瀑布模型把软件生存周期划分为软件定义、软件开发与______三个阶段,而每个阶段又可

题型:填空题

问题:

瀑布模型把软件生存周期划分为软件定义、软件开发与______三个阶段,而每个阶段又可分为若干更小的阶段。

考点:计算机等级考试信息管理技术三级信息管理技术笔试
题型:填空题

下列是我们熟悉的器具:A、电话;B、电饭锅;C、照相机;D、船闸,它们的制作原理分别是:(填器具前的字母)

(1)利用电流的磁效应工作的是______;

(2)利用连通器原理工作的是______.

题型:填空题

阅读理解。

     It's been claimed that playing a musical instrument makes you smarter. New research suggests that

regularly playing a musical instrument changes the shape and power of the brain, and may be used in therapy

(疗法) to improve cognitive (认知) skills. 

     Experts say there is growing evidence that musicians have brains that are structurally and functionally

different from those of non-musicians, especially in the areas of the brain used in processing (处理信息).

     The parts of the brain that control motor skills, the storage of audio information, hearing and memory

become larger and more active when a person learns how to play an instrument and can apparently improve

the alertness (警觉) and planning.

     Lutz Jancke, a psychologist at the University of Zurich, said, "Leaning to play a musical instrument has

great benefits and can increase IQ by seven points in both children and adults. We found that even people

over the age of 65, after four or five months of playing an instrument for an hour a week, had strong changes

in the brain." The parts of the brain that control hearing and memory, and the part that controls the hands,

among others, all become more active.

     "Of course music isn't the only answer, but I do believe that it should be used in addition to other things."

     Mr. Jancke also said that learning a musical instrument could also make it easier to learn foreign languages

and make one more sensitive to understanding the emotions of others. "So not only does this make it easier to

pick up other languages and have a better memory of one's own, we have also seen musicians are able to pick

out exactly what others are feeling just by the tones of their voices-sympathy, disappointment, that kind of

things."

     He added, "Several studies indeed show that playing music increases memory and language skills, but

more research is needed."

1. What is the passage mainly about? [ ]

A. How to use musical instruments.

B. How music affects the brain.

C. How playing music makes people smarter.

D. The development of research into music.

2. Compared with non-musicians, ______. [ ]

A. musicians are better at foreign languages

B. musicians are more active in sports

C. musicians have stronger emotions

D. musicians' brains work differently in processing

3. Which of the following is NOT a benefit of playing an instrument? [ ]

A. It makes it easier for one to pick up foreign languages.

B. It allows one to show his feelings more exactly to others.

C. It gives one a better memory in one's own language.

D. it makes one understand others' feelings better.

4. From Luz Jancke we lean that ______. [ ]

A. playing an instrument benefits children more than adults

B. playing an instrument has no benefits for people over 65

C. some studies show playing music can increase memory

D. he will do more research into brain development and music

题型:填空题

R、W、X、Y、Z为原子序数依次递增的同一短周期元素,下列说法一定正确的是(m、n均为正整数)(  )

A.若R(OH)n为强碱,则W(OH)n+1也为强碱

B.若HnXOm为强酸,则Y是活泼的非金属元素

C.若Y的最低化合价为-2,则Z的最高正化合价为+7

D.若X的最高正化合价为+5,则五种元素都是非金属元素

题型:填空题

甲饲养一条小狗,一日小狗咬伤了路人乙,下列说法中,正确的有( )。

A.如果是因为乙自己的原因惹怒小狗而被咬的,由乙自己对于自己的过错承担责任

B.如果是因为第三人丙恶意逗弄小狗而使小狗咬伤乙的,由丙对乙的损失承担责任

C.如果不存在以上情况,由小狗的饲养人甲承担民事责任

D.养宠物是甲的自由,如果没有过错就不承担责任

题型:填空题

发票印制管理有哪些功能和模块?

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