简答题：Although free of lignin, paper made from cotton and rag was

题目分类：英语四级
题目类型：简答题
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题目内容：

Although free of lignin, paper made from cotton and rag waste can also cost more money than wood pulp paper because there is much less cotton and rag than trees.

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Acid is particularly harmful to photographic materials.

分类：英语四级题型：简答题

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In order to make white paper and card, the makers will add

In order to make white paper and card, the makers will add bleach.

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In order to meet your presentation needs, you can make chan

In order to meet your presentation needs, you can make changes at the “slide ma

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When importing pictures, make sure that they are smaller th

When importing pictures, make sure that they are smaller than two megabytes.

分类：英语四级题型：简答题

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Centering bulleted lists or text can not help to read.

分类：英语四级题型：简答题

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