患者男，29岁。高处坠落2小时后送至医院，主诉胸背部疼痛，双下_爱下问搜题

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问题单项选择题 A3/A4型题

患者男，29岁。高处坠落2小时后送至医院，主诉胸背部疼痛，双下肢不能活动。

CT示胸11椎体爆裂骨折，椎体压缩1/2，椎管内有较大骨块，伴关节突交锁，最佳的治疗方案应是（）

A.手术减压，脊柱内固定术

B.两点法过伸复位，石膏背心固定

C.行椎板切除、椎管减压术

D.颅骨牵引和激素、脱水药物治疗

E.手法复位

答案

参考答案：A

阅读理解

阅读下面的短文，选择正确的答案。
What is a good friend like?

Molly	May19, 2009, 9:32pm I think a good friend likes to do the same things as me. Jack is my best friend. We both like to play the guitar after class.
Holly	May19, 2009, 9:40pm For me, a good friend makes me laugh. He or she likes to talk about something interesting and funny.
Maria	May19, 2009 9:45pm I think a good friend should be a good listener ,and he or she should keep secrets for me, that's more important for me.
Sally	May19, 2009, 9;55pm In my opinion, a good friend should have cool clothes, and he or she is popular in school. He or she should be good at sports, because I like doing sports.
Toby	May19, 2009, 10:16pm As we are students, I think a good friend should be good at schoolwork. Then we can help each other, learn from each other.
Jim	May19,2009,10:30pm I think a good friend should help each other. When I am in trouble, Kelly always help me.

1. Who can be Holly's friend?
    A. Someone who is very quiet.
    B. Someone who likes to talk about interesting things
    C. Someone who is good at schoolwork.
    D. Someone who is very cool and popular.
2. Which is Maria's opinion about a good friend?
    A. A good friend should like telling jokes.
    B. A good friend should study with her.
    C. A good friend should help her.
    D. A good friend should keep secrets for her.
3. Who wants his or her friends to do well in the schoolwork?
    A. Molly
    B. Toby
    C. Jim
    D. Sally
4.What does Jack like?
    A. Playing the guitar
    B. Sports
    C. Making others laugh
    D. Schoolwork

问答题简答题

《关于解决国家和他国国民间投资争端公约》对中心管辖有何规定？