根据句意及首字母提示, 补全单词

1. He Pingguo is in Class Seven, and Li Hong is in Class Seven, too. They are in the s__________ class.

2. - How do you spell it?

    - E-d __________ G, egg.

3. Bai Lixi is from Wuhan. Her E__________ name is Lily.

4. He is from Japan, but they are good f__________.

5. She is in G__________ Two.

男，26岁，左腰腿痛1月，加重5天，直腿抬高试验及加强试验阳性，双下肢肌力正常，X线平片示腰椎曲度变直，轻度退行性改变。

为明确诊断进一步检查下列最好是做（）。

A.脊椎静脉造影

B.B超

C.脊髓造影

D.MR1检查

E.硬膜外造影