓的顺序错误
D.
曲轴高速转动时产生的振动
E.
在冬天及寒冷地区未加往防冻液
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【单选题】In the beginning, auto components were all made _____ hand.
A.
on
B.
with
C.
by
D.
in
【简答题】服务的（ ）特征表明，顾客只有而且必须加入到服务的生产过程中，才能享受到服务。
【简答题】Bootstrap布局分成垂直方向的堆叠表单和水平方向的内联表单。堆叠表单需将标签和表单控件放在单独的div层,并应用名为【1】的css类。
【单选题】What is true about the research mentioned in the beginning of the passage?
A.
The participants were investigated for 6 years between ages 51 to 61.
B.
The participants answered questions at the start of the study.
C.
The participants who kept working were in better shape than the others.
D.
All kinds of jobs would be good for people as long as they kept working.
【简答题】At the beginning of the story, all the people are sitting in the room.
【判断题】Some applicants write a summary in the beginning of a resume to summarize all that he is writing in the following sections.
A.
正确
B.
错误
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