问题 单项选择题

关于动物心电图A-B导联的电极放置部位的描述,正确的是______。

A.牛A点位于左侧第5肋间肋软骨与胸骨连线处,B点位于左侧肩胛骨前缘中央
B.羊A点位于左侧第5肋间肋软骨与胸骨连线处,B点位于鬐甲部顶点与右侧肩端连线的上1/4处
C.马A点位于左侧第5肋间肋软骨与胸骨连线处,B点位于鬐甲部顶点与右侧肩端连线的上1/4处
D.犬A点位于左侧心尖部,B点位于左侧肩胛骨上1/3处
E.兔A点位于剑状软骨部,B点位于颈部后1/3处

答案

参考答案:D

完形填空
Peter joined the army when he was eighteen, and    31  several months he    32  how to be a good soldier. He   33 everything except shooting. One day,   34 officer   35  the young soldiers how to shoot. He asked each soldier to shoot ten times,  36  all of them    37  quite well except Peter. After he had shot    38 the target nine times and had not   39  it once, the officer    40 and said. "You are quite hopeless, Peter! Don't    41   your last bullet too! Go behind that    42 and shoot yourself with it !"
Peter did not say    43  and went behind the wall. A few    44   later, the officer and the other young soldiers   45   the sound of a shot.
"Heavens!" the officer said, "   46   that foolish man really shot  47  ?"
He ran behind the wall   48  , but Peter was   49 . "I'm  sorry, sir,"  he said,  "but I 50 again."
小题1:
A.from B.sinceC.withinD.at
小题2:
A.will be taughtB.taughtC.was teachingD.was taught
小题3:
A.wasn't good atB.stopped to doC.did quite well inD.wanted to do
小题4:
A.anotherB.otherC.anD.a
小题5:
A.askedB.learnedC.taughtD.chose
小题6:
A.butB.yetC.justD.and
小题7:
A.are doingB.were doingC.would doD.were done
小题8:
A.atB.fromC.toD.for
小题9:
A.beatenB.knockedC.hitD.touched
小题10:
A.got angryB.was hungryC.was pleasedD.got ready
小题11:
A.leaveB.loseC.wasteD.pass
小题12:
A.houseB.wallC.deskD.target
小题13:
A.anythingB.nothingC.everythingD.something
小题14:
A.weeksB.daysC.yearsD.seconds
小题15:
A.sawB.heardC.listenedD.watched
小题16:
A.DoesB.DidC.HasD.How
小题17:
A.his friendB.the soldierC.himD.himself
小题18:
A.at onceB.at lastC.with a smileD.no longer
小题19:
A.very goodB.badlyC.goneD.all right
小题20:
A.changedB.leftC.missedD.lost
单项选择题