用以确定零件在部件或机器中位置的基准称为（）。 A.设计基准 _爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

用以确定零件在部件或机器中位置的基准称为（）。

A.设计基准

B.定位基准

C.测量基准

D.工艺基准

答案

参考答案：A

补全对话，情景问答

Read and match. (为左边的句子在右边找到恰当的答语，将它们连起来)

             I
1. Nice to meet you.
2. How many snakes can you see?
3. Draw a banana.
4. Let's go to our school.

          II
A. I can see ten.
B. And color yellow.
C. Nice to meet you, too.
D. Good idea.

选择题

29. The key ____ English well is to read more when ____.

A．to learn, possible

B．of learning, possibly

C．of learning, was possible

D．to learning, possible