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问题 单项选择题

下列哪种疾病最常测到水冲脉

A．颅内压增高

B．房室传导阻滞

C．主动脉瓣关闭不全

D．高血压性心脏病

E．心包积液

答案

参考答案：C

解析：主动脉瓣关闭不全有毛细血管搏动征、水冲脉等体征。

选择题

下列离子方程式书写正确的是（　　）

A．稀H2SO4滴在铜片上Cu+2H+=Cu2++H2↑

B．少量SO2通入足量NaOH溶液中SO2+2OH-=SO32-+H2O

C．稀H2SO4与铁反应2Fe+6H+=2Fe3++3H2↑

D．硫酸铜溶液与氢氧化钡溶液反应Ba2++SO42-=BaSO4↓
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填空题


In the following passage, there are 20 blanks representing the words that are missing from the context. You are to put back in each of the blanks the missing word． The time for this section is 20 minutes.
Where do you really come from And how did you get (1) where you live today DNA studies suggest that all humans today (2) from a group of African ancestors who—about 60,000 years ago— (3) a remarkable journey.
The Genographic Project is seeking to chart new (4) about the migratory history of the human species by (5) sophisticated laboratory and computer analysis of DNA contributed by hundreds of (6) of people from around the world． In this unprecedented and real-time (7) effort, the Genographic Project is closing the gaps of what science (8) today about mankind’s ancient migration stories.
The Genographic Project is a five-year (9) partnership led by National Geographic Explorer-in-Residence Dr. Spencer Wells. Dr. (10) and a team of renowned international scientists and IBM researchers, are (11) cutting-edge genetic and computational technologies to analyze historical patterns in DNA (12) participants around the world to better understand our human genetic roots. (13) three components of the project are: to gather field research data (14) collaboration with indigenous and traditional peoples around the world; to invite (15) general public to join the project by purchasing a Genographic Project Public Participation Kit; (16) to use proceeds from Genographic Public Participation Kit sales to further (17) research and the Genographic Legacy Fund which in (18) supports indigenous conservation and revitalization projects. The Project is anonymous, non-medical, (19) , non-profit and non-commercial and all results will be placed in the (20) domain following scientific peer publication.

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