题目内容

When you have problems you can’t solve, you should s k help and advice from your parents and teachers.

A. seek
B. sneak
C. snook
D. sick

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E e is especially important on occasions such as weddings and funerals. There are rules we should follow in those social events.

A. Etiquette
B. Etiolate
C. E-commerce
D. E-Zine

冲裁间隙和下列哪个无关（）。

A. 冲裁力
B. 料片撕裂部位
C. 料片变形情形
D. 料条布局

确定冲裁间隙的主要依据为（）。

A. 冲裁件的断面质量、尺寸精度和模具寿命
B. 冲裁件的断面质量、冲裁力及卸料力
C. 冲裁件的尺寸精度、尺寸大小及冲裁件复杂程度
D. 模具寿命、冲裁力大小

冲裁模中，冲裁间隙越大越好。

A. 对
B. 错