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早期诊断化脓性关节炎最有价值的检查是（）。

A.X线片

B.血培养

C.白细胞分类与计数

D.测体温与脉搏

E.关节穿液检查

     A．Liu Xiang teaches quake students hurdling

     Chinese hurdler Liu Xiang Monday visited students in a primary school in Bei Chuan

County,a hardhit area in last year's devastating May 12 earthquake,and showed them how

to run hurdles.

     B．Experts: 3G still has a long way to go

While China's three leading telecom operators are playing up the third generation(3G)

telecom technologies,it is likely to take years for 3G services to become popular in China.

     C．China table tennis team swept all 5 golden medals

     Yesterday China team swept all 5 golden medals at World Table Tennis Championships

in Yokohama. Besides these 5 golds,China also gained all 5 silver medals and other 8

bronze medals. The 2 rest bronzed medals are respectively won by Japan and China

Hong Kong.

      D．Sleeping too much or too little increases your risk of Diabetes

     Middleaged or old people who get too little sleep,or too much,are far more likely to

develop diabetes,says scientists. A study has found that those who did not enjoy the

optimum level of seven to eight hours sleep a night were two and a half times more likely to

develop a blood sugar abnormality linked to type 2 diabetes.

     E．Obama seeks to block release of abuse photos

     US President Barack Obama declared Wednesday he would try to block the

courtordered release of photos showing US troops abusing prisoners,abruptly reversing

his position out of concern that the pictures would "further inflame antiAmerican opinion"

and endanger US forces in Iraq and Afghanistan.

     F．Prospects of flu outbreak remain unclear

     US public health expert Laurie A．Garrett said Wednesday that how serious the H1N1

influenza situation is going to develop remains unclear. A Washington state man with H1N1

influenza died last week,health officials said,the third U. S. sufferer to die as the new flu strain

confirmed in more than 2,200 Americans appeared in Japan and Australia.

以下是人物信息,请从上述AF选项中匹配适合他们阅读的新闻:

     1．Liu Ming works as a chairman of a local Ping Pong club in Fo Shan. He shows

great concern for sports news especially the news about Ping Pong. He has never missed a

single Ping Pong match of China Ping Pong Team.

     2．Han Yiwei is a successful CEO of a big International Company in Guangzhou. He

usually flies to other countries for business,so he would like to equip himself with the most

advanced communication appliances and know the news concerning the development in the

communication area.

     3．Han Lei is an 18yearold girl,studying in a high school. She is a sports enthusiast and

is good at tennis and jumping. Besides,she has a particular interest in those sports celebrities.

     4．Chen Lirong just retired from a state enterprise,living with her husband,who is

retired too. They want to arrange their life without work in a better way and enjoy the life

with a healthy body and high spirits. So she particularly pays more attention to their health.

     5．Li Hongyu studies in China Foreign Affairs University,majoring in International

Relationship,and especially he shows great concern for the relationship between America

and the Middle East countries.

A．双格化粪池的两格的容积比例不对，不满足化粪池宽度要求

B．化粪池均应设置通气管与大气相通

C．进水管和出水管的应设置拦截污泥浮渣的设施

D．化粪池不需要设置入孔

人民法庭在基层法治建设中发挥着重要的作用，下列关于人民法庭的表述正确的有（）。

A、人民法庭是基层人民法院的派出机构，是人民法院的最基层单位

B、人民法庭工作开展的成功与否，直接关系到人民法院工作全局

C、推进基层治理法治化，人民法庭既要充分发挥作用，但又不能僭越权限，必须立足审判职能，依法有序参与

D、人民法庭应以审判职能的有效发挥，为人民调解、行业调解和群众自治组织调处化解矛盾纠纷提供法治样本和导向指引

计算题：在桥式整流电容滤波电路中，若负载电阻R_L为240Ω，输出直流电压U_L为24V，试确定电源变压器二次电压，并选择整流二极管和滤波电容（滤波电容器容量表见表D-1）。