对胸内压和肺内压的下列说法,正确的是(  )对胸内压和肺内压的下列说法,正确的是(  )

习题答案
考试通关必备网站

对胸内压和肺内压的下列说法,正确的是(  )

(1)【◆题库问题◆】:[单选] 对胸内压和肺内压的下列说法,正确的是(  )
A.吸气时胸内压为负压
B.呼气时胸内压为正压
C.呼气末肺内压低于大气压
D.气胸时胸内压变为负压
E.肺内压总是低于大气压

【◆参考答案◆】:A

(2)【◆题库问题◆】:[单选]
A.sew
B.threw
C.drew
D.blew

【◆参考答案◆】:A

(3)【◆题库问题◆】:[单选,材料题] _________根据以下内容,回答下面的题目。Insure means to protect _51_ a loss of money.Most people can budget their money so that their income will cover expected expenses _52_ food, clothing, housing, and public services.But, there is no way to know _53_ who will suffer a crisis (危机) such as a serious illness, fire, flood, or a car accident.Such crises usually _54_ great expensE.Even if people could predict crises, it would be hard to save enough money to _55_ the expenses.Insurance is a system _56_ a company collects money from many individuals and then pays certain expenses whenever one of those insured individuals is faced with a certain crisis.An insurance policy _57_ how much the insurance costs and how much the company will pay when a policy holder is faced with a certain crisis.There are many different kinds of insurance, _58_ hospital, motor-car and firE.Insurance can be rather expensive but most people buy insurance of some kinD.Insurance is something _59_ people buy and hope they will _60_ neeD._________
A.predict
B.ahead
C.in advance
D.earlier

【◆参考答案◆】:D

(4)【◆题库问题◆】:[单选,材料题] _________根据以下内容,回答下面的题目。Insure means to protect _51_ a loss of money.Most people can budget their money so that their income will cover expected expenses _52_ food, clothing, housing, and public services.But, there is no way to know _53_ who will suffer a crisis (危机) such as a serious illness, fire, flood, or a car accident.Such crises usually _54_ great expensE.Even if people could predict crises, it would be hard to save enough money to _55_ the expenses.Insurance is a system _56_ a company collects money from many individuals and then pays certain expenses whenever one of those insured individuals is faced with a certain crisis.An insurance policy _57_ how much the insurance costs and how much the company will pay when a policy holder is faced with a certain crisis.There are many different kinds of insurance, _58_ hospital, motor-car and firE.Insurance can be rather expensive but most people buy insurance of some kinD.Insurance is something _59_ people buy and hope they will _60_ neeD._________
A.result from
B.make
C.take
D.result in

【◆参考答案◆】:C

(5)【◆题库问题◆】:[单选] 下列关于肺的叙述,正确的是(  )
A.肺位于胸膜腔内、纵隔的一侧
B.肺尖位置可高达胸廓上口
C.深吸气时,肺的下缘可伸入到肋膈隐窝内
D.肺的内侧面的上部有呈椭圆形凹陷的肺门
E.以上都不正确

【◆参考答案◆】:E

【◆答案解析◆】:略

(6)【◆题库问题◆】:[单选] 心肌不会产生强直收缩,其原因是(  )
A.心肌是功能上的合胞体
B.心肌肌质网不发达,Ca2+贮存少
C.心肌的有效不应期特别长
D.心肌有自律性,能自动节律收缩
E.心肌呈“全或无”收缩

【◆参考答案◆】:C

【◆答案解析◆】:略

(7)【◆题库问题◆】:[单选] Hardly________a good job without putting his best foot forward at his job interview.
A.ever Jim gets
B.ever has Jim get
C.ever Jim may get
D.ever does Jim get

【◆参考答案◆】:D

(8)【◆题库问题◆】:[单选] 在抗凝血酶中,最重要的是(  )
A.抗凝血酶Ⅰ
B.抗凝血酶Ⅱ
C.抗凝血酶Ⅲ
D.抗凝血酶Ⅳ
E.抗凝血酶ⅡⅤ

【◆参考答案◆】:A

(9)【◆题库问题◆】:[单选] 中枢化学感受器最敏感的直接刺激物是(  )
A.脑脊液中的C02
B.血液中的H+
C.血液中的CO2
D.脑脊液中的P(O2)降低
E.脑脊液中的H+

【◆参考答案◆】:E

【◆答案解析◆】:略

(10)【◆题库问题◆】:[单选,材料题] 本文提供的最主要的信息是 ( ) 阅读下面的现代文,完成下面的题目:随着计算机和网络技术的发展,特别是加密技术的进步,开始出现了电子现金这一新的货币形式。电子现金是一种通过电子方式进行银行署名的数字信息。 它和信用卡不一样,信用卡本身并不是货币,而是一种转账手段,电子辊金本身就是一种货币,可以直接用来购物。但它又和金币、纸币不一样,黾没有物理实体的货币,需要通过数据的交换实现现金的功能。 电子现金是一种数字信息,它和纸币一样,本身没有价值所以有被伪连的危险。为此要使用电子签名等加密技术。从技术上说,电子签名比纸币 上使用的水印更难伪造。但电子现金和其他数字信息一样容易复制。因此,需要防止电子 现金持有者将其复制。然后向多家店铺支付。另外,电子现金的匿名性会给来路不明的钱财提供辩洗钱的方便,这点需要防范。 电子现金蕴藏着创造巨大的数字商品市场的可能性,所谓烫字商品就是在交易中不用真的商品在场,只把有关商品的信息列出供选购,到提货时二一取出真正的商品。在数字商品市场中,靠电子现金和数字商品间的信息交换完成交易无论生产地和消费地相距多远,都可以一样进行交易,交易所花的费用几乎为零,所以今后一样将得到巨大的发展。对“电子现金”的解说,正确的一项是( )
A.电子现金的出现,为创造巨大的数字商品市场提供了条件。
B.电子现金的出现,推动了数字商品市场的建立和发展.
C.电子现金的出现,促进了商品交换的数字化和信息化。
D.电子现金的出现,提高了商品信息交流的速度和质量。

【◆参考答案◆】:A

未经允许不得转载:小小豌豆-答案网 » 对胸内压和肺内压的下列说法,正确的是(  )

我来解答

匿名发表
  • 验证码: