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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____。

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[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

[音频]What does the man feel sorry about ?

A. He doesn’t like parties.
B. He was tired last night
C. He couldn’t go to the party
D. He was late for the party

[音频]What is the exact time now?

A. 8:15
B. 7:55
C. 7:35
D. 8:25

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