一、恣意说发现师:我们知道列文虎克玩镜片发明了显微镜,用显微镜观察,发现了微生物;我们也知道法布尔通过试验、观察,发现蜜蜂具有超常的辨别方向的能力;我们还知道生物学家通过观察,发现不同植物开花时间不一样……大自然就是这样神奇,善于观察的人总能发现它的秘密。同学 First, wantonly found division: We know Levin Hock gram lenses invented the microscope, microscopic observation, found the micro-organisms; we also know Fabre through experiments, observations and found that bees have extraordinary ability to identify the direction; we also know Through observation, biologists find that different plants bloom at different times ... Nature is such a miracle that people who are good at observation always discover its secrets. Classmate