补全对话。根据对话内容，从下边方框中选出适当的选项补全对话，并将选项的编号依次填人题前括号内。(共4小题，每小题1分；计4分)

A：Excuse me.____________． 

B：Yes，and you are…?

A：_____小题1:__. This is my membership card．Would you please show me your passport?

B：OK．__小题2:____. 

A：Welcome to Beijing，Miss White．I am so glad that you are the first guest I have received．

B：Thank you，Miss Chen. ___小题3:____.

A： Let me help you with your suitcase．Our car is waiting for us just at the entrance. It will take us to the hotel．

B：Thank you very much for your good service．   

A：It’s a pleasure．

从距现代较近的地层里到古老的地层里所发现的化石，体现生物进化历程的特点是（　　）

A．由复杂到简单，由低等到高等，由水生到陆生

B．由简单到复杂，由低等到高等，由水生到陆生

C．由简单到复杂，由高等到低等，由水生到陆生

D．由简单到复杂，由低等到高等，由陆生到水生