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一、精心选一选(每小题3分,共24分)1.应中共中央总书记胡锦涛同志的邀请,中国国民党主席连战先生、亲民党主席宋楚瑜先生分别从台湾来大陆参观访问,先后来到西安,都参观了新建成的“大唐芙蓉园”。该园占地面积约为800000 m~2,若按比例尺1:2000缩小后,其面积大约相当于( ).A.一个篮球场的面积B.一张乒乓球台台面的面积C.《陕西日报》的一个版面的面积D.《数学》课本封面的面积2.银原子的直径约为3×10~(-10)米,也可以表示成( ).
First, carefully select one (each capitals 3 points, a total of 24 points) 1. At the invitation of Comrade Hu Jintao, general secretary of the CPC Central Committee, Chinese KMT Chairman Lien Chan, PFP Chairman James Soong respectively from Taiwan to visit the mainland visit, come To Xi’an, have visited the newly built “Tang Paradise”. The park covers an area of about 800000 m ~ 2, if reduced by a scale of 1: 2000, the area is approximately equivalent to () A. Area of a basketball court B. A table tennis table area C. “Shaanxi Daily ”The area of a layout D.“ Mathematics ”textbook cover area 2. The diameter of silver atoms is about 3 × 10 ~ (-10) meters, can also be expressed as ().