单选题：It can be infereed from what Gussani says in Paragrah 4 that

题目分类：理工类
题目类型：单选题
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题目内容：

It can be infereed from what Gussani says in Paragrah 4 that __________. A．the findingwas unexpected
B．he was very tired
C．the study took longer tha expected
D．he was surprised to find low-income families in La Paz

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分类：理工类题型：单选题

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The new system was found more effective in document search t

The new system was found more effective in document search than the __________.A

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Geoffery Miler has done research on music and emotions.

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