IP服务不具有以下哪个特点 (35) A.尽最大努力 B.QoS保证 C.面

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问题:

IP服务不具有以下哪个特点 (35)

A.尽最大努力
B.QoS保证
C.面向无连接
D.不可靠

考点:计算机软件水平考试初级程序员初级程序员上午试题
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台湾是我国最大的岛屿,总面积为35989.76平方千米,这个数据用科学记数法表示为 (    )(保留两位有效数字)

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阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空格处填入一个适当的词或使用括号中词语的正确形式填空。

What on earth does happiness mean? I can’t give you its exact definition, but I’m sure if you love and help 小题1:        , you’ll get it.

I’ll never forget an old lady. She lives in 小题2:    small house alone. It is said that her husband and her son 小题3:   (die)in a road accident years ago. Her life is bitter, but she often helps others 小题4:    a smile. Whenever it snows, she is always the first to clean the paths. She looks after several children living nearby. I am one of them. I often remember the stories she told us and her kind smile. Perhaps she is unlucky, but I think she is a happy person. Her life is full of小题5:   (laugh)and love.

But I’m sad to see some people getting their happiness in bad ways. They talk 小题6:  (noisy)in cinemas and meeting rooms; they destroy trees to enjoy themselves and they laugh at others’ shortcomings. Perhaps they feel happy at that time,  小题7:  they will never get true happiness because they 小题8:   (lose)their personality already.

Now I know what happiness is.  小题9:  means kindness, love and unselfishness. Above all, I have come to understand that小题10:   (bring)happiness to others is getting ourselves happiness.

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若用高温、抗菌素、紫外光等处理眼虫,使其丧失绿色,只要再放回阳光下,虫又可重新变绿。()

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项目整体管理是指?()

A.复杂系统的软件集成管理

B.将系统开发过程的管理和项目管理结合起来

C.将系统的主机平台、网络平台、应用软件开发和系统环境建设作为一个整体来进行项目管理

D.包括在项目生命周期中协调所有其它项目管理知识领域所涉及的过程

题型:单项选择题

既起定位作用,又能自动调整位置的支承称为()支承。

A.固定

B.可调

C.辅助

D.自位

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