Oxford Bookworms Library: Level 3: Chemical Secret 牛津书虫分级读物3级：化学秘密（英文原版）

Classics, modern fiction, non-fiction and more – the Oxford Bookworms Library has a book for every student. Written for secondary and adult students the Oxford Bookworms Library has seven reading levels from A1-C1 of the CEFR with over 270 original and adapted texts graded to ensure a comfortable read at every level. Features: Read at a comfortable level with word count and CEFR level on every cover; Illustrations, photos, and diagrams support comprehension; Activities build language skills and check understanding; Glossaries teach difficult vocabulary Free editable tests for every book. 

Classics, modern fiction, non-fiction and more. Written for secondary and adult students the Oxford Bookworms Library has seven reading levels from A1-C1 of the CEFR. John Duncan was an honest man, but he needed money. He had children to look after. He was ready to do anything, and his bosses knew it. They gave him the job because he couldn’t say no; he couldn’t afford to be honest. And the job was like a poison inside him. It changed him and blinded him, so that he couldn’t see the real poison – until it was too late. CEFR B1 Word count 10,385