搜题请搜索小程序“爱下问搜题”
问题 单项选择题 A1/A2型题

引起骨折移位最根本而持续存在的原因是（）。

A.引起骨折的暴力

B.骨折肢体近侧段或远侧段的重量

C.检查和治疗的方法不当

D.肌肉收缩牵拉力

E.搬动和运送时伤肢被牵拉或推动

答案

参考答案：D

解析：暴力、肢体重量、检查及治疗不当、搬动均可造成骨折端移位。最基本而持续存在的原因是肌肉收缩牵拉力。

问答题

某上市公司本年度的净收益为20 000万元，每股支付股利2元。预计该公司未来三年进入成长期，净收益第1年增长14%，第2年增长14%，第3年增长8%。第4年及以后将保持其净收益水平。该公司一直采用固定支付率的股利政策，并打算今后继续实行该政策。该公司没有增发普通股和发行优先股的计划。 要求： (1)假设投资人要求的报酬率为10%，计算股票的价值(精确到0.01元)。 (2)如果股票的价格为24.89元，计算股票的预期报酬率(精确到1%)。 计算步骤和结果，可以用表格形式表达，也可以用算式表达。
查看答案
阅读理解

阅读理解

       One Sunday afternoon Mr. Green and his child, Mary, are in a big shop. Mr Green likes Mary and

wants to buy a new dress for her. Mary doesn't like the new dress. She likes something to eat. So her

father buys two kilos of apples for her, too. Mary also wants to buy some picture-books and coloured

pencils. There are many things and many people in the shop. They are men and women, old and young.

They all want to buy something there. The people in the shop are very friendly.

1. It is ________.

A. Saturday    

B. Monday      

C. Friday      

D. Sunday

2. Mary and ________ are in the shop.

A. Mrs Green  

B. his father      

C. her father    

D. her mother

3. Mary likes to buy ________.

A. a new dress

B. coloured books

C. apples, picture-books and coloured pencils

D. something to drink
查看答案