This product is written in accordance with the requirements of the new primary school English curriculum standards. The words (including phrases) cover various versions of primary school English textbooks (including People's Education Press Edition, Foreign Language Research Press Edition, Beijing Normal University Edition, Shanghai Education Edition, Sichuan Education Edition, Hebei Education Edition, Hunan Education Edition, Popular Science Edition, etc.). The example sentences are all selected from the texts of each version of the textbook, and are published by grade. Elementary school students can choose according to their grade and learn step by step. Not only can they remember the words and example sentences in the textbooks they have learned, but they can also take into account the content of other versions of the textbooks. Its characteristics are: using words as clues, learning example sentences to remember words, and at the same time consolidating text learning, mastering the core content of teaching materials, improving listening and speaking skills, and comprehensively improving the overall level of English.