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【单选题】
The most important time period in television is called prime time(8.00-11.00 P.M. )and is【C1】______by the major networks.【C2】______FCC(美国联邦通讯委员会)regulation the networks may provide【C3】______3 hours of programming per night. During these hours the most expensive and【C4】______programs are aired, and the TV audience is the largest. The dominant【C5】______of prime time network programming today are action-adventure【C6】______, situation comedies, and movies. Specials and miniseries are also prominent【C7】______the networks continue to experiment【C8】______program stunting and other strategies to win the【C9】______race. The only 'live' programming —【C10】______at the time of the【C11】______— is various sports events such as ABC's NFL Monday Night Football and certain news programs. All other programs are either filmed or【C12】______. The one innovation in the past 10 years has been to tape programs【C13】______a live audience to try and achieve a certain degree of【C14】______.Programs such as Cheers and There's a Crowd【C15】______this process. All programs are【C16】______in color. The second most important time for television networks is weekday daytime(7:00 A. M. - 5:00 P.M. ). This time is【C17】______with quizzes and game shows, news shows like NBC's Today or ABC's Good Morning America,【C18】______of network series, and soap operas. Programming【C19】______assumes that audiences are composed【C20】______of women and children. 【C1】
A.
adopted
B.
employed
C.
bought
D.
dominated
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【单选题】下列关于分组交换的错误描述是()。
A.
分组交换中对分组的长度没有限制
B.
包括虚电路方式和数据报方式
C.
数据报方式中允许分组乱序到达目的地
D.
数据报比虚电路更适合突发数据交换
【单选题】关于虚电路交换方式和数据报交换方式,以下哪一项描述是错误的
A.
虚电路交换方式,分组携带虚电路标识符
B.
数据报交换方式,终端间传输的有着相同源和目的地址的分组不会错序
C.
虚电路交换方式,终端间传输的有着相同虚电路标识符的分组不会错序
D.
数据报交换方式,终端之间存在多条传输路径
【单选题】画点画线时,如果所画出的点画线显示为直线,应修改( )。
A.
线型
B.
线型比例
C.
宽度
D.
长度
【单选题】电子商务安全体系的核心是( )
A.
CA 数字签名
B.
证书申请者个人信息
C.
公开密钥体制数字认证
D.
信息保密机制
【单选题】电子商务安全体系的核心是( )。
A.
加密技术
B.
认证技术
C.
签名技术
D.
数字证书
【简答题】阅读理解 People around the world watched Britain's Prince William and Kate Middleton get married. The royal wedding broke records for live streaming on the Internet. It also produced more than two million...
【单选题】根据《旅游安全管理办法》规定,按照旅游业国家标准、行业标准评定的旅游经营者违反规定的,由( )建议评定组织依据相关标准做出处理。
A.
人民政府
B.
市场监督管理部门
C.
旅游主管部门
D.
公安部门
【判断题】CD-ROM既可作为输入设备,又可以作为输出设备。
A.
正确
B.
错误
【单选题】电子商务安全体系的核心是()
A.
加密
B.
支付
C.
SSL协议
D.
基于PKI的数字证书
【单选题】Chinese garden architecture was originally designed for the purpose of _______ by the royal families.
A.
hunting activities
B.
improving living conditions
C.
showing off the wealth
D.
appreciating natural beauty
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