一早已經唔信靠學校D老師可以拎到好grade啦, 學校D老師唔係唔識D野, 但係好少真係會研究個考試出題, 答題技巧, 就算比你學到哂佢教既野, 到考果時你都未必識答, 我讀phy chem pure, 果時走去補cy chau, concept清楚到仆街, 都不特止, 佢教D人條題目5分, 點樣完全唔識都攞3分, 因為果D補習老師研究哂marking scheme, 於是你見到果個題型就知要答D咩keyword
好似electric motor咁, a electric current flow in the coil inside magnetic field(1分), 唔知咩force is generated(又1分)到而家我都仲記得點樣屈佢機

總之真係可以唔識答條題目都拎到幾分
