【正文】
Unit 5 Look into Science Lesson 28 The Study of Living Things Think about it! you like to be a biologist when you grow up? Why or why not? mysteries of nature do you know about? 未解之謎 [mist?riz] How to see solar system? butterfly ? 蝴蝶 a? What subject are they belong? biology ? 生物 ? a? ? migrate adj 遷徙的 a? migrating e? What it like? 奇異的 strange 230。 fantastic 230。 ? How to see solar system? grandchildren 外孫(女) female ? 雌性