单词拼写.根据下列句子及所缺单词的首字母或汉语意思,写出单词的正确形式. 1. A ________ (化学的) change takes place in paper when it burns. 2. We must r________ ourselves of these old ideas. 3. Not having had food for over forty hours, we were all weak from h_________. 4. Because of the heavy rain the l________ of the lake has risen 6 inches. 5. It was a new form of ________ (细菌) and nobody knew how it would affect humans. 6. The cookies are made from g________ and fruit. 7. Farmers consider rabbits to be p________, because they destroy some crops they grow. 8. The violent film is not ________(合适的) for children. 9. This food provides the ________(营养) your dog needs. 10. The average ________(产量) of the factory is 20 cars a day.