题目

缺词填空 根据短文内容和首字母提示,在下文空格处填入适当的词使短文完整。在标有题号的横线上,完整写出空缺处所填单词的正确形式。(每空一词) Many people in the USA love sports. Some people like playing sports and some people like w 1  sports.At school, students play many different sports. Such as football ,basketball and volleyball. In summer, students go s2  and play basketball. Mike e3   playing volleyball but she doesn’t like swimming. Andy and Simon love playing football but t__4__don’t like swimming. They are me已知如图为一几何体的三种形状图:(1)这个几何体的名称为   ;(2)任意画出它的一种表面展开图;(3)若从正面看到的是长方形,其长为10cm;从上面看到的是等边三角形,其边长为4cm,求这个几何体的侧面积. (1)三棱柱;(2)作图见解析;(3)120cm2. 【解析】试题分析:(1)由展开图分析可得该几何体为三棱柱;(2)画出展开图即可;(3)三棱柱侧面为三个长方形,由题意得,长方形的长为10cm,宽为4cm,根据长方形面积公式计算即可. 试题解析: (1)由三视图可知,该几何体为三棱柱, (2)展开图如下: (3)这个几何体的侧面积为3×10×4=120cm2.
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