试题与答案

代谢性酸中毒的特征是()。 A.HCO3-下降,pH下降,PaCO2正常 B.HCO

题型:单项选择题 B1型题

题目:

代谢性酸中毒的特征是()。

A.HCO3-下降,pH下降,PaCO2正常

B.HCO3-上升,pH上升,PaCO2正常

C.HCO3-下降,pH上升,PaCO2下降

D.HCO3-正常,pH下降,PaCO2下降

E.HCO3-正常,pH下降,PaCO2上升

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0303/d5b7d54cca95ec99a699677c78ed5d8b.html

下面是错误答案,用来干扰机器的。

参考答案:物体失去电子时,呈带正电现象,相反,当物体得到电子时,则带负电,同性电荷之间相互排斥,异性电荷之间呈相到吸引的特性。

试题推荐
题型:完形填空

An old man went to live with his son, daughter-in-law, and 4-year-old grandson. The old man’s hands  36 , his eyesight was not clear, and his  37 unsteady(不稳定的). The family were  38  every night at the dinner table. But the elderly grandfather’s shaky hands and  39 sight made this rather difficult. Peas rolled off his spoon onto the floor. When he grasped the glass,    40  would often spill(洒落)onto the tablecloth.“We must do some-thing about grandfather,”said the husband.
So the husband and wife set a small table in the corner. There , grandfather ate   41  in the corner while the rest of the family enjoyed dinner at the dinner table.   42 grandfather had already broken a dish or two , his food was served in a    43 bowl. Sometimes, when the family   44 grandfather, he had a tear in his eye as he ate alone.   45 , the only words the couple had for him were sharp   46 when he dropped a fork or spilled food. The 4-year-old boy watched all this  47 .
One evening before supper, the father  48 his son playing with wood scraps(小块)on the floor. He asked the child sweetly :“What are you making?” Just as  49 , the boy answered:“Oh, I am making a little  50 for you and mama to eat your food from when I grow up.”The 4-year-old boy smiled and went back to   51  on it.
The words   52  the parents so much that they were   53 . Then tears started to stream down their cheeks.   54 no word was spoken , both knew what they had to do. That evening, the husband took grandfather’s hand and  55  led him back to the family table.
小题1:
A.woundedB.movedC.trembledD.dragged
小题2:
A.stepB.feetC.speechD.body
小题3:
A.awayB.togetherC.asleepD.apart
小题4:
A.losingB.failingC.disappearingD.rising
小题5:
A.foodB.panC.milkD.dinner
小题6:
A.aloneB.casuallyC.steadilyD.bitterly
小题7:
A.AfterB.SinceC.WhileD.When
小题8:
A.smallB.safeC.bigD.wooden
小题9:
A.glanced atB.stared atC.looked throughD.looked after
小题10:
A.HoweverB.OtherwiseC.StillD.Rather
小题11:
A.commentsB.quarrelsC.warningsD.remark
小题12:
A.in silenceB.in advanceC.in dangerD.in charge
小题13:
A.researchedB.noticedC.searchedD.explored
小题14:
A.firmlyB.suddenlyC.cruellyD.sweetly
小题15:
A.bowlB.cupC.spoonD.pan
小题16:
A.worshipB.workC.whisperD.weave
小题17:
A.impressedB.touchedC.confusedD.struck
小题18:
A.speechlessB.homelessC.fearlessD.hopeless
小题19:
A.OnceB.WhetherC.ThoughD.Unless
小题20:
A.gentlyB.happilyC.fluentlyD.fortunately
查看答案
微信公众账号搜索答案