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问题 单项选择题

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腰椎牵引的作用机制的是

A．缓解腰背部肌肉痉挛，纠正脊柱侧凸
B．使椎间隙增宽，利于突出物部分还纳
C．椎间孔增大，减轻关节滑膜的挤压，缓解疼痛
D．松解神经根粘连
E．改善腰椎关节活动度，增强肌力

答案

参考答案：E

改错题

文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号（n)，并在其下面写出该加的词。

删除：把多余的词用斜线〔、〕划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1.每处错误及其修改均仅限一词；2.只允许修改10处，多者（从第11处起）不计分。

Nowadays Grade 3 students are general faced with a lot of pressure, which is rather common. The followed suggestions may help reduce it. First of all, know exactly what lead to your pressure, and then you can took measures to deal with it. Secondly, set up a goal that is too high. In another words, don't put too little pressure on yourself. Thirdly, finding a way to relax yourself occasionally. For example, you can listen to music, go swim or just go walking. Lastly, make friend with others, such as your classmates, your teachers and even your parents. They will understand you and come to your help when you are really in the trouble. In a word, never get yourself stuck in pressure
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单项选择题 B型题

影响洋地黄类药物吸收的是（）

A.辛伐他汀

B.烟酸

C.苯扎贝特

D.考来烯胺

E.非诺贝特
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