1, write 160 articles. It is a topic composition book, and the textbook classifies the writing corpus such as words, sentences, paragraphs and articles on each topic.

2. "Extraordinary vocabulary". Suitable for people with weak English foundation. Remember the words sentence by sentence. 660 sentences contain all the key words of CET-4, and each sentence contains 4 to 6 words.

3. Encyclopedia of Essential Vocabulary Application. Suitable for people who don't have enough review time. Mainly recite the required words, less than 2000, and the memory is small. Each word has 4 to 6 phrases, all of which are frequently tested phrases. It is practical to write them down.

4. "Love has words". This book covers most English test vocabulary, using reasonable distribution to help remember vocabulary.

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