| 1. | Reptiles possess a scaly, dry skin . 爬行类具有覆盖着鳞片的干燥皮肤。 |
| 2. | Birds , reptiles and insects come from eggs . 鸟类、爬虫及昆虫是卵生的。 |
| 3. | The frog is not a true reptile . 青蛙并非真正的爬行动物。 |
| 4. | Reptiles are cold-blooded . 爬行动物是冷血的。 |
| 5. | Rise, and don't degrade yourself into an abject reptile . 起来,可别把你自己贬成一个下贱的爬虫。 |
| 6. | Mammals arose from a fairly primitive reptile in the mesozoic era . 哺乳类起源于中生代宛若原始的爬虫类。 |
| 7. | In birds, reptiles and many amphibians there is only one ossicle . 鸟类、爬行动物和许多两栖动物只有一块听小骨。 |
| 8. | Fish and reptiles are more likely to change sex than are mammals or birds . 鱼和爬行动物一般要比哺乳动物或飞禽更容易改变性别。 |
| 9. | The effect of these changes on plants and cold-blooded reptiles must have been profound . 这种变迁必然深深地反映在植物和冷血的爬行动物身上。 |
| 10. | The dinosaurs and numerous other reptiles which had previously been dominant were extinct . 先前曾占主位的恐龙以及许多其他爬行动物到了这时都绝灭了。 |