| 1. | B 、 what shape is the flank of a taper
圆锥的底面是（ ）形，圆锥有（ ）个底面。 |
| 2. | Technical drawings - dimensioning and tolerancing of cones
技术制图圆锥的尺寸和公差注法 |
| 3. | The type and dimensions for positive drive of morse tapers
莫氏圆锥的强制传动型式及尺寸 |
| 4. | The type and dimensions for positive drive of morse tapers
莫氏圆锥的强制传动型式及尺寸 |
| 5. | What ' s the relationship between the two bulks
师：等底等高的圆柱和圆锥的体积有什么关系？ |
| 6. | The distance from the top to the underside is called the height of a taper
结论：顶点到底面圆心的距离叫做圆锥的高。 |
| 7. | Probe the kids to know the taper , hold its features and understand its plan
使学生认识圆锥，掌握圆锥的特征，会看圆锥的平面图。 |
| 8. | Look at the computer . how many centimeters are there in your taper
师：看电脑是怎样测量圆锥的高。量一量自己的圆锥的高是多少厘米。 |
| 9. | Transmit the calculating formula of the taper ' s bulk , be able to use the formula to calculate the bulk
推导圆锥体积计算公式，能运用公式计算圆锥的体积。 |
| 10. | Look at me , please . what did you find ? what shape can you get when you open up the taper ' s flank
师：看着老师做实验：你发现了什么？把圆锥的侧面展开，得到一个什么图形？ |
