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>> 成人高等教育 / 高等数学三：线性代数
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佳题速递：
46、合法的IPv4地址书写格式是_______。
A.102:64:112:50
B.102.64.312.50
C.302.64.112.50
D.102.64.112.50计算机统考 69、杀毒软件不包括下面的______。
A.360杀毒
B.KV3000
C.天网防火墙
D.金山毒霸计算机统考 58、______的成功，标志着计算机网络的发展进入了一个新纪元，使计算机网络的概念发生了根本性的变化，被认为是Internet的前身。
A.IPv4
B.TCP/IP
C.IPv6
D.ARPANET计算机统考 下列描述病毒的基本性状中，错误的是: A、 专性细胞内寄生 B、 只含有一种核酸 C、 形态微小，可通过滤器 D、 为非细胞结构 E、 可在宿主细胞外复制病毒成分病原生物学 名词解释 初乳儿科护理学(护理本) 51、A characteristic of American culture that has become almost a tradition is to respect the self-made man - the man who has risen to the top through his own efforts, usually beginning by working with his hands. While the leader in business or industry or the college professor occupies a higher social position and commands greater respect in the community than the common laborer or even the skilled factory worker, he may take pains to point out that his father started life in America as a farmer or laborer of some sort.
This attitude toward manual (体力的) labor is now still seen in many aspects of American life. One is invited to dinner at a home that is not only comfortably but even luxuriously (豪华地) furnished and in which there is every evidence of the fact that the family has been able to afford foreign travel, expensive hobbies, and college education for the children; yet the hostess probably will cook the dinner herself, will serve it herself and will wash dishes afterward; furthermore, the dinner will not consist merely of something quickly and easily assembled from contents of various cans and a cake or a pie bought at the nearby bakery. On the contrary, the hostess usually takes pride in careful preparation of special dishes. A professional may talk about washing the car, digging in his flowerbeds, painting the house. His wife may even help with these things, just as he often helps her with the dishwashing. The son who is away at college may wait on table and wash dishes for his living, or during the summer he may work with a construction gang on a highway in order to pay for his education.统考英语阅读理解
