火灾事故认定无法送达采取公告送达时，公告期为（）日，公告期满即视为送达。
A、七
B、十
C、二十
D、三十
参考答案：C
Look and complete.
1. A: are you?
B: I'm 160 cm tall. ?
A: I'm 163 cm tall.
B: You're than me
2. A: are you?
B: I'm 12 years old.
A: I'm 11. You're _ than me.
3. A: Look, the giraffe is _____ than the elephant.
B: Yes, the elephant is . But it's than the giraffe.
为汉藏友好做出突出贡献的人物是 [ ]
A． 怀人可汗
B．渤海郡王
C．文成公主
D．云南王
