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【简答题】
完形填空 Tim Becker and his neighbors are doing something to make their neighborhood a trouble-free area. When Tim Becker gets in his car to go shopping, he doesn't ___ 1 ___ drive to a store and back home. He always looks ___ 2 ___ up and down the streets of his neighborhood. He looks for anything ___ 3 ___ such as strange cars, loud noises, ___ 4 ___ windows, or people gathering on street corners. Tim ___ 5 ___ to a neighborhood watch group in Stoneville, Indiana, USA. The neighborhood watch group ___ 6 ___ on the third Wednesday of every month. That's ___ 7 ___ Tim gets together with about ten of his neighbors to discuss community ___ 8 ___ .Members of the neighborhood watch group want to help the police ___ 9 ___ their homes, streets, and families safe. Tina Stedman, president of ___ 10 ___ neighborhood watch group, agrees with Tim. 'People seem to think that crime happens to other people but not to them. Well, it's never happened to me,' she said, 'but I don't think anyone has the ___ 11 ___ to steal from other people or to make them feel ___ 12 ___ sitting in their own homes.' Alex, a member of the group, said that all the neighbors ___ 13 ___ out for one another, 'We watch each other's homes. We keep watch ___ 14 ___ the neighborhood at night and on weekends. Usually a group of four or five of us goes out together. If something doesn't look right, then we call the police. For example, if we notice a group of teenagers who seem to be looking for___ 15 ___, or someone destroying property, we report to the police.' Alex feels the neighborhood watch groups help a lot in keeping crime down. Her husband Jim agrees, 'Police are good people, but they can't do everything.' (     )1.  A. yet (     )2.  A. carefully (     )3.  A. familiar (     )4.  A. curtained (     )5.  A. attends (     )6.  A. meet (     )7.  A. where (     )8.  A. politics (     )9.  A. keep (     )10. A. its (     )11. A. right (     )12. A. unlucky (     )13. A. set (     )14. A. on (     )15. A. work B. still B. clearly B. unusual B. open B. belongs B. discuss B. why B. wealth B. hold B. his B. chance B. unsafe B. let B. into B. burden C. just C. nervously C. expensive C. old C. goes C. visit C. when C. health C. let C. their C. courage C. disappointed C. hold C. for C. service D. rather D. coldly D. interesting D. broken D. turns D. search D. how D. safety D. protect D. your D. mind D. discouraged D. look D. with D. trouble
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举一反三
【单选题】IEEE802.3u是快速以太网交换机的标准。()
A.
True
B.
False
【判断题】IEEE802.3U是快速以太网交换机的标准()。
A.
正确
B.
错误
【判断题】IEEE 802.3u是快速以太网交换机的标准
A.
正确
B.
错误
【多选题】马克思义认识论与旧唯物主义认识论都坚持 ( )
A.
唯心主义先验论
B.
唯物主义反映论
C.
唯心主义的可知论
D.
唯物主义的可知论
【单选题】有关视觉复杂度如何影响图片命名反应时的研究中,图片熟悉度是一个什么变量?我们可以在三种视觉复杂度条件之间,让图片熟悉度保持不变——恒定。这样,实验所观察到的图片命名反应时的任何变化,都只能归因于视觉复杂度的变化。
A.
自变量
B.
因变量
C.
混淆变量
D.
额外变量
【单选题】有关Hive命令行接口叙述,错误的是( )
A.
DML包括LOAD,INSERT, UPDATE等操作。
B.
DDL包括CREATE, DROP等操作。
C.
Hive-QL提供操作用于对Hive数据仓库进行查找。
D.
Hive不提供对数据的修改操作。
【多选题】关于实验研究,下列描述正确的有?
A.
双盲实验设计可以避免或减弱实验者效应
B.
拉丁方设计可以减弱顺序效应的影响
C.
自变量混淆发生在额外变量对因变量产生显著影响的情况下
D.
测量因变量的任务过难会造成天花板效应
【简答题】额外变量可以混淆自变量对因变量的影响,因此额外变量的控制是实验研究得出正确结论的前提。请将以下控制额外变量的实践操作与控制方法的名称匹配。
【单选题】IEEE 802.3U是快速以太网交换机的标准( )
A.
正确
B.
错误
【单选题】有关Hive命令行接口叙述,错误的是( )
A.
Hive不提供对数据的修改操作。
B.
DDL包括CREATE, DROP等操作。
C.
DML包括LOAD,INSERT, UPDATE等操作。
D.
Hive-QL提供操作用于对Hive数据仓库进行查找。
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