患者男性,40岁,因寒战高热,咳嗽,胸痛,来院急诊。胸透右上肺有云絮状阴影。查痰肺炎

题型:单项选择题

问题:

患者男性,40岁,因寒战高热,咳嗽,胸痛,来院急诊。胸透右上肺有云絮状阴影。查痰肺炎球菌(+),该患者血常规检查如何

A.嗜酸性粒细胞增加

B.淋巴细胞增加

C.中性粒细胞增加

D.大单核细胞增加

E.嗜碱性细胞增加

考点:医院评审三基考试护理学三基考试临床三基训练呼吸内科
题型:单项选择题

致龋能力最强的糖是()

A.果糖

B.蔗糖

C.乳糖

D.葡萄糖

E.麦芽糖

题型:单项选择题

如图所示,绝热气缸中间用固定栓将可无摩擦移动的导热隔板固定,隔板质量不计,左右两室分别充有一定量的氢气和氧气(视为理想气体).初始时,两室气体的温度相等,   氢气的压强大于氧气的压强,松开固定栓直至系统重新达到平衡下列说法中正确的是

[ ]

A.初始时氢分子的平均动能大于氧分子的平均动能

B.系统重新达到平衡时,氢气的内能比初始时的小

C.松开固定栓直至系统重新达到平衡的过程中,有热量从氧气传递到氢气

D.松开固定栓直至系统重新达到平衡的过程中,氧气的内能先增大后减小

题型:单项选择题

阅读理解

     Attempt a guess at the following question: In the English-speaking world, which country has the least

affordable homes? You are wrong if you guessed the US, even with the housing bubble (气泡) and main

sadness.  Nor is it the UK, where prices have risen because demand is far from supply.  According to a

recent survey of 227 cities around the globe, you must go south of the equator (赤道) to Australia to find

the priciest homes.

     The report measured a city's housing market along the following guidelines.  An "affordable" home

required three times or less of the average family's income to purchase.  At four times earnings, a home fell into the "unaffordable" category.  And a "seriously unaffordable" home needed five times a family's income.  In Australia, homes in the least affordable city cost just about 9. 5 times the average income.  Sydney,

Perth, and Melbourne were only a little under this figure.

     Australian officials offered little comment, apart from a general statement on the dismal findings.  These prices make the possibility that many Australians will one day own a home largely unbelievable.  Land

rationing (配给制) and excessive development charges have raised prices, and the problem will only be

solved through urgent action by the Rudd government.

     Some American cities were also included on the least affordable list, four of which were in California.  America is still involved in a mortgage(抵押)crisis, though, affecting the affordability of homes.  Yet a

number of US cities garnered "affordable" status, namely Dallas and Kansas.  Australia had no cities listed

in the top fifty places with affordable homes.

     The survey suggests that you can find affordable homes in most places, just not if you're Australian and choose to live down under.

1. To buy an affordable house, you should pay _____. 

A. 3 times or less of the average family's income

B. 4 times or less of the average family's income

C. 5 times or less of the average family's income

D. 9. 5 times or less of the average family's income

2. What caused the prices of houses to increase in Australia?

A. The rising family's income. 

B. The demand over supply. 

C. The excessive development charges. 

D. The decrease of land.

3. The underlined word "dismal" in Paragraph 3 may mean _____. 

A. cheerful      

B. satisfactory 

C. difficult        

D. gloomy  

4. What might be the most suitable title for the passage?

A. Affordable Houses

B. A House is a Dream First

C. Housing Bubble

D. Homes Too Expensive

题型:单项选择题

强心苷不具有下列哪项作用

A.动脉压升高,外周阻力上升

B.利尿作用

C.中毒量可引起中枢神经兴奋

D.T波幅度减少,S-T段降低

E.加速房室传导

题型:单项选择题

数字微波通信中,波道切换在要()无时延差时进行.

A、主备波道之间

B、主备两路PCM数据流之间

C、发射机与接收机之间的信号

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