1 . The study refers to the ________(相似) and differences between the two countries. （根据汉语提示单词拼写）

2 . Before reading this novel, please try to inform yourself of the ________(历史的) background of it. （根据汉语提示单词拼写）

3 . She had an ________(争论) with her classmates over a problem, which bothered her for a long time. （根据汉语提示单词拼写）

4 . There are three fundamental ________(原则) of English learning: repeat, revise and reflect. （根据汉语提示单词拼写）

5 . Steven is always made to do the most difficult jobs and gets the lowest salary, but he never ________(抱怨). (根据汉语提示单词拼写)

6 . After reconstruction, Beihu Park, the l________ of Nanchong, has taken on an entirely new look. （根据首字母单词拼写）

7 . There is no p________ that the epidemic situation of COVID-19 can be controlled without effective measures taken by the government. （根据首字母单词拼写）

9 . In traditional Chinese culture, dragon is the s________ of royal family, which stands for power and status. （根据首字母单词拼写）

10 . This summer, a violent rainstorm s________ Henan Province, which caused great economic loss and many broken families. （根据首字母单词拼写）