男性患者,23岁,右心房、室增大,肺动脉段凸出,两肺门大而搏动增强,右下肺动脉干增粗

题型:单项选择题

问题:

男性患者,23岁,右心房、室增大,肺动脉段凸出,两肺门大而搏动增强,右下肺动脉干增粗达17mm,两肺纹理增多增粗,边界清晰,肺野透过度正常,其肺循环变化是()

A.肺少血

B.肺充血

C.肺淤血

D.肺出血

E.肺栓塞

考点:上海住院医师神经内科医学影像科医学影像科题库
题型:单项选择题

根据材料内容选择最佳答案,将其标号填入题前括号内。

    Earthquakes can be very scary. But you need to keep your mind stable (坚定的) in order to make sure you

are safe. Be calm and try not to run here and there.

    If you manage to come out of your house, go to an open space like a garden or a park where you will be a lot

safer. If you live quite some floors above in your building, try to find a place near a bulky object such as a bed.

Curl up (蜷缩) and sit on the floor and make sure you are not near a window, fireplace, gas stove and so on.

Remember don't use lifts or escalators.

    Some people say you should on a doorway. That is not true. If the doorway jambs (侧壁) are weak, they

might fall on you. Also if people want to pass through that door, you may stop them. Leave all doorways free.

    Another important thing to keep in mind is that you mustn't climb down the stairs during an Earthquake. If

the tremors (震动) stop, after a few seconds, just climb down the stairs as quickly as you can and move out of

the building, but don't run.

    Earthquakes usually destroy gas pipes and electrical wires. Turn off the main gas. And don't light candles or

lighters and create an even bigger disaster.

    If you're driving and feel a shake, stop your car at the side of the road and get out. Make sure you are not on

a bridges and overhead roads (高架路) have the biggest danger of falling.

1. The best title for the passage should be             . [ ]

A. Dos and Don'ts Before an Earthquake.

B. What to Do in Case of Earthquake

C. Tips for Earthquake Preventions

D. Tips for Children in Earthquake.

2. The underlined word "bulky" in Paragragh 2 probably means              . [ ]

A. soft

B. large

C. small

D. tall

3. When an earthquake suddenly happens, you should             .

   a. remain standing near a window     b. turn off the main gas

   c. stay in an open space                   d. stand on a doorway

   e. keep off overhead roads [ ]

A. a, b, c

B. c, d, e

C. b, c, e

D. b, d, e

4. Which of the following is NOT true, when an earthquake suddenly happens? [ ]

A. We can't use the lift.

B. Curling up may be very dangerous.

C. We must turn off the gas.

D. We must get out of the car when the earthquake comes

5. It can be learned from the passage that             . [ ]

A. keeping calm in time of earthquake is very important.

B. measures should be taken to make buildings stronger.

C. Knowledge of first aid is must be done in an earthquake.

D. lots of things must be done to survive an earthquake.

题型:单项选择题

阅读下面的文章,完成后面问题。

菩提树                       吴冠中

“一方水土养一方人”,此话已经不新鲜。

“全靠这公园养我们这方的老人和儿童。”一位邻居指着我们楼群中的小公园感慨地说。

我们这个公园长约数百米,宽约百米,布满高大的垂柳、雪松、槐树、泡桐及各种形态和色彩的丛丛灌木,到处缠绕着枝藤,点缀着花朵,既郁郁葱葱,又疏密掩映,颇有山间丛林的氛围,四周的高楼因而被推向了遥远。林木花草引来老人,持手杖的、扶双拐的、坐轮椅的、驼了背仍艰难地独自迈步的、面壁似的对着松柏吸精气的,显然,老人们都在为生命的延续而挣扎。老太太们不爱走路,大都扎堆坐着聊天,各人的拐棍搁在一边,歪歪斜斜,像放下的武器。她们专注于交头接耳聊天,如果忽视其满脸皱纹的衰老与憔悴,单看那一群银白、灰白的头发之交错,倒是颇具特色的美丽的绘画色调。

