译林牛津版选修六Unit4 Reading(II)课件(共40张PPT)
Language Points
1. lack n. & vt. 缺乏,短缺
When there is a lack of food,there is hunger.当缺少食物时就会有饥饿产生。
Many people died for lack of clean drinking water.因为缺少干净的饮用水,很多人都死了。
He is good at his job but he seems to lack confidence.他工作不错,但似乎缺乏信心。
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