用下列单词的正确形式填空。 liable accelerate destruction insight boost analysis calculate persist promote 1. Nowadays the accountants in enterprises use computers to ________ the cost of production with accuracy. 2. Some countries hope that warmer weather and more rain will ________ their farm output. 3. If we ________ in his practice, gradually we’ll learn how to express ourselves in English. 4. Human activities can cause or ________ permanent changes in natural systems. 5. To acknowledge other cultures will ________ good will among people of different backgrounds. 6. The ________ caused by too many wars and the death of millions of people shook the foundation of Western idealism. 7. I am interested in Clare's ________ of the situation in China. 8. If someone has ________, they are able to understand complex situations. 9. The airline's insurer is ________ for damages to the victims' families.