【单选题】【消耗次数：1】
和外存储器相比，内存储器的特点是__
①
容量大、速度快、成本低
②
容量大、速度慢、成本高
③
容量小、速度快、成本高
④
容量小、速度快、成本低
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argue
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will reduce
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play
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As he was poor
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interfered
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offended
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impressed
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dropping
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【单选题】
1. Decide which of the following best states the authors purpose of writing?
①
To express his anguish of movig from his old home
②
To describe the laughter and tears of the four generations of his family
③
to explain the real meaning of his grandpas wordsneversay googbye‘
④
To tell the story of his grandpas death