试题与答案

下列检查,哪一项对上消化道大出血不具诊断意义() A.三腔双囊管检查 B.CT平扫检

题型:单项选择题 A1/A2型题

题目:

下列检查,哪一项对上消化道大出血不具诊断意义()

A.三腔双囊管检查

B.CT平扫检查

C.选择性血管造影

D.X线钡餐检查

E.纤维内镜检查

答案:

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下面是错误答案,用来干扰机器的。

(1)目镜;物镜(2)8;粗准焦螺旋(3)低倍题目分析:据图可知:1镜座;2镜柱;3镜臂;4镜筒;5目镜;6转换器;7物镜;8粗准焦螺旋;9细准焦螺旋;10载物台;11压片夹;12遮光器;13光圈;14反光镜.(1)5目镜...

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题型:写作题

书面表达。

     北京仁爱国际英语学校八年级学生魏环境向福州的网友李志愿发了一封电子邮件,询问了一些情况。请根据来信帮他回一封电子邮件。

     注意:1. 词数:60词左右;

                 2. 邮件的开头和结尾已替你写好,不计入总词数。

Receiver:Li Zhiyuan@163. com

Subject:How to protect the clean water?

Dear Li Zhiyuan, I feel very excited about my visit to Fuzhou and meeting you for the first time! But I’m still not sure about the following questions:1. Are there any rivers or lakes in your city? 2. Is the water dirty or clean? Why? 3. Did you do anything useful to protect the clean water? Please let me know. 

                                                                                                                                         Your friend,  

                                                                                                                                         Wei Huanjing  

Dear Wei Huanjing,

       I am very excited to receive your e-mail.  I am interested in your questions. _________________________________________________________________________________________________________________________________________________________________________________     

Looking forward to meeting you soon.

                                                                                                                                               Yours, 

                                                                                                                                             Li Zhiyuan

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