颈中线随伸舌移动的小肿块可能是以下哪种疾病()。 A.甲状舌管囊肿 B.皮脂腺囊肿

题型:单项选择题

问题:

颈中线随伸舌移动的小肿块可能是以下哪种疾病()。

A.甲状舌管囊肿

B.皮脂腺囊肿

C.舌下腺囊肿

D.鳃源性囊肿

E.错构瘤

考点:北京住院医师儿外科Ⅰ阶段北京住院医师儿外科(综合练习)北京住院医师儿外科(综合练习)题库
题型:单项选择题
如图所示为一磁流体发电机示意图,A、B是平行正对的金属板,等离子体(电离的气体,由自由电子和阳离子构成,整体呈电中性)从左侧进入,在t时间内有n个自由电子落在B板上,则关于R中的电流大小及方向判断正确的是(  )

A.I= ,从上向下

B.I= ,从上向下

C.I= ,从下向上

D.I= ,从下向上

题型:单项选择题

(1).中药提取物的一个批号为()
(2).片剂的一个批号为()
(3).液体制剂的一个批号为()
(4).粉针剂的一个批号为()

A.同一台混合设备的一次混合量 

B.经同一混合设备最后一次混合的药液所生产的均质药品 

C.经最后混合质量均一的一次混合量 

D.同一批原料在同一天分装的产品

题型:单项选择题

阅读理解。

     There is more and more worry about the growing threat of globalization, which is accompanied

by those warnings that the rich pattern of local life is being undermined(破坏), and many dialects

and traditions are becoming extinct. But stop and think for a moment about the many positive aspects

that globalization is bringing. Read on and you are sure to feel comforted, ready to face the global future.

     Consider the Internet, that good example of our shrinking world. Leaving aside the worries about

political extremism, even the most narrowminded must admit that the net offers a lot of benefits, not

just in terms of education, the sector(部分)for which it was originally designed, but more importantly

on a global level, the spread of news and comment. It will be increasingly difficult for politicians to

misinform the public, as the oppressed(被压迫的)will not only find support and comfort, but also be

able to organise themselves more effectively.

     MTV is another global provider that is often criticized for imposing(强加)popular culture on the

unsuspecting millions around the world. Yet the viewers' judgment on MTV is undoubtedly positive;

it is regarded as necessary by most of the global teenage generation who watch it, a vital part of

growing up. And in the final analysis, what harm can a few songs and videos cause?

     Is the world dominance(绝对优势)of brands like Nike and Cocacola so bad for us, when all is

said and done? Sportswear and soft drinks are harmless products when compared to the many other

things that have been globally available for a longer period of time-heroin and cocaine, for example. In

any case, just because Nike shoes and Coke cans are for sale, it doesn't mean you have to buy them

even globalization cannot take away people's free will.

     Critics of globalization can stop presenting their doom and gloom statements. Life goes on, and has

more to offer for many citizens of the world than it did for their parents' generation.

1.Some people feel sad about globalization because they believe it will ________.

A.affect the rich local life

B.bring threat to the world peace

C.change their present difficult lifestyle

D.increase the size of people speaking dialects

2.Internet was originally designed ________.

A.to spread news and comment

B.to get support and comfort

C.to organise the oppressed more effectively

D.to promote education

3.Which of the following is true according to the passage?

A.The Internet makes people worried about political extremism.

B.Nike and Cocacola shouldn't have caused so much worry.

C. All of the global teenage generation think that MTV is a necessary and important part for their growing up.

D. Sportswear and soft drinks cannot be compared with drug.

3.Which of the following could be the best title of the passage?

A.Globalization is standardization(标准化)

B.Globalization: don't worry, be happy

C.Globalization: like it or change it

D.Globalization brings equality

题型:单项选择题

下图是某个化学反应前、后的微观模拟图。请根据图示回答:

⑴该反应中,参加反应的与反应后生成的各粒子间的个数比为                    ;

⑵该反应的基本类型为                  

⑶分析以上微观模拟图,你还能总结出的一条是                               。

题型:单项选择题

设函数f(x)在[a,b]上一阶可导,在(a,b)内二阶可导,且f(a)=f(b)=0,f’(a)f’(b)>0.求证:

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