1. (2022八上·哈尔滨开学考) Here is a survey (调查) about how 1,000 students from No.2 Middle 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%