1 . Most businesses seek to make a p________ —that is, they aim to achieve income that is more than the cost of operating the business. （根据首字母单词拼写）

2 . There are many different______(质量) of gold and silver.(根据汉语提示单词拼写)

3 . The house is only a very short ________ (距离) from the sea. (根据汉语提示单词拼写)

4 . Teamwork is a key ______ (特色) of the training programme. (根据汉语提示单词拼写)

5 . We all breathed a sigh with ________ (解脱) when we heard they were safe. （根据汉语提示单词拼写）

6 . The measures will improve the ________ (质量) of the water in the river.(根据汉语提示单词拼写)

7 . They had lower fitness levels and higher blood p_____________. (根据首字母单词拼写)

8 . One of the most effective ways to reduce s________________ is to talk about feelings with someone you trust. (根据首字母单词拼写)

9 . His_________(消失) has been the subject of intensive investigation.(根据汉语提示单词拼写)

10 . He’s universally recognised as an_________ (权威人士) on Russian affairs. (根据汉语提示单词拼写)