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Happy Accidents
What do chocolate chip cookies , stainless steel , and penicillin have in common ? All three were discovered by accident ! Students will enjoy reading about some happy accidents that have brought us lots of useful things . A glossary at the back of the book defines new vocabulary introduced within this language level . English Zone Level 4 Readers A No Trouble At All ! B Pandora's Box C Happy Accidents
التصنيف: Children
