Question

【题目】Here is a survey（调查） about how the 1，000students from No.2Middle School go to school on weekdays．One third of the students going to school by bike are girls．Then according to the form below，_____boys go to school in the same way．

By bus	By bike	By car	On foot
40%		36%	9%

A. 150 B. 100 C. 50

Answer 1

【答案】B

【解析】句意：这是一个关于第二中学1000学生在平日如何上学的调查。骑自行车上学的三分之一是女生。然后根据下面的表格，100个男孩以同样的方式去上校。根据表格可知：骑自行车的人数：1000×（1-40%-36%-9%）=150人，其中男生是150×（1-1/3）=100人。故选：A。