1. firmly master the usage of the words: aboard, equal, submit, decline, and improve the abilities to comprehend and memorize. 2. through self-directed study and cooperative exploration, learn to analyze and summarize the method of appropriate expression. 3. experience the beauty of english with a strong passion and crazy english. i. words: 1.aboard adv. / prep. 在船（飞机,车等)上; 上船（飞机,车等)
