This flexible class, however, which yields results with little effort, has had a remarkable effect on students 'attitudes toward their studies. As they learn to love observing nature, students study actively, and in one class, average grades in biology have hit 85 points-which surprised even Ms. Li.
但這一堂無心插柳的彈性課，卻奇妙地影響了孩子們的學習態度，他們愛上生態觀察後，自己主動學習，有一班生物成績平均高達八十五分，連她自己都嚇了一跳。