男性,50岁,体育老师。游泳课时突然出现胸痛,休息后无缓解。呼叫救护车,医护到场后检

题型:单项选择题 案例分析题

问题:

男性,50岁,体育老师。游泳课时突然出现胸痛,休息后无缓解。呼叫救护车,医护到场后检查,BP90/60mmHg,R12次/分,神清,双肺呼吸音清,HR80次/分,偶可闻及早搏,EKG提示:VST段抬高,偶有室性早搏。回院途中,突然抽搐,意识丧失,唇面发绀,大动脉搏动消失。

患者最可能是()

A.Ⅲ度AVB

B.窒息

C.室颤

D.主动脉夹层破裂

E.房颤

考点:广东住院医师眼科学急诊科急诊科题库
题型:单项选择题 案例分析题

阅读下面的文字,完成下列各题。(共22分)

我还没有见过长城

吴伯萧

真惭愧,我还没有见过长城。

②万里长城,孩提时的脑子里就早已印上它伟大的影子了。读中国古代史,知道战国时候,魏惠王、燕昭王、胡服变俗的赵武灵王,都曾段落地筑过长城,来卫国御胡;秦始皇遣蒙恬斥逐匈奴之后,又因地形,制险塞,从临洮至辽东将长城来了个连络的修筑,广袤万余里;工程的浩大,那不是隋朝的运河,非洲的苏伊士所能比拟的。秦始皇焚书坑儒,建阿房,销兵器,千百年来在人们的脑子里留下的是一个暴君的影子。独独万里长城至今亮在祖国人民的心里,矗立在祖国连绵的山上,成为四千余年文明古国的标志。这不是因为万里长城是秦始皇的什么丰功伟绩,而是因为它是几千万古代劳动人民血肉的结晶!

③曩昔,在万年书屋,听主人告诉:有一次趁京绥车,过南口车站,意欲去青龙桥,偶尔站台小立,顺了一目荒旷的山麓望去,遥瞻依地拨天的万里长城,那雄伟的气象,使你不觉要引吭高呼。嵯峨的山巅上是蜿蜒千回的城墙,是碉堡,是再上去穹窿似的苍天。山下是乱石,是谷壑,是秋后的蔓草婆娑。西风刷过,那一脉萧萧声响,凄凉里含了悲壮,令人巍然独立,觉得这世间只有自己,却又忘怀了自己。很记得,主人说时,从沙发椅上跳起来,竖起大拇指,蔼然的脸上满罩了青年的光辉。记得从万年书屋出来的归途,披了皎洁的三五月,自己迈的是鸵鸟般的大步。

④又一回,一个青年画家朋友,谈到自己绘画的进步,说几乎像英国拜伦一觉醒来成了桂冠诗人一样,是逛了一次长城,才将笔法放开,心胸也跟着宽阔了的。那谈吐的神情,也简直令人疑惑他生生吞下了一座长城的关口。是呢,听说太史公司马迁周览了名山大川,文章才满蕴了磅礴的奇气。江南风物假若可以赋人以清秀的姿容,艳丽的才藻,塞北的山峦与旷野是会给人以结实的体魄,雄厚的灵魂的。啊,长城!

⑤从山海关一路数去,你知道么?像喜峰口、古北口,像居庸关、雁门关,一个个中原的屏藩要塞,上口真要有霹雳般的响亮呢。一夫当关,万夫莫敌,守得住一处,就可保得几千里疆域。啊,真愿意挨门趋访,去问问古迹,温温古名将的手泽,从把守关口的老门丁和城下淳朴的住户那里,听取一点孟姜女的传说,可是我还没去?我还没有见过长城!

⑥朋友,你可想过,在长城北边,那黄河九曲惟富一套的地方,带一帮茁壮的男女,去作一番辟草莱斩荆棘的开垦事业么?你可想过,在兴安岭东南阴山山脉的南部那一抹平坦的原野、去借滦河、饮马图河的流水,春夏来丰茂的牧草,来编柳为棚,垒土为壁,养骆驼,榨牛奶么?不然,骑马去吧!在平沙无垠的原野里,你尽可纵身于野马群中,跨上一匹为首的骏骥,其余的会跟你呼啸而至的。那边塞寒冬霏雪凝冰时的生活,你也想尝尝么?汉王昭君曾戎装乘马抱琵琶出塞而去;中帼中有此矫健,难道你堂堂须眉就只知缩了尾巴向后退么?

唉,说什么,朋友,我还是没见过长城!在恨着自己,不能像大鹏鸟插翅飞去;在恨着自己;摆不脱蜗牛似的蹊径,和周身无名的链索。“匈奴未灭,何以家为!”汉骠骑 * * 霍去病那才算有骨头!无怪他六出伐匈奴,卒得威震异域。

我还没见过长城!但是,长城我是终于要见见的!有朝一日,我们弟兄从梦中醒了,弹一弹身上的懒惰,振一振头脑里的懵懂,预备好,整装出发,我将出马兰峪,去东北的承德,赤峰;出杀虎口,去归绥,百灵庙;从酒泉过嘉峪关,去安西、哈密、吐鲁番。也想,翻回来,再过过天下第一关,去拜拜盛京,问候问候那依旧的中国百姓!

