男性,30岁。2年来有发作性神志丧失,四肢抽搐,服药不规则。今日凌晨开始又有发作,意

题型:单项选择题 案例分析题

问题:

男性,30岁。2年来有发作性神志丧失,四肢抽搐,服药不规则。今日凌晨开始又有发作,意识一直不清醒。来院后又有一次四肢抽搐发作。

癫痫患者服药,最不应()。

A.服药量太小

B.两药同时服

C.只在夜间服

D.服药次数太多

E.突然停药

F.饭前服用

考点:全科医学(医学高级)强化练习题强化练习题题库
题型:单项选择题 案例分析题

下列说法中正确的是

A.汽车突然开动时,站在汽车上的人会向后仰,是由于人具有惯性

B.竖直抛向空中的石块,运动的越来越慢,是由于石块的惯性越来越小

C.人沿水平方向推停在水平面上的车,车未动,车受到的推力与摩擦力是一对平衡力

D.打乒乓球时,球拍对球施加力的同时球拍也受到球的作用力,这两个力的大小一定相等

题型:单项选择题 案例分析题

Researchers at the University of Bedforshire have developed a new technique for powering electronic device(装置). The system, developed by Professor Ben Allen at the Centre for Wireless Research, uses radio(无线电) waves as power.

Believed to be a world first, the team claims it could eventually eliminate (or get rid of )the need for conventional batteries. The university has now filed a patent application to secure the only rights to the technique.

Professor Allen and his team have created a system to use medium wave frequencies to replace batteries in small everyday devices like clocks and remote controls.

The new technique uses the “waste” energy of radio waves and has been developed as part of the university’s research into “power harvesting”. Professor Allen said that as radio waves have energy―like light waves, sound waves or wind waves―then, in theory, these waves could be used to create power.

“The emerging(新兴的)area of power harvesting technology promises to reduce our reliance on conventional batteries,” he said. “It’s really exciting way of taking power from sources other than what we would normally think of.”

The team is now waiting for the results of the patent application to secure recognition of the technique. Professor Allen said that the team’s achievements had all been done in their “spare time”. “Our next stage is to try and raise some real funds so that we can take this work forward and make a working prototype(模型)and maybe partner up with the right people and take this to a full product in due course,” he said.

“Power harvesting has a really important part in our future, because, just in this country, we dispose of somewhere between 20,000 and 30,000 tonnes of batteries in landfill(垃圾填理)sites every single year-that is toxic chemicals going into the ground.”

He added that development of the product could also be “commercially beneficial”. “The market for this is several billion pounds. We’ve seen market predictions for 2020 which have these kinds of figures, so there’s a lot of commercial potential in this area,” he said.

Pro-Vice Chancellor at the University of Bedfordshire, Professor Carsten Maple, said, “This type of work is a reflection of the university’s growing reputation and experience in conducting innovative(创新的)research.”

小题1:From the text we know the new technique for powering electronic devices_____.

A.can be applied to all electronic devices.

B.uses radio waves to create power.

C.has replaced conventional batteries.

D.produces many toxic chemicals.小题2:According to Professor Allen, power harvesting technology______.

A.makes every use of radio waves.

B.takes power from usual sources.

C.reduces our dependency on conventional batteries.

D.aims at huge commercial benefits.小题3:What can we learn about Professor Allen and his team from the text?

A.They have made use of radio waves in their daily life.

B.They have raised a big fund to support their research.

C.They have gained a patent for their new technology.

D.They mainly did their research in their spare time.小题4:What is Professor Carsten Maple’s attitude toward the new technique?

A.Critical.

B.Favorable.

C.Conservative.

D.Negative.小题5:What is the text mainly about?

A.A new technique to create power.

B.A crisis concerning conventional batteries.

C.Some special sources of power.

D.The development of power harvesting.

题型:单项选择题 案例分析题

如图所示是“比较水和沙子吸热升温的属性”的实验装置.

(1)除了图示的器材外,本实验必须用到的测量工具还有_________;加热过程中,用搅棒搅动的目的是_________;水和沙子吸热的多少可以通过_________来反映(温度计示数的升高值/加热时间)

(2)在本实验中,可用来比较水和沙子吸热升温本领的方法是:若加热时间相同,比较_________;若温度计示数的升高值相同,比较_________

(3)关于该实验的变量控制,下列要求中不正确的是_________(填字母).

A.采用相同的加热方法(如酒精灯火焰的大小,与易拉罐底的距离等)

B.易拉罐中分别装入相同体积的水和沙

C.使用相同的易拉罐

D.让装置处于相同的外部环境下

题型:单项选择题 案例分析题

近代著名的政治家()曾经写过一篇文章《舆论与舆论之仆》,很好地说明了新闻评论与社会舆论的关系。

A.梁启超

B.王韬

C.于佑任

D.张季鸾

题型:单项选择题 案例分析题

同一种产品在不同的市场中采用不同的商标采用()。

A.一元化结构模式

B.商标结构模式

C.多元化结构模式

D.两元化结构模式

更多题库