短文填空。根据首字母及短文内容，填入一个正确的单词形式，使短文完整。

     Today is October 15. It's Marie's b 1_____ . Her friends a 2_____ here. They are Linda, Tom, Peter,

John and Lucy. H 3_____ parents are here, too. There is (有) a big cake in the middle of the t 4_____ .

There are fourteen candles (蜡烛) i 5_____ the cake. There is also salad, hamburgers, fish, eggs a 6_____

drinks on the table. Marie is very h 7_____ . They sing (唱) the song Happy Birthday to Marie. Marie gets

m 8_____ gifts (礼物) f 9_____ her friends. She is v 10_____ happy.

下肢牵引时抬高床尾的主要目的是（）

A.减轻患肢疼痛

B.使患者感到舒适

C.设置对抗力量

D.便于观察肢端情况

E.促进患肢血液循环