①∠B+∠BCD=180°；②∠1=∠2；③∠3=∠4；④∠B=∠5．

    My father, Yang Liwei, is a ____, and he is very ____. In October 2003, my father ____ (fly) into space in Shenzhou V. He ____ (spend) about twenty-one hours in space. He ____ (do) a lot of work there. He ____ (make) a video. Then he ____ (come) back to the earth. My mother and I ____ (go) to the airport to meet my father.

We ____ very happy. It was a great day! I____(be) very ____ of ____(he). Now he still ____ (tell) me his space travel. I want ____ (go) into space someday too.

试院求李唐臣画

晁补之

有客携来白团扇，看君画出翠微峰。

忽然陂水变阴雾，便有松林吹晚风。

松林陂水静何极，何处归舟天际识。

韦侯直干傥不难，杜陵东绢那能惜。