单项选择题

‍目前，在大型乒乓球赛事中，多采用和两个成熟的软件。

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听力原文： There are two kinds of memory: short-term and long-term. Information in long-term memory can be recalled at a later time when it is needeD.The information may be kept for days and weeks. In contrast, information in short-term memory is kept for only a few seconds, usually by repeating the information over and over. The following experiment shows how short-term memory has been studieD.Henning studied how students who are learning English as second language remember vocabulary. The subjects in his experiment were 75 college students. They represented all levels of ability in English: beginning, intermediate, advanced, and native-speaking students. To begin with, the subjects listened to a recording of a native speaker reading a paragraph in English. Following the recording, the subjects took a 15-question test to see which words they remembereD.Each question had four choices. The subjects had to circle the word they had heard in the recording. Some of the questions had four choices that sounded alikE.For example, weather, whether, wither, and wether are four words sound alikE.Some of the questions had four choices that have the same meaning. Method, way, manner, and system would be four words with the same meaning. Finally the subjects took a language proficiency test.Henning found that students with a lower proficiency in English made more of their mistakes on words that sound alike; students with a higher proficiency made more of their mistakes on words that have the same meaning. Henning's results suggest that beginning students hold the sound of words in their short-term memory, and the advanced students hold the meaning of words in their short-term memory.(33)A.To study how students remember English vocabulary by short-term memory.B.To study how students learn English vocabulary.C.To study how to develop student's ability in English.D.To study how long information in short-term memory is kept.

A.B.
C.
(33)
A.To
D.
B.To
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C.To
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D.To
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危险化学品安全技术本部分共10小题，每小题1分。每题的备选项中只有一个最符合题意。危险化学品的主要危险特性是( )。D.火灾、失效、中毒、腐蚀及污染环境

A.燃烧性、爆炸性、中毒性、腐蚀性及放射性
B.火灾性、爆炸性、中毒性、腐蚀性及放射性
C.火灾、爆炸、感染、腐蚀及污染环境
单项选择题
_____污泥适合采用气浮浓缩法。

A．亲水的
B．比重大于1
C．容易膨胀的污泥
D．栅渣

‍目前，在大型乒乓球赛事中，多采用 和 两个成熟的软件。​ ​

相关考题

‍目前，在大型乒乓球赛事中，多采用和两个成熟的软件。