热机工作时,通过燃烧将燃料的________能转化为内能。为了提高燃料的利用率,

题型:填空题

问题:

热机工作时,通过燃烧将燃料的________能转化为内能。为了提高燃料的利用率,设法利用________ 的能量是一条重要的措施。

考点:热机的定义
题型:填空题

禁止标志含义是不准或制止人们的某些行动与行为。它的几何图形是带斜扛的圆环,其中圆环与斜扛相连,用红色;图形符号用黑色,背景用白色、文字用黑色。

题型:填空题

关于队列研究下列哪些说法正确()

A.研究所需的时间短但工作量大

B.研究所需的时间较长,花费高

C.省时、省力、省钱,容易实施

D.适用于一种原因与多种疾病关系的研究

E.研究所需的时间长,但花费低

题型:填空题
完形填空(共小20题;每小题1分,满分20分)
When I was a boy, every holiday that I had seemed wonderful. My   1  took me by train or by car to a hotel by the   2 . All day, I seem to remember, I   3 on the sands with strange   4 children. We made houses and gardens, and   5  the tide (潮汐) destroy (破坏, 毁坏) them. When the tide went out, we  6  over the rocks and looked down at the fish in the rock-pools.
In those days the   7 seemed to shine always brightly   8  the water was always warm. Sometimes we left the beach and walked in the country,   9  ruined (毁灭的) houses and dark woods and climbing trees. There were  10  in one’s pockets or good places where one could   11  ice-creams. Each day seemed a life-time. 
Although I am now thirty-five years old, my idea of a good   12  is much the same as it was. I   13  like the sun and warm sand and the sound of _14  beating the rocks. I no longer wish to   15 any sand house or sand garden, and I dislike sweets. 16  , I love the sea and often feel sand running through my fingers.
Sometimes I   17  what my ideal (理想的) holiday will be like when I am   18  . All I want to do then, perhaps, will be to lie in bed, reading books about  19  who make houses and gardens with sands, who watch the incoming tide, who make   20   sick on too many ices...
小题1:
A.teacherB.parentsC.nurseD.doctor
小题2:
A.seaB.lakeC.mountain D.forest
小题3:
A.played B.sleptC.satD.stood
小题4:
A.movedB.excitedC.worriedD.nervous
小题5:
A.madeB.broughtC.watchedD.heard
小题6:
A.rolledB.jumpedC.turnedD.climbed
小题7:
A.lightB.sunC.moonD.lamp
小题8:
A.andB.yetC.butD.or
小题9:
A.exploring B.examiningC.repairingD.measuring
小题10:
A.sweetsB.sandC.ice-creams D.money
小题11:
A.makeB.sellC.buyD.offer
小题12:
A.houseB.holidayC.gardenD.tide
小题13:
A.hardlyB.almostC.stillD.perhaps
小题14:
A.waves B.waterC.handsD.birds
小题15:
A.destroyB.fixC.useD.build
小题16:
A.ButB.HoweverC.OrD.Yet
小题17:
A.wonderB.feelC.understandD.believe
小题18:
A.strongB.weakC.youngD.old
小题19:
A.childrenB.boysC.girlsD.grown-ups
小题20:
A.herselfB.himselfC.itselfD.themselves
题型:填空题

患者,女,42岁,患骨髓纤维化,系统性红斑狼疮,曾因贫血输AB型血800mL。本次入院时,Hb25g/L,做ABO血型时,出现正反不符现象,并与AB型及O型血交叉配血时主侧出现凝集。患者实验室检查结果如下:

当怀疑存在自身抗体和同种抗体时应()。

A.首先用自身吸收放散试验去掉自身抗体,再用直接抗人球蛋白试验检测是否存在同种抗体,鉴定抗体特异性

B.首先用配组细胞检测是否存在同种抗体,再用自身吸收放散试验去掉自身抗体,鉴定抗体特异性

C.首先洗涤去掉自身抗体,再用配组细胞检测是否存在同种抗体,鉴定抗体特异性

D.首先用自身吸收放散试验去掉自身抗体,再用配组细胞检测是否存在同种抗体,鉴定抗体特异性

E.首先用配组细胞检测是否存在同种抗体,鉴定抗体特异性,再用直接抗人球蛋白试验检测自身抗体

题型:填空题

卓越绩效评价准则的七大类目中,有关结果的类目为( )。

A.战略

B.领导

C.过程管理

D.经营结果

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