蜘蛛的栖息地:desert, rain forest, mountain, plain,beach,cave 蜘蛛的颜色: brown,black, red,orange,green,yellow蜘蛛的身体部位: legs,head,abdomen,fangs,eyes 蜘蛛的食物: insect,fish,snake, lizard,frog 蜘蛛的生长阶段: egg,spiderling,spider 数词的用法，例如: two,eight 介词的用法，例如: in,on, by 连词的用法，例如: and,but, or 情态动词的用法，例如: can, may 并列句，例如: Venom kills the prey or keeps it from moving. 定语从句，例如: Spiders have fangs that hold venom. 祈使句，例如: Let's hear it for spiders!