题目内容

低血钾引起代谢性碱中毒是由于肾小管

A. H+-Na+交换增强
B. H+-K+交换增强
C. K+-Na+交换增强
D. HCO3ˉ重吸收增强
E. NH4+-K+交换减弱

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婴儿5天,生后母乳喂养。近3天来母亲乳腺发炎。今日由外婆来儿童保健门诊咨询。 该婴儿如进入第4个月.其动作的发育至少应该为

A. 俯卧时抬头3~5秒
B. 俯卧时抬头6~8秒
C. 抬头很稳
D. 已能独坐
E. 两下肢能负重

肾血流量与全身血液循环相配合主要靠下列哪项来调节

A. 自身调节
B. 神经体液调节
C. 负反馈调节
D. 正反馈调节
E. 前馈调节

Like all the huge metropolises of the world, there are lots of diversions both outdoors and indoors in Chicago. The Art Institute of Chicago has one of the world’s (1) art collections, including more French Impressionist paintings than even in the Paris Louvre itself. The Field Museum of Natural History and the Museum of Science and Industry are also great historical and cultural treasure houses to (2) as well as entertain children and adults (3) In the Field Museum one comes (4) a surprisingly big collection of Chinese exhibits from the ancient (5) to the early century. The Sears Tower and the Buckingham Fountain are the pride of the Chicagoans; (6) having 110 storeys is said to be the highest tower in the world and the (7) is the largest fountain in the United States. Lake Michigan is for yachting in summer time, (8) the highlights of Chicago life all the year round are concerts, operas and plays (9) by the city’s orchestra, opera houses and theatres. In summer, especially around the Independence Day, July 4th, many festivals and fairs are given outdoors, which, (10) crowds and crowds of people, with their parades, fireworks, (11) concerts, water-skiing and good foods.But with all its attractions and beautiful spots Chicago is also a city (12) for crimes. All the dwelling houses are (13) with three doors and visitors have to speak through microphone (14) in the wall to the residents before they can get admitted. In the streets there are white-color telephones. When one finds oneself (15) , he needs only to knock the receiver (16) the hook and the next instant the police will (17) . If one does not drive a car, it may well be dangerous for him or her to go out alone in the evening. At first I did not take this warning seriously. (18) , my two encounters with the Black people (19) dusk in the neighborhood were so unpleasant and frightening that I have (20) shut myself evenings in my room, in almost all studying, imposing a curfew on myself. Read the following text. Choose the best word (s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1.8()

A. when
B. as
C. while
D. but

药品零售企业药品的购进票据应保存至超过药品有效期1年,但不得少于( )

A. 1年
B. 2年
C. 3年
D. 有效期后1年
E. 5年

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