题目

写出图中各个几何体的名称，并按锥体和柱体把它们分类．①__________；②__________；③__________；④__________；⑤__________；⑥__________．(1)锥体：____________；(填序号)(2)柱体：____________．(填序号) 答案：【答案】 圆柱 圆锥 四棱锥 五棱柱 三棱锥 四棱柱(长方体) ②③⑤ ①④⑥【解析】根据“常见的几何体（柱体、锥体、球体）”进行分析解答即可.上述几何体分别是：①圆柱；②圆锥；③四棱锥；④五棱柱；⑤三棱锥；⑥四棱柱（长方体）．其中：（1）属于锥体的有：②③⑤；（2）属于柱体的有：①Try to do these things in your daily life to make the world better. Use cloth shopping bags, not plastic _____. After ______ a plastic bag, wash it out and let it dry. Then you can use it over and over again.A. one, uses B. ones, using C. ones, use