词汇运用 根据首字母或汉语提示，写出所缺的单词(共10小题每小题1分计10分)

小题1:Here is your birthday ______(['preznt] ).

小题2:How many ______(tooth) does the special animal have?

小题3:How ______ (happy) the boy with glasses sings!

小题4:Young people think trainers make them feel ______(comfort).

小题5:Kitty is in the classroom. She is _____(write) a letter to her friend.

小题6:Jane ______ (练习) speaking English every morning.

小题7:People in the West like _______(庆祝) Thanksgiving Day.

小题8:My hobby is collecting beautiful _______(邮票).

小题9:Shanghai is a big and _______(现代化的) city.

小题10:Jay Chou is one of the most ____(受欢迎的) singers in China now.

男，25岁，平素体健，因膝关节外伤在腰麻下行膑骨切除术。术后第2天发生剧烈头痛，坐起时加重，平卧后减轻，该病人术后头痛发生的原因是（）

A.局麻药中加入肾上腺素

B.腰麻后脑脊液外流引起的低压性头痛

C.同时伴有颅内病变

D.麻醉药物选择不当

E.腰麻穿刺针太粗