制定企业标准时，把国际标准采纳到企业标准中，使企业标准在技术

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问题单项选择题

制定企业标准时，把国际标准采纳到企业标准中，使企业标准在技术上只有小的差异，在编写上与国际标准不完全相同，称为 (47) 国际标准，采用程度符号用缩写字母 (48) 表示。

A．idt或IDT

B．eqv或EQV

C．neq或NEQ

D．eqv或NEQ

答案

参考答案：B

填空题

填入动词的适当形式。

1. Can you imagine yourself ______ in a lonely island? (stay)

2. I can't understand your ______ at that poor child. (laugh)

3. She didn't mind _______ overtime. (work)

4. To make a living, he tried ______, ______, and various other things, but he had failed in all. (write; paint)

5. We are looking forward to Mary's _______ (come).

6. She was praised for _______ the life of the child. (save)

7. She ought to be praised instead of ______ (criticize).

8. Is there any possibility of our ______ the championship? (win)

9. He came to the party without ______ (invite)　

10. Don't keep me _______ (wait) for a long time.

判断题

刮板输送机减速器一般采用三级齿轮减速，其中第一级为圆锥齿轮传动，后两级为圆柱齿轮传动。