If we are cold, we can just buy a warm coat or use a heater and we will feel better. But what about animals? How do they keep warm in winter? Some animals migrate(迁移). This means they travel to places where the weather is warmer. Many birds leave before the winter starts. They...
89. Each moment in time we have it all, even when we think we don’t. —Melody Beattie 90. If we don’t change, we don’t grow. If we don’t grow, we are not really living. Growth demands a temporary surrender of security. —Gail Sheehy 91. Great success in examinations does n...