题目内容：

从方框中选择合适的句子补全对话。

Students：Good afternoon, Miss Jiang.

Teacher： 1.   Today, we’ll talk about a new bird flu. It has hit some Chinese cities.

Monitor： 2.

Teacher：Yes, it is. It’s reported that about 35 people have been ill.

Monitor：  3. .

Teacher：We should keep away from animals. And we should wash our hands correctly.

Monitor：  4.

Teacher：It should take at least 20 seconds each time.  5. See a doctor at once if you have a high fever or have trouble breathing.