在平面直角坐标系xOy中，点P（2，a）在正比例函数的图象上，则点Q（a，3a－5）位于第 象限．
Take this medicine according to the /in'strʌkʃnz/．
He /rɪˈgretɪd/ having missed that good chance．
We are going to Hainan on vacation in /'februɔri/．
Seeing their parents， the children / flu：/ to meet them．
You shouldn't read others' /ˈpraɪvət/ letters without permission．
的图象上，则点Q（a，3a－5）位于第 象限．
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