低血压见于（） A．佝偻病  B．小脑疾病  C．震颤麻痹  D．脑性瘫痪  E．高

     Officials say an elephant has killed an American woman and her baby while the family was on a tour in Kenya．Kenya Wildlife Service official Michel Kipkeu said Sharon Brown，39, was holding her one-year-old daughter when they were trampled (踩踏) by the elephant Monday．Melia van Laar, owner of the castle Forest Hotel，where the family was walking with a guide about 2 kilometers from the hotel when an elephant came out from the bush at full speed．The father of the family is a teacher in Naiobi．Friends and colleagues held funeral services Wednesday．

From world leaders on the White House lawn to people at the bus stop，the common handshake is the universal greeting of peace and kindness．But young people are kissing goodbye to traditional social etiquette (礼节)，killing off the handshake, researchers say．The custom is seen as too formal by many, who prefer to touch fists or blow an air kiss instead．Nearly 74 percent of adults shake hands less than they used to — and only 45 percent of under-25s use the greeting．But many prefer no physical contact at all, a side effect of the growing fear of diseases，according to the survey of 1,000 people．

The growing mountain of e-waste will cause great environmental damage if no new strategies are produced to deal with the discarded televisions, mobile phones and computers，the UN Environment Program (UNEP) study said．Electronic waste is piling up around the world at a rate estimated at 40 million tons a year．China produces 2.6 million tons of electronic waste a year,  second only to the United States with 3.3 million tons, it said．LNEP Executive Director Achim Steiner said the globe was ill-prepared to deal with the explosion of electronic products over the past decade．

小题1:What’s the main idea of the 1paragraph?

A．Tour in Kenya

B．Kenya wildlife Service

C．A one-year-old girl trampled by an elephant

D．American mother, baby killed by elephant in Kenya小题2:Yong people wave goodbye to handshakes because     

A．they prefer physical contact

B．many young people think handshaking is too formal

C．they prefer to touch fists or blow an air kiss

D．they are not accustomed to handshaking小题3:What ean be inferred from passage three?

A．America ranks first in producing e-waste a year

B．China produces 2.6 million tons of electronic waste a year

C．the globe was ill prepared to deal with the explosion of electronic products

D．The growlng mountain of e-wasted won’t cause great environmental damage．小题4:The underlined word“discarded”means      

A．disliked

B．deserted

C．scarred

D．scared小题5:The passages are most likely to appear in a/an       

A．brochure

B．science book

C．newspaper

D．magazine

患者男性，70岁，高血压病史20年，血压最高220/130mmHg，近2年无明显诱因出现心慌，曾查心电图为“窦性心动过速”。近1月内2次夜间憋醒，感心慌，急查心电图示“心房颤动”，含服“硝酸甘油”缓解。夜间可平卧，无阵发性夜间呼吸困难。冠心病史15年，无症状发作。5年前诊断“双下肢动脉硬化”。查体：Bp160/80mmHg，体型肥胖，行走缓慢，双下肺可闻及少许细湿啰音。心尖搏动在左锁中线第5肋间，心浊音界无扩大，心率66次min，律齐，心音低钝，余（-）。根据中国高血压防治指南（2004），以下哪些是我国动态血压正常值参考标准？（）

A.24小时平均值<135/85mmHg 

B.24小时平均值<130/80mmHg 

C.24小时平均值<125/75mmHg 

D.白昼平均值<135/85mmHg；夜间平均值<125/75mmHg

E.白昼平均值<135/80mmHg 

F.白昼平均值<130/80mmHg

1984年，有国际媒体评论：“中国政府开放整个海岸，意味着实际开放半个中国，它是三十五年来中国政府所采取的最大胆行动。”这个“大胆行动”指的是： （   ）

A．开放十四个沿海城市

B．设珠江三角洲开放区

C．设立深圳经济特区

D．开放上海浦东新区

肺淤血主要由下列哪种病变引起()

A．肺动脉栓塞

B．急性风湿性心内膜炎

C．空气栓塞

D．左心衰竭

E．肺源性心脏病

可以用鼠疫杆菌多重PCR电泳产生的条带判断弱毒株的方法为（）。

A.产生一条目标条带和一条对照条带

B.产生两条目标条带和一条对照条带

C.产生三条目标条带和一条对照条带

D.不产生目标条带和一条对照条带

E.以上都是