破伤风主要并发症为呼吸道并发症。()
参考答案：对
看图填空。
A: Good morning.
B: Good 1.________.
A: Welcome to China. Your 2.________, please.
B: My name is Mike.
A: 3.________ are you 4.________?
B: I'm 5.________ the 6.________.
A: Have a good time.
B: Thank you.
运动损伤的预防原则是什么？
