题目内容
一般ISO400的胶片比ISO100的胶片颗粒性要小。
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简答题 简述秘书知识结构的主要内容。
Learning is more effective when the learners are actively involved in the learning process.（）
The most obvious characteristics of the Communicative Approach is that almost everything that is done is done with a communicative intent.（）
一般ISO400的胶片比ISO100的胶片反差要大。
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