女,5岁,左踝疼痛,结合图像,最可能的诊断是() A.创伤性关节炎 B.退行性骨关节

题型:单项选择题

问题:

女,5岁,左踝疼痛,结合图像,最可能的诊断是()

A.创伤性关节炎

B.退行性骨关节病

C.神经性关节病

D.风湿性关节炎

E.痛风

考点:专业理论骨与关节骨与关节题库
题型:单项选择题

用长为90cm、宽为48cm的长方形铁皮做一个无盖的容器,先在四角分别截去一个小正方形,然后把四边翻折90°角,再焊接而成,则该容器的高为________cm时,容器的容积最大.

题型:单项选择题

阅读下面短文,根据短文内容回答问题并按要求完成第105题。

For Luo Xinying, sharing a textbook with a classmate is not a problem at all. The 15-year-old feels happy to be back to class.

  A total of 355 schools in Ya’an, Sichuan Province, were closed after the 7.0-magnitude(级) earthquake struck the area on the morning of April 20, 2013.

  Luo, along with thousands of students in the earthquake-hit area, will take the high school entrance examination from June12 to14.

   The teen goes to Longmen Chenyang Hope School, the largest school in Longmen Village, Lushan County. Nearly 80 students at the school went back to class in a tent on April 25.

The village is among the hardest hit by the earthquake. Students elsewhere in the earthquake-hit area returned to class the day before. Students who face college or high school entrance exams were first to come back.

  Some students are worried about the high school entrance exam and they are frightened of aftershocks(余震) all the time.

Schools in the earthquake-hit area have offered crisis counseling(灾后心理辅导) to those students who need help.

小题1:How does Luo Xinying feel when he/she is back to class?

小题2:How many schools in Ya’an, Sichuan Province were closed after the earthquake?

小题3:When will Luo take the high school entrance examination?

小题4:Longmen is one of the hardest earthquake-hit villages, isn’t it?

小题5:请将划线句子翻译成汉语。

题型:单项选择题

以黄铁矿为原料制硫酸产生的硫酸渣中含Fe2O3、SiO2、Al2O3、MgO等。实验室模拟工业以硫酸渣制备铁红(Fe2O3),过程如下:

(1)硫酸渣的成分中属于两性氧化物的是       ,写出酸溶过程Fe2O3与稀硫酸反应的离子反应方程式                

(2)生产过程中,为了确保铁红的纯度,氧化过程需要调节溶液的pH的范围是           (部分阳离子以氢氧化物形式沉淀时溶液的pH见下表)

沉淀物Fe(OH)3Al(OH)3Fe(OH)2Mg(OH)2
开始沉淀2.73.87.59.4
完全沉淀3.25.29.712.4
 

(3)滤渣A的主要成分为      ,滤液B可以回收的物质有____________;

(4)简述洗涤过程的实验操作                                    

(5)已知硫酸渣质量为w kg,假设铁红制备过程中,铁元素损耗25%,最终得到铁红的质量为m kg,则原来硫酸渣中铁元素质量分数为        (用最简分数表达式表示)。

题型:单项选择题

某对外贸易公司2008年7月发生如下经济业务:
(1)7月2日向某汽车贸易公司购进20辆国产车辆,购进价为不含税价8万/辆,3辆作为业务车供销售部使用,其余出口,出口离岸价每辆10万;国家税务总局规定同类车辆最低计税价格为 9.3万元;(税务机关认为8万属于明显偏低,且依据不充分)
(2)向某汽车厂购买一辆自用的载货汽车及配套的备用件,分别取得机动车统一发票载明的价税合计款245700元,备用件价款3627元,货款已付,汽车已办理登记注册并交付使用;
(3)接受捐赠小汽车1辆,经税务机关审核,参照国家税务总局规定同类型应税车辆的最低计税价格为90000元,小汽车的成本为70000元,成本利润率为10%;
(4)将1辆自产的车辆作为奖励奖给研发部的回国留学人员王某自用,同类车辆的售价为每辆10万元,该车辆以公司名义登记上牌。
根据以上资料,回答下列问题:

该公司第(2)笔业务的车辆购置税的计税依据为 ( )万元。

A.21.31

B.24.93

C.22.93

D.23.8

题型:单项选择题

POP3采用______模式,当客户机需要服务时,客户端软件(Outlook Express或FoxMail)与POP3服务器建立______连接。

A.TCP
B.UDP
C.PHP
D.IP

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