1 . A sense of humor can help ease the t______ between unfamiliar people. (根据首字母单词拼写)

2 . The government has made every effort to ease the ______ (紧张关系). (根据汉语提示单词拼写)

3 . They are starting to wonder how long their good _____ (运气) can last. (根据汉语提示单词拼写)

4 . The river has two main _______ (支流) along its way to the sea. (根据汉语提示单词拼写)

5 . To reach a goal of change, a person must show some ______ (自律) and repeatedly take some small steps. (根据汉语提示单词拼写)

6 . The incident sparked off a whole __________ (系列) of events that nobody had foreseen. (根据汉语提示单词拼写)

7 . Almost everywhere you go in the UK, you will be surrounded by __________ (证据) of four different groups of people who took over at different times throughout history. (根据汉语提示单词拼写)

8 . Even after it became an official nature _________ (保护区) in the 1970s, the rabbits remained out of control. (根据汉语提示单词拼写)

9 . In a _____________to making us relaxed, music has a lot of other benefits to us. (根据首字母单词拼写)

10 . The e________ is rather on conversation about business, family or pleasure. (根据首字母单词拼写)