标准Ⅲ导联的连接方法(  )

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(1)【◆题库问题◆】:[单选] 标准Ⅲ导联的连接方法(  )
A.正极夹在左上肢,负极夹在右上肢
B.正极夹在左下肢,负极夹在右上肢
C.正极夹在左下肢,负极夹在左上肢
D.一电极放在右上肢,一为无干电极
E.正极夹在左上肢,负极夹在左下肢

【◆参考答案◆】:C

【◆答案解析◆】:正极左下肢,负极左上肢

(2)【◆题库问题◆】:[单选] 女性,40岁。咳嗽、气短1个月,伴午后发热、盗汗,右侧胸痛。查体:气管左移,右侧胸廓饱满,叩诊实音。最可能出现下列哪项体征(  )
A.右侧呼吸音减弱
B.右侧触觉语颤减弱
C.可听到支气管呼吸音
D.右侧呼吸音消失
E.右侧可听到支气管肺泡呼吸音

【◆参考答案◆】:D

(3)【◆题库问题◆】:[单选] 两封信随机地投入标号为1,2,3,4的4个邮筒,则1,2号邮筒各有一封信的概率等于
A.
B.
C.
D.

【◆参考答案◆】:C

(4)【◆题库问题◆】:[单选] 血中氧分压降低导致呼吸加强的原因是直接兴奋(  )
A.延髓呼吸中枢
B.呼吸调整中枢
C.外周化学感受器
D.中枢化学感受器
E.肺牵张感受器

【◆参考答案◆】:C

(5)【◆题库问题◆】:[单选] 民事活动必须遵守法律,法律没有规定的,应当遵守(  )
A.地方性法规
B.经国家认可的习惯
C.社会公德
D.国家政策

【◆参考答案◆】:D

(6)【◆题库问题◆】:[单选] Do earthquakes ________ often in North America?
A.break
B.break out
C.happen to
D.occur

【◆参考答案◆】:D

【◆答案解析◆】:地震的发生用动词occur,选项D是正确的。【句子大意】北美经常发生地震吗?

(7)【◆题库问题◆】:[单选] From here, we can see the bridge ________construction.
A.below
B.under
C.by
D.with

【◆参考答案◆】:C

【◆答案解析◆】:Below在下面,under在……之下、在……情况中,by经过、在……之旁,with关于、由于。选项C是正确的。【句子大意】从这里我们可以看到正在修建中的大桥。

(8)【◆题库问题◆】:[单选]
A.combine
B.complain
C.comprise
D.complex

【◆参考答案◆】:D

(9)【◆题库问题◆】:[单选] Oceania isa________ landmass.
A.separated
B.B separate
C.separating
D.separately

【◆参考答案◆】:B

(10)【◆题库问题◆】:[单选] 回答{TSE}题Never laugh at a snow covered mountain!Laughter and yelling, during the avalanche season, can cause a deadly pile ofsnow.Huge snow slides are most common in mountains where there are steep slopesthat are well buried in snow and icE.The snow builds up slowly and lands verysoftly.This can create a very touchy, unstable situation.Tons of snowmay be held up by only the friction between snowflakes.The deep snow is like ahouse of cards.The slightest movement can cause it to fall.As soon assomething slips, this great mass of snow will come crashing down themountainsidE.Slides may be started by sound vibrations.They may also be started by the weight of wet, melting snow.Once an avalanchehas been triggered, the cause no longer matters.Moving down a steep slope, itpicks up great speed and added snow.Some avalanches travel as fast as twohundred miles per hour.The force of an avalanche will mow down anything in itspath.Whole houses have been swallowed up by these fast-paced piles of snow.Thewind that is caused by an avalanche is almost as destructive as the snowitselF.Winds from an avalanche have been known to travel as fast as those of atornado.So, when approaching a thicklysnow covered mountain, speak softly!{TS}Avalanches can be started by________
A.falling snow
B.the wind
C.loud sounds
D.friction between snowflakes

【◆参考答案◆】:C

【◆答案解析◆】:【原文大意】永远也不要在大雪覆盖的山上大笑!在雪崩的季节,大笑和大喊都会引起惨重的雪崩。在山上被雪和冰覆盖的陡坡最容易产生大块雪的滑动。雪慢慢地集中起来,轻轻地落下,造成非常敏感且不稳定的态势。数吨的雪可能仅靠雪花之间的摩擦支撑。深深的雪如同纸牌搭的房子,最轻微的活动都会使它倒塌。一旦有东西滑动,巨大的雪块就会冲下山坡。声波会引起滑动,湿的、溶化的雪的重量也可能引起滑动。一旦雪崩产生,其产生的原因就不再重要了。雪崩冲下陡坡,速度在加快,卷入更多的雪。有些雪崩的速度相当于每小时200英里的速度。它的力量可以摧毁沿途的一切。整个的房子被这些急速的雪堆吞噬。由雪崩引起的风几乎同雪崩自身一样是毁灭性的。这些风的速度可与飓风匹敌。因此,当靠近大雪覆盖的大山时,轻声说话!第二段。下雪本身并不能引起雪崩。最后一段说雪崩可引起风,而不是风引起雪崩。雪花之间的摩擦说明积雪不牢固。只有选项c是正确的。

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