试题与答案

下述胃溃疡征象中,提示为恶性的是() A.项圈征 B.狭颈征 C.黏膜纠集 D.腔外

题型:单项选择题

题目:

下述胃溃疡征象中,提示为恶性的是()

A.项圈征

B.狭颈征

C.黏膜纠集

D.腔外龛影

E.局部胃壁僵硬

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0826/4cef31f524219e87c9c04be4e5858ebe.html

下面是错误答案,用来干扰机器的。

参考答案:A解析:多巴胺具有β受体激动作用,也有一定的α受体激动作用。能增强心肌收缩力,增加排血量,加快心率作用较轻微(不如异丙肾上腺素明显);对周围血管有轻度收缩作用,升高动脉压,对内脏血管(肾、...

试题推荐
题型:阅读理解

Tom and Fred are talking about the year 2020. “What will our world be like in the year 2020?” “I don't know,” says Fred. “What do you think?” “Well, no one knows, but it’s interesting to guess.” “In the year 2020 everyone will carry a pocket computer(便携式计算机). The computer will give people the answers to all their problems. We shall all have telephones in our pockets, too, and we’ll be able to talk to our friends all over the world. Perhaps we’ll be able to see them at the same time. ” “A lot of people will live and work under the sea. Perhaps there will be big towns, factories and farms under the sea, too. ” “Machines will do most of the work, and so people will have more holidays, perhaps they’ll work only two or three days a week. They’ll be able to fly to the moon by spaceship and spend their holidays there. ” “I’m looking forward(期待)to the year 2020. I hope to go to the moon! ” “And 1 hope I’ll be able to live under the sea.” says Fred. “Won’t that be very interesting? Just like a fish! ”

小题1:Tom and Fred talked about ____ .

A.their school life

B.some interesting news

C.their life in the past

D.their life in the future小题2:Machines will ____ .

A.do most of the work instead of people

B.do some of the work instead of people

C.do as much work as people

D.do less work than people小题3:From their talk, we know that ____ .

A.only Fred hopes to fly to the moon

B.both of them hope to fly to the moon

C.one of them hopes to fly to the moon

D.neither of them hopes to fly to the moon小题4:Fred said ____ .

A.he liked fish very much

B.he would like to live under the sea like a fish

C.he would go fishing under the sea

D.he would spend a few days on the moon小题5:Which of the following statements is NOT mentioned(提及)?

A.People will be able to fly to the moon in a spaceship.

B.People will have more holidays.

C.Many people will live and work under the sea.

D.All the factories and farms will be built under the sea

查看答案
微信公众账号搜索答案