人过中年,各种疾病,叩门而至,因而公园里中老年人的锻炼队伍日益扩大,一群群、一组组,在集体做各式各样的功,有摇臂拍掌的、有扭腰踢腿的、还有席地朗诵的。公园里仅有三个类似袖珍广场的小空地,挤不下太多集体活动,因而我注意到从清晨6点到9点之间,他们是轮班活动的,像从深海到浅海的鱼群,各自固定在自己的时空定位里。中午前后公园里很寂静,偶有骑自行车来相拥抱的情人,在此找到他们的伊甸园。下午4点以后,虽仍有老人来漫步,但主要是婴幼儿的乐园了,各家的阿姨带着各家的孩子,孩子蹦跳穿梭,像一簇簇流动的花朵。有些婴儿尚躺在坐车里,婴儿的坐车往往与老人的轮椅狭路相遭遇!

夏末秋初,树叶的颜色开始递变,黛绿间疏黄,残红隐现。地面撒落着细长的柳叶、阔大的桐叶,以及像桂花似的不知名的黄色碎点……统统织入树枝的网状投影里。一年一度春秋,老人们依然在攀登他们的人生之路,虽然明知体质一年不如一年了,谁也违抗不了自然规律。其实景物也一样,今天的春花秋叶已不是去年的她们。十年树木,这个公园的开辟不足十年,已森森然;百年树人,婴儿与老人间似乎遥远,但今天相遇在小小的公园里,却展现了人生的短促。人们只见到眼前老人的多病痛,看不到他们已为人类社会付出的艰辛。人老了,人老得如此快,极少人能躲过老年的病痛与孤独,诚然,人生最苦是晚年。在这个小小的公园里,释迦牟尼看到了生、老、病、死,因之他出家成佛去,为了永生吧!确乎,躯体必将消灭,但却有永不消灭的思想。

我又想到释迦牟尼成佛之菩提树下。我先前没有见过菩提树,五十余年前经过锡兰(今斯里兰卡)哥仑坡,像印度一般的民俗风貌,小贩卖点心有用菩提树叶包托的,我触景记下了感受:“南国、古国、佛国,邋遢与乌黑。今日人间穷个不得了,哥仑坡犹如及普的(非洲一港口),无端向人讨来一片菩提叶。”

光阴似箭,今日自己也老了,被无情的岁月推入了老年的行列。无奈激情不肯老,适应不了老年生活规律,打牌、下棋、养鸟、种花都不能吸引我。到这公园来漫步,是等待成佛的唯一通道吗?我在此寻找菩提树,没有。有,发现棵棵都是菩提树,菩提树的根,原来伸展在各人的心脏深处。

小题1:结合文本理解文中画横线句子的深刻含义(5分)

小题2:本文第三段、第五段描绘春天和夏末秋初的林木花草,这些景物描写分别有什么作用?(6分)

小题3:文章结尾“我在此寻找菩提树,没有。有,发现棵棵都是菩提树,菩提树的根,原来伸展在各人的心脏深处”可谓意味深长,请结合全文和你的生活实际谈谈认识。(8分)

题型:单项选择题

四唑嘧磺隆,唑吡嘧磺隆,三氟甲磺

题型:单项选择题

无论是经营杠杆系数变大,还是财务杠杆系数变大,都可能导致企业的总杠杆系数变大。

题型:单项选择题

材料一:18世纪英国建筑师威廉说:“中国人设计园林的艺术是无与伦比的。欧洲人在艺术方面无法和东方灿烂的成就相提并论,只能像对太阳一样尽量吸收他的光辉而已。”材料二:“现代世界赖以建立的种种基本发明和发现,可能有一半以上源于中国。”这是英国学者罗伯特坦普尔对著名科学史学家李约瑟的巨著《中国科学技术史》进行提炼后得出的结论。材料三:中国幅员辽阔、区域文化特征使民族文化异彩纷呈。如“华东的水乡文化,内陆的山寨文化,藏族洁白的哈达,维吾尔族独特的舞蹈等。”

三则材料共同反映了中华文化的什么特征?

更多题库