卡好的活绳环，不磨碰滚筒护罩为好。
参考答案：对
根据首字母和句意提示填空。
1. It's not easy. It's h____________.
2. H____________! I hurt my nose.
3. We p____________ cards on the train. It's fun.
4. The cars are quick. They go q____________.
5. Danny is loud. He is singing. He is not q____________.
消化性溃疡底部向上依次为（ ）、（ ）、（ ）、（ ）。
