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我用音乐挑MP3
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作者 小王 《电击高手》 2004年第7期40-40,共1页
关键词 MP3播放器 音质效果 产品选购 试听法 高频 低频
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电话机振铃电路的维修技术
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作者 欧志柏 《大众科技》 2010年第5期52-53,共2页
分析了普通电话机振铃电路的典型应用电路原理,讨论了振铃电路的维修技术,介绍了振铃电路的几种维修实例。
关键词 KA2410 KA1240 短路C1判断 短路C1测量电压 观察触摸
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Effects of visuals on simulated CET-3 listening test
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作者 CHEN Chan 《Sino-US English Teaching》 2008年第11期26-29,共4页
In real-time situation, listeners rely on linguistic knowledge as well as contextual information to process acoustic signals, while presently in China, most listening comprehension tests do not include visuals (visua... In real-time situation, listeners rely on linguistic knowledge as well as contextual information to process acoustic signals, while presently in China, most listening comprehension tests do not include visuals (visuals bearing content or contextual information) to facilitate the listening. The present paper chooses several simulated CET-3 listening comprehension as the experimental materials and tries to investigate the effects of different types of visuals, such as pictures, diagrams, and photos of the speakers' part, with items on the CET-3 listening tests. 展开更多
关键词 visuals listening test CONTEXTUAL CONTENT CET-3
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A STUDY ON THE CONSTRUCT VALIDITY OF LONG DIALOGUE MULTIPLE-CHOICE LISTENING COMPREHENSION TESTS: RETROSPECTION APPROACH 被引量:3
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作者 郑宇静 辜向东 《Chinese Journal of Applied Linguistics》 2009年第6期15-26,129,共13页
This paper aims to explore the construct validity of long dialogue multiple-choice (MC) listening comprehension tests through examining the retrospective verbal reports of eight Chinese EFL test-takers at tertiary lev... This paper aims to explore the construct validity of long dialogue multiple-choice (MC) listening comprehension tests through examining the retrospective verbal reports of eight Chinese EFL test-takers at tertiary level. It is found that the grammatical knowledge, discourse knowledge, pragmatic knowledge and sociolinguistic knowledge of language competence and all the cognitive and metacognitive strategies proposed in the framework of listening constructs are measured in the tests, which supports the constr... 展开更多
关键词 construct validity MC listening comprehension tests retrospection
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