从方框中选择合适的句子补全对话。

Students:Good afternoon, Miss Jiang.
Teacher:小题1:
Today, we’ll talk about a new bird flu. It has hit some Chinese cities.
Monitor:小题2:
Teacher:Yes, it is. It’s reported that about 35 people have been ill.
Monitor: 小题3:
.
Teacher:We should keep away from animals. And we should wash our hands correctly.
Monitor: 小题4:
Teacher:It should take at least 20 seconds each time. 小题5:
See a doctor at once if you have a high fever or have trouble breathing.