没骨头,也能行

• 作 者: 林恩·布鲁内尔 吉鹏亮 陈微
• 机 构: 上海师范大学,
• 出 处: 十万个为什么
• 发表日期: 2017年08期
• 关键词: 理解策略 椰子蟹 浮囊 奇异的 一朵朵 海绵体 生命科学 classify 分节 船蛸

理解策略阅读文章前,根据小标题和照片说说文章各个部分的主要内容。许多动物都没有脊椎骨,甚至完全没有骨头。我们来探索一下它们是如何生存的。在海洋中闪出一点亮光,我们看到一个生物在水中翩翩起舞。它没有骨骼,光线可以直接穿透它的身体。它是一只水母。在陆地一角,也有着奇异的生物。它似乎倒挂在半空中,却粘着一根丝线,坚硬的身体被厚厚的绒毛所覆盖——这是一只蜘蛛。

Understand the strategy Before reading the article, according to the subtitle and photos to talk about the main contents of each part of the article. Many animals have no vertebra, or even no bones at all. Let’s explore how they survive. A little light shines in the ocean, and we see a creature dancing in the water. It has no bones and light can penetrate its body directly. It is a jellyfish In the corner of the land, there are also strange creatures. It seems to hang upside down in mid-air, but with a thread of glue stuck to it, and the hard body covered by thick fuzz - it’s a spider.