根据句意及首字母提示完成单词。

1. I thought hard and tried to get out of the e_____situation.

2. She didn't r_____her mistake until we told her.

3. If the bell r_____, we'll have to leave at once.

4. E_____is here, then let's start playing.

5. I've n_____been to the USA before.

颈部扭伤或劳损单独存在时，最常见的症状是（）

A.颈痛

B.头痛

C.眩晕

D.放射性臂痛

E.肩痛