食管鳞癌的发生与下列哪项因素无关() A.亚硝胺 B.霉菌 C.进食粗、烫食物 D.

题型:单项选择题

问题:

食管鳞癌的发生与下列哪项因素无关()

A.亚硝胺

B.霉菌

C.进食粗、烫食物

D.遗传因素

E.Barrett食管

考点:广东住院医师急诊医学心胸外科心胸外科题库
题型:单项选择题

诊断早孕,快速准确的方法是()

A.停经后子宫增大变软

B.妊娠试验阳性

C.黑加(Hegar)征阳性

D.黄体酮试验阴性

E.B超见宫内妊娠囊

题型:单项选择题

新临床检验方法评价的关键点,不正确的是()

A.整个任务应用临床观点

B.执行正确的试验,收集所需的数据

C.正确的使用统计工具,以便正确地估计误差

D.作出方法客观的结论

E.正确对待反馈结果

题型:单项选择题
A little boy was visiting his grandparents on their farm. He was given a slingshot(弹弓)to   21 in the woods. He practiced and practiced but could never   22  the target. Becoming somewhat   23 , he headed back for dinner.
As he was returning, he saw Grandma’s   24 duck. Without thinking, he shot his slingshot, hit the duck right   25 the head and killed it. He was shocked and sad. Quickly, he   26 the dead duck in the wood pile, only to see his   27 watching. Sally had seen it all, but she said nothing.
After   28 that day, Grandma said, “Sally, you wash the dishes.” But Sally said, “Grandma, Johnny told me that he wanted to   29 in the kitchen today, didn't you, Johnny?” And then she   30 to him, “Remember, the duck?” Then Johnny did the dishes.
Later, Grandpa asked if the children wanted to __31__ fishing, and Grandma said, “I’m sorry but I __32__ Sally to help me make supper.” But Sally smiled and said, “Well, that’s all right. Johnny told me he wanted to __33__.” And she whispered again, “Remember, the   34  ?” So Sally went fishing and Johnny   35 at home.
After several days, Johnny finally couldn't   36 it any longer. He went to Grandma and   37 that he had killed her pet duck and asked for her   38 .
Hearing this, Grandma knelt down, gave him a hug, and said, “Sweetheart, I know. You see, I was standing at the   39 and saw the whole thing from the house. And because I   40 you, I forgive you, but I was just wondering how long you would let Sally make you her slave.”
小题1:
A.work onB.carry outC.look afterD.play with
小题2:
A.getB.hit C.findD.miss
小题3:
A.discouragedB.nervousC.helplessD.foolish
小题4:
A.pet B.bigC.prettyD.little
小题5:
A.toB.atC.byD.in
小题6:
A.tookB.gotC.hidD.found
小题7:
A.grandpaB.grandmaC.sister D.brother
小题8:
A.lunchB.supperC.breakfastD.school
小题9:
A.supportB.cookC.helpD.stay
小题10:
A.shoutedB.spokeC.noddedD.whispered
小题11:
A.go B.playC.discoverD.find
小题12:
A.makeB.haveC.punishD.need
小题13:
A.stayB.doC.help D.beat
小题14:
A.farmB.duck C.supperD.slingshot
小题15:
A.waited B.smiledC.stayed D.cried
小题16:
A.stand B.keepC.faceD.hide
小题17:
A.promisedB.explainedC.admitted D.described
小题18:
A.apologyB.adviceC.forgiveness D.permission
小题19:
A.window B.roadsideC.kitchenD.farm
小题20:
A.punishedB.mistookC.love D.respect
题型:单项选择题

专业技术人员是在社会生产和社会生活中,从事领域不同、层次不一的专门某一项专业技术工作或职业的人员。

题型:单项选择题

三相负载的三角形连接时,每相负载上的相电压就是电源相应的()。

A.相电压

B.线电压

C.总电压

D.端电压

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