一、根据句意填合适的名词
1.It was dark and he had already lost his ________ of direction.
答案与解析 sense 句意：天黑了，他早已失去了方向感。sense of direction“方向感”。
2.In the past few years Lucy has formed the habit of keeping a supply of candles in the house in case of power ________.
答案与解析 failure 句意：在过去的几年里，露西养成了在家里备些蜡烛以防停电的习惯。power常常和failure连用，指“停电”。
3.It is amazing that we have a perfect ________ of the city on top of the tower.
答案与解析 view 从后面的on top of the tower可知，这里指从塔顶上看到的优美的风景，故填view。 view强调从远处或者高处看到的风景。
4.Little John hardly got anything in ________ for his kind act, which made him unhappy.
答案与解析 reward 句意：小约翰对于自己的善行几乎没得到什么回报，因此他很不高兴。根据后面的for his kind act可知填写reward，意为“回报，报酬”。
5.The factories are staying open all weekend to try to meet the customers' ________ for this product.
答案与解析 demand 句意：这些工厂周末都在开工，以满足顾客对该产品的需求。meet one's demand for sth.“满足某人对某物的需求”。
