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问题 单项选择题 A2型题

艾森门格综合征的主要病理生理变化是（）

A.左心室压力增高

B.右心室压力增高

C.肺动脉压力异常增高

D.肺血流量异常增加

E.主动脉压力异常增高

答案

参考答案：C

解析：先天性心脏病大量左向右分流量使肺循环血流量增加，可出现容量性肺动脉高压，甚至阻力性肺动脉高压；当右心室收缩压超过左心室收缩压时，左向右分流逆转为双向分流或右向左分流，出现发绀，称为艾森门格综合征。故肺动脉压力异常增高为艾森门格综合征的主要病理生理变化。

单项选择题

因项目无法完工、延期完工或完工后无法达到预期运行标准而带来的风险是( )

A．技术风险
B．信用风险
C．金融风险
D．建设开发风险
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单项选择题

It seems incredible to me that Latin is not taught in schools as a matter of course, especially in a country that is forever lamenting its own (undeniable) mediocrity when it comes to speaking foreign languages. As a 13-year-old, I hardly approached my own Latin lessons with anything resembling enthusiasm—I might have been keener if Aeneas went to the shops occasionally—but I am terrifically grateful I had them, all the same.
The benefits are many. Having a basic grounding in Latin makes learning Romance languages a doodle(轻而易举的事): the fact that I speak English plus three others has less to do with any genetic predisposition—I was hopeless at learning Russian—than with an understanding of the root and provenance of Latin-derived words.
It would be impossible to have a smattering of Latin and find oneself stuck in Italy, provided one managed to persuade the speaker to slow down a bit. And the reason I can (arguably) just about string a sentence together in English—which isn’t my first language—has a great deal to do with understanding, through Latin, the way sentences and grammar work.
Latin also has its own pleasing internal logic: you follow the rules and you get the answer. And I really believe that if you know Latin, you half-speak French already. The British used not to be appalling at languages: my theory is that they only became so during the past century, when Latin stopped being widely taught.
Detractors(恶意批评者) might point out that there is little use in learning a dead language. But Latin is not dead: it’s everywhere. It makes the kind of people who never use two short words when six big ones will do intelligible. It demystifies jargon and legalese. It helps with crosswords. It even forces those of us who are pathologically illogical to think logically every once in a while: I remember the pleasure I felt at school, during Latin translation, when I realized I could create order and sense out of apparent chaos.
Really, Latin’s useful applications are manifold. Watching Who Wants To Be A Millionaire a few weeks ago, I noticed that the question which felled the contestant would almost certainly not have stumped him had he had some Latin. Of all the possible answers, only one had a Latin root that echoed the question. From Cicero to Chris Tarrant in a few easy steps, you can’t say more modem or less dusty than that.

One of the benefits to learn Latin is that ______.

A．it makes it easier to learn some other languages

B．it helps a lot in learning Russian

C．it helps to improve mental health

D．it helps the writer speak four tongues
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