补全对话

A：   小题1:     ， Lucy ?

B: I am going sightseeing.

A:      小题2:        .

B: I am going to Italy.

A: Who are you going with?

B:        小题3:       .

A:       小题4:        .

B: It’s very sunny and warm.

A:       小题5:        .

B: I am staying there for two weeks.

A: That sounds wonderful. Have a good time.

B: Thank you.

公服用户的燃气表房应符合（）安全要求。

A.配备消防器材；

B.自然通风情况良好；

C.有浓度报警、自动排风设施的场所要求报警、排风系统要灵敏有效；

D.表房内照明必须为防爆灯；照明电缆线路安装符合防爆要求；