题目内容
C5.8 组合体的组合形式分为相交和相贯两种。
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C5.9 标注定位尺寸时，首先选择基准，通常选择组合体的底面、端面或对称平面以及回转轴线等作为尺寸基准。
C5.10 根据组合体画法的规定，当两形体的表面相切时，在相切处画线。
Viewing and speakingWatch the video, then fill in the blanks on the next slides and discuss the following questions in your groups.Questions for discussion:1. Which advice is the most useful for you? Why?2. If you were asked to give college students advice, what advice would you give?
1. ______ at conveying her underlying message through topical plots and contemporary characters that by 1940 her book had sold some three million copies
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