Evan Moor教材的水准无需解释。这本教材不仅训练词汇，更训练科学严谨的思维。每天三道小题，每五天有一次写作练习，非常非常受益。
In 36 weeks of systematic instruction, your second-graders will learn 95 key academic vocabulary words that they are likely to encounter in multiple subject areas and in assessment instruments. Examples of the words presented in grade 2: - collect, examine, requirement - comparison, explain, result - complete, importance, similar - direct, observe, state
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