Secondly, a good development of our writing is based on a clear structure anization. Even a simple outline will help us see the big picture and save ushours of rewriting. Finally, diversity of vocabulary and grammar used in writing is mended for the reason that one of the mon manifestations of bad writing isoveruse or reuse of simple language.To sum up, we should take practice and expand our knowledge to e a great writer. Withenough hard work and scientific techniques, we will amaze not only ourselves but also anybodyelse.Part Ⅱ prehension1. B) Scared.2. D) It was covered with large scales.3. A) A study of the fast-food service.4. C) Increased variety of products.5. C) U.S. government's approval of private space missions.6. A) Deliver scientific equipment to the moon.7. B) It is promising.