What type of intersection line can you get, when a sphere cut by a plane?
举一反三
- When a cone is cut by a plane, the intersection of the conical surface of the cone and the plane could be_______.当圆锥被平面切割时，圆锥的圆锥表面和平面的截交线可能为______。 A: Line B: Circle C: Ellipse D: Hyperbola E: Parabola
- What can you do now to make sure that you will get help from others when you need it?
- —Can you tell me ______the prize, Tom? —Last year. 未知类型：{'label': 'questionDesc', 'content': '请选择正确答案。', 'isMemberControl': 0, 'type': 181} A: when you got B: when did you get C: when will you get D: when you will get
- When taking a plane, if you are afraid of height, you can choose the aisle seat.
- Hurry up or _____________________. A: you can get there on time B: you will miss the train C: you can catch the bus D: you will catch the plane