1 . The girl had no ___________ (信心) about herself when she came to the city for the first time. (根据汉语提示单词拼写)

2 . The first time I met him on ___________ (校园), he made himself known to me. (根据汉语提示单词拼写)

3 . Even scientists cannot explain this natural ____________ (现象). (根据汉语提示单词拼写)

4 . I admire Edison a lot because he made a great c________(贡献)to the world. （根据中英文提示填空）

5 . Our teacher is very strict with us, yet we all show our r________ for her. （根据首字母单词拼写）

6 . Smiling and laughing has actually been shown to relieve t________ and stress. （根据首字母单词拼写）

7 . The college attracts students of all ________ (国籍)．（根据汉语提示单词拼写）

8 . Our lives may be changed beyond ______(认出)by 3D printing in the near future. (根据汉语提示单词拼写)

9 . Finally, it should be pointed out that enjoying the c_______ of a crowd is not the same as being with friends. （根据首字母单词拼写）

10 . Physical activity is an important ________(因素) in keeping fit. （根据汉语提示单词拼写）