⑨长城,登临匪遥,愿尔为祖国屏障,壮起胆来!

(写于1936年,有改动)

小题1:作者开篇就说“真惭愧,我还没有见过长城”,他“惭愧”的原因是什么?(4分)

小题2:(1)第③段中写到万年书屋的主人讲述自己路过南口车站的经历,他在看长城时为什么分“忘怀了自己”?(3分)

(2)作者在第段中写自己将出长城名关驰骋北疆,这其中蕴含着怎样的情感?(3分)

小题3:“我还没有见过长城”一句在文中多次出现,请简析这样写的作用。(6分)

小题4:本文要表达的主旨是什么?为什么要借写长城来表现这一主旨?(6分)

题型:单项选择题 案例分析题

在如图电路中,已知电源电动势E=6V,r=1Ω,R1=2Ω,R2=6Ω,R3=6Ω,则流过电源的电流大小为 ( )

A.0.5A

B.1A

C.1.2A

D.2A

题型:单项选择题 案例分析题

Scientists have created a “ human-like robot” that can dance and do the housework.

“ Mahru” has been developed to imitate humans and can move its lips, eyebrows and pupils(瞳孔). The machine can also move its upper and lower body freely and automatically stop itself when walking.

In addition, it has been programmed to give out two kinds of pleasant smells to match its emotions.

The 1.5 tall robot was produced by researchers at the Korea Institute of Science and Technology (KIST) and is the first South Korean- developed machine of its kind.

“‘Mahru’ will open the way for the commercial use of humanoid robots doing housework,” You Bum-Jae, leader of the development research team ,said. “‘Mahru’ can dance while walking on its legs and is able to work in place of a human.”

Through an advanced motion capture (捕获) system, “Mahru” can follow a variety of human movements and move its hands freely enough to deal with any obstacles that may get in its way when walking.

State-funded KIST showed the robot during a presentation at its head office in Seoul.

People here were treated to an entertaining demonstration which saw the robot show off the full range of its skills, most notably s series of dance moves.

The research team added that they had designed another “ Mahru”, this time with sensors(传感器) allowing it to distinguish(分辨) between faces and objects.

The showing of “ Mahru” came a week after researcher in Japan said they had created the “most human-like” robot in the world. A team at robotics department of Osaka University in Japan claimed that “ robogirl”, Repliee R-1, “ looks, moves and interacts (相互作用) like a human, and has silicone(硅胶) skin that feels almost human to the touch.”

小题1: “Mahru” made by KIST can do the following things EXCEPT____________

A.dance with other human –like robots

B.move its body freely

C.stop automatically when walking

D.express certain feelings through smells小题2: According to what You Bum- Jae said in Paragraph 5, his research team wants to ________.

A.help robots with doing housework

B.show its scientific power

C.make Mahru offer more fun

D.explore Mahru’s commercial use小题3: When Mahru” meets something in its way, it will be likely to________.

A.go around it

B.turn back quickly

C.deal with it using its hands

D.ask humans for help小题4:According to the last paragraph, Repliee R-1 __________.

A.is another Mahru

B.was made by KIST

C.has skin feeling similar to humans’

D.looks like a boy小题5:The passage is probably a  __________.

A.news report

B.research report

C.healthy report

D.entertainment report

题型:单项选择题 案例分析题

回购定盘利率每日()发布。

A、9:00

B、10:00

C、11:00

D、12:00

题型:单项选择题 案例分析题

阅读下列材料,回答问题

材料一:

英国科学家李约瑟博士在他的巨著《中国科学技术史》中写道:中国人“在许多重要方面,有一些科学技术发明,走在那些创造出著名的希腊奇迹的传奇式人物的前面,和拥有古代西方世界全部文化财富的阿拉伯人并驾齐驱,并在公元3世纪与13世纪之间保持一个西方望尘莫及的科学知识水平。

材料二:

有人说,中国的四大发明不是中国文明的顶尖级代表,甚至不能完全代表中国古代科技的最高水平。

材料三:

中国数千年的文明史,古圣贤的道德、教诲、祖宗制度的成法,是古代辉煌的象征,同时也是进取的阻力。立论,言必称三代;著文,开篇子日诗云;行事,祖宗成法不可更改。因循守旧,不思变革,是我们伟大民族的另一种“色彩”。——摘自《中西对比500年》

中国人取得的让“西方望尘莫及”、并对人类世界步入近代社会产生重大影响的科技成就有哪些?

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