题目:
Windows NT是()。
A.分时操作系统
B.实时操作系统
C.网络操作系统
D.并行操作系统
答案:
参考答案:C
解析:在计算机网络系统中广泛使用的对称型加密算法是DES。
Windows NT是()。
A.分时操作系统
B.实时操作系统
C.网络操作系统
D.并行操作系统
参考答案:C
解析:在计算机网络系统中广泛使用的对称型加密算法是DES。
已知∠a=45°,则sina的值是( )
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热轧生产过程的基本工序为坯料准备、加热、()和精整。
Many families in the United States observe National Grandparents Day on the first Sunday of September after America’s Labor Day. People often 36 their parents on this day. Many people 37 the day through a lot of activities such as gift-giving and card giving. Some children 38 their grandparents to school for a day where they take special lessons. Some students 39 storytelling activities that relate to their grandparents, as well as picture or music competitions where children use a story about their grandparents in their 40 . About four million greeting cards are 41 within the United States each year on National Grandparents Day. This day is also a 42 for people to appreciate and express their 43 to their grandparents through 44 actions such as making a phone call and inviting their grandparents for dinner. People living in nursing homes may 45 a visit from their grandchildren. National Grandparents Day has more than one 46 . Some people consider it to have been first proposed by Michael Goldgar in the 1970s after he visited his aunt in an Atlanta nursing home. Others 47 Marian Lucille Herndon McQuade to have been the main 48 of National Grandparents Day. Throughout the 1970s McQuade worked hard to 49 people about the important contributions senior citizens made and the contributions that they would be willing to make 50 asked. She also urged(强烈要求) people to take good care of a grandparent, not for one day a year and not for material giving, 51 for a lifetime of experience. National Grandparents Day was 52 signed into law by President Jimmy Carter in 1978. Marian McQuade received a phone call from the White House to 53 her of this event. Many people believe that National Grandparents Day was inspired by her 54 . A presidential proclamation(声明) on September 6, 1979 made this day 55 .
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某电器销售公司甲与某电视机厂乙因货款纠纷而产生隔阂,甲不再经销乙的产品。当客户询问甲的营业人员是否有乙厂的电视机时,营业人员故意说道:“乙厂的电视机质量不好,价格又贵,所以我们不再卖他们的产品了。”下列有关该事例的哪些表述是正确的( )
A.甲侵犯了乙的名誉权
B.甲的行为属于诋毁乙的商业信誉的不正当竞争行为
C.甲的行为因未通过宣传媒介诋毁乙的商业信誉,故不构成诋毁商业信誉
D.甲没有侵犯乙的荣誉权
在20世纪60年代以前,斯塔旺格尔一直是挪威的一个安静而平和的小镇。从60年代早期以来,它已成为挪威近海石油勘探的中心;在此过程中,暴力犯罪和毁坏公物在斯塔旺格尔也急剧增加了。显然,这些社会问题产生的根源就在于斯塔旺格尔因石油而导致的繁荣。
下面哪一项,假如也发生在20世纪60年代至现在,则对上面的论证给予最强的支持
A.对他们的城市成为挪威近海石油勘探中心,斯塔旺格尔的居民并不怎么感到遗憾
B.挪威社会学家十分关注暴力犯罪和毁坏公物在斯塔旺格尔的急剧增加
C.在那些没有因石油而繁荣的挪威城镇,暴力犯罪和毁坏公物一直保持着低水平
D.非暴力犯罪、毒品、离婚,在斯塔旺格尔增加得与暴力犯罪和毁坏公物一样多