题目内容

尺寸数值可写尺寸线的或处。

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锥度是指与的比,,标注时符号的锥度方向应与所标锥度方向。

已知定形尺寸和定位尺寸的线段叫;有定形尺寸,但定位尺寸不全的线段叫;只有定形尺寸没有定位尺寸的线段叫。它们的作图顺序应是先画出,然后画,最后画。

[音频]II. Listening Practice1 Mini-DialoguesListen to the following five mini-dialogues and then, for each question below, select the best answer from among the four choices given.What’s the lady’s name according to the woman?

A. Ruth
B. Thompson
C. Rose
D. Jones

[音频]Where does this dialogue take place?

At the David’s home
B. At Bills school
C. At a party
D. In the street