当病人出现喉头水肿时常出现严重的呼吸困难，典型者表现为三凹症，即胸骨上窝、锁骨上窝和__________出现凹陷。
参考答案：肋间隙
Read and write. (仿照例子写句子)
例：Do you like apples? Yes, I do. (bananas)
Do you like bananas? Yes, I'do.
1. — Where is my book?
一 It's on the desk. (umbrella, in)
__________________________________________
2. — Can I use your ruler?
— Yes. Here you are. (bike )
3. — How many rabbits can you see?
一 I can see five. (snakes, twelve)
我们常说“老鼠过街人人喊打”，那么在《时代广场的蟋蟀》中你喜欢这本书中的老鼠吗？为什么？
