北极熊
Polar Bears
了解北极熊的关键事实：它们只生活在北极，不在南极；它们有厚厚的白色皮毛和一层脂肪（鲸脂）来保暖；它们是出色的游泳健将，还会在海冰的洞口旁等待，捕猎海豹。
Know key facts about polar bears — they live only in the Arctic (not the Antarctic), they have thick white fur and a layer of fat (blubber) to keep warm, they are excellent swimmers, and they hunt seals by waiting at holes in the sea ice
学习证据 / Evidence
- 说出北极熊生活在北极，而不是南极
- 描述北极熊至少两种保暖方式：厚厚的白色皮毛和一层脂肪（鲸脂）
- 解释北极熊如何在海冰的呼吸孔旁等待，捕猎海豹
- State that polar bears live in the Arctic, not the Antarctic
- Describe at least two ways polar bears stay warm: thick white fur and a layer of blubber (fat)
- Explain how polar bears hunt seals by waiting at breathing holes in the sea ice
评估问题 / Assessment
{{name}}能说说北极熊吗——它们只生活在北极，厚厚的皮毛和脂肪层能让它们保暖，它们还会在冰洞旁耐心等待捕猎海豹？
Can {{name}} tell you about polar bears — that they live only in the Arctic, their thick fur and blubber keep them warm, and they hunt seals by waiting patiently at holes in the ice?