2. due到期的The book will be due next week.

　　(按计划，安排要)发生，到达的

　　What time will the next bus due?

　　The next meeting is due to be held in three months'time.

　　due to =because of=owing to因为，由于

　　His promotion is due to his hard working.

　　Due to the heavy rain,we have to give up the plan for the weekends.

　　3. economic经济的economical节俭的

　　4. effective有效的efficient效率高的

　　5. else其它的something ~ somebody ~

　　6. in the end最终(结果)at last最后(经过很长时间)

　　I have finished the essay at last.

　　We were thinking of going to England,but in the end we went to the USA.

　　7. enjoy oneself=have a good time玩的开心help oneself随便

　　8. establish=set up=found

　　9. evident=obvious=apparent明显的显而易见的

　　10. for example=for instance





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