用适当的单词完成对话。

A: What ___1___ this?

B: It's a ___2___ of my family.

A: Who (谁) is this girl?

B: She is ___3___ sister.

A: What's ___4___ name?

B: Her name is Emma.

A: Is that your father?

B: Yes, ___5___ is.

A: Oh, your family photo is very nice.

B: Thank you.

1._______2._______3._______4._______5._______

我们应掌握一些必备的安全常识：

（1）我们见过的标有“OTC”字样，用于自我治疗的药属于__________药。

（2）如果你遇到同伴因溺水突然停止呼吸，首先请快点设法拨打号码_________的急救电话。然后，立刻实施_________法争取溺水同伴恢复呼吸。另外别忘了，如果他（她）伴有心跳停止症状，还一定要同时采用__________法进行救助。