根据句意和汉语提示填空。

1. I am very_______ (激动) to hear the new words.

2. To my ________ (吃惊), she came back on time that morning.

3. We had many interesting ____________(经历) while we were travelling in Beijing.

4. The dog's ________(死亡) made us very sad.

5. How _________(担心) he is!

类风湿关节炎患者出现颈痛、双手感觉异常和力量减弱、腱反射亢进、Hoffmann征阳性应首选下列检查是（）。

A.血沉及C反应蛋白

B.双上肢肢体诱发电位

C.颈椎MRI片

D.颈椎正侧位X片

E.颈椎CT片