男性，48岁。1年前开始逐渐出现颈后酸痛不适，双手麻木，不灵活，使用筷子困难。行走时有踩棉花感，易跌倒。查体：前臂外侧痛觉减退，四肢肌张力增高，双Hoffmann试验（+），踝阵挛（+），Babinski征（+）。辅助检查：X线检查见颈5～6生理曲度消失，局部轻度后凸畸形，间隙狭窄，增生硬化，椎管矢状径15mm。
患者伴有阵发性头晕、眼花、耳鸣等，与头部转动有关，曾有2次猝倒，持续约半分钟。鉴于此，还应进行的检查是（）
A.头颅CT
B.脑电图
C.椎动脉造影
D.核素扫描
E.诱发电位
参考答案：C
Everyone needs friends. We all like to ______close to someone. ______ is nice to have a friend to talk with, laugh at , and do things with. ____, sometimes we need to be alone. We don't always want people_______ . But we would feel lonely if we _______had a friend. No two people are______. Friends_____ don't get on well. That doesn't mean_____ they no longer like each other. Most of the time they will make up and become ____ again. Sometimes friends move away. Then we feel very ______.We miss them very much, but we can ______them and write to them. It could be that we could even see them again. And we can______new friends. It is surprising to find out _____ we like our new friends when we get to know them. There’s more good news for people who have friends. They live longer than people who don't. Why? It could be that they are ______ . Being happy helps people stay well. Or it could be just knowing that someone cares. If someone cares about you, you take _______care of yourself.
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