3．run out of 用完，耗尽

　　4．carry on 继续做某事

　　5．make progress 取得进步

　　6．have difficulty (in)_doing sth. 做某事有困难

　　7．work out 算出，理解

　　8．get away 离开，逃脱

　　9．in preparation for 为......做准备

　　10．fail to do sth. 未做成某事

　　1. Then came the total darkness of the polar winter.

　　接着漆黑的极地冬夜来临了。

　　[句式分析]　这是一个倒装句。时间副词then置于句首时，句子要用完全倒装，即将谓语动词came提到主语之前。

　　[佳句赏析]　然后从门后出来另一个男孩。

　　Then came another boy from behind the door.

　　2. He had teams of dogs pulling the sledges and all his men were on skis.

　　他让成群的狗拉着雪橇，所有人都坐在雪板上。

　　[句式分析]　句中have为使役动词，后跟复合宾语，宾语补足语可以是现在分词、过去分词，也可以是不带to的不定式。

　　[佳句赏析]　他让他的马在草原上自由驰骋。

　　 He had his horse running freely on the grassland.

　　3. (长难句分析)We knew that poor Oates was walking to his death, but though we tried to stop him, we knew that it was the act of a brave man and an English gentleman.

　　我们都知道可怜的奥茨在走向死亡，尽管我们设法阻拦，但我们都知道这是勇敢者的举动，是英国绅士的行为。

　　[句式分析]　本句为并列复合句，由but连接前后两个并列分句。前一分句是主从复合句，含that引导的宾语从句；后一分句也是主从复合句，含though引导的让步状语从句和that引导的宾语从句。

What do the following two pictures describe? Have you ever dreamed of a journey there? Why?