第一心音到第二心音期间代表（　　）

(1)【◆题库问题◆】：[单选] 第一心音到第二心音期间代表（　　）
A．心室舒张期
B．心室收缩期
C．心房收缩期
D．心房舒张期
E．等容收缩期

【◆参考答案◆】：A

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(2)【◆题库问题◆】：[单选] On SundaysI prefer _______ at home to _______ out．
A．to stay…go
B．stay…going
C．staying…going
D．staying…go

【◆参考答案◆】：C

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(3)【◆题库问题◆】：[单选] 肺泡表面活性物质减少将导致（　　）
A．肺弹性阻力减小
B．肺顺应性增大
C．肺泡表面张力降低
D．肺难于扩张
E．小肺泡内压小于大肺泡内压

【◆参考答案◆】：D

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(4)【◆题库问题◆】：[单选] 脾浊音区缩小，见于下列哪种疾病（　　）
A．左侧气胸
B．肺气肿
C．胃肠功能紊乱
D．腹腔积气
E．肠梗阻

【◆参考答案◆】：A

【◆答案解析◆】：略

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(5)【◆题库问题◆】：[单选] 全胃肠营养液中必需氨基酸和非必需氨基酸的含量是（　　）
A．1：1
B．1．2
C．2：1
D．1：3
E．3：1

【◆参考答案◆】：B

【◆答案解析◆】：略

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(6)【◆题库问题◆】：[单选,材料题] What can we conclude from this passage?回答下面的题目Two hundred years ago, American studentswent to American schools． Like you, theystudied arithmetic, spelling and geography． Unlike you, they also studied Greekand Latin． In fact, students spent more than half their time studying Greek andLatin．The same was true for most students in EuropE． Until the seventhcentury, all educated Europeans knew Latin．It did not matter if they lived in England or Italy or France orSpain． If they were educated, they knewLatin．During the seventh century, educated Europeans began to study Greek aswell as Latin． Greek and Latin had been the leading languages of the ancientGreeks and Romans． All educated Europeans were expected to know theselanguages．To educated Europeans, the languages of the Greeks and the Romans wereimportant． The ideas of the Greeks and Romans were also important． People knewthat many of their own ideas had come from the Greeks and the Romans． Tounderstand their own culture, they must understand its origin． They knewthat those beginnings lay in the classical worlD．Today we have so many things to study that few people have time to learnGreek and Latin． Few of you will study either language in school． Yet the ideasof the Greeks and the Romans are still important to us． These ideas still helpto shape Western culture today． To understand our own culture, we must understandthe culture of the classical worlD．A good synonym for "origin"is________
A．Greeks and Romans significantlyinfluenced European culturE．
B．The Greeks were the founders ofdemocracy．
C．The Greeks and Romans were bitterenemies．
D．People of the classical world werebarbaric and uneducateD．

【◆参考答案◆】：A

【◆答案解析◆】：这篇文章的主要观点是说无论过去大家都学希腊语和拉丁语，还是现在几乎无人学希腊语和拉丁语，罗马和希腊对欧洲文化仍然起着很重要的作用。选项A是正确的。

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(7)【◆题库问题◆】：[单选] 直观时运用变式方法的目的主要是（　　）
A．激发兴趣
B．引起注意
C．丰富想象
D．掌握概念

【◆参考答案◆】：D

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(8)【◆题库问题◆】：[单选] __________the PLA men the villagers wouldnot have survived the flooD．
A．It had notBeen for
B．Had it notBeen for
C．Were it not for
D．Has it notBeen for（　　）

【◆参考答案◆】：B

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(9)【◆题库问题◆】：[单选,材料题] The reasonwhy all the solar energy falling on the earth can’t be utilized is that ______．根据以下内容，回答下面的题目。The energy which the sun radiates goes inevery direction, and only a minute part of it falls on the earth．Even so, it represents power of about 5,000,000 horsepower (马力) per square mile per day; the sun gives us as much energy everymiunte as mankind utilizes in a year．At present, we usethis energy indirectly, and it is our final source of power．Coal represents the chemical action of the sun on green plantsthousands of years ago．Water power results from therain formed by vapor which comes from the evaporation of water under thesunshinE．Even windmills operate because of air currentsset in motion by the different heating affects of the sun in different places．Some day, through chemistry or some type of solar engine, we shallharness this great source of energy more directly．Alreadya scientist has worked out an engine, surprisingly efficient, in which the sun’srays are concentrated through mirrors on a tube of water to create steam．How muchenergy given off by the sun reaches the earth?
A．only a verysmall part is available
B．the sun istoo distant from the earth
C．it takesthousands of years for this energy to be stored up in coal and oil
D．ourscientific knowledge is not sufficient

【◆参考答案◆】：D

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(10)【◆题库问题◆】：[单选] The film in my camera is finisheD．I need to get it__________．
A．cut
B．cleaning
C．to test
D．developed

【◆参考答案◆】：D