题目内容：

1.Their unexpected         (到达)threw our plan into confusion.

2.We spent two hours analysing the team’s strengths and           (缺点).

3.Flying across the Atlantic for the first time was a great            (成就).

4.The teacher showed          (特别的)concern for the disabled girl.

5.The writer has a           (独一无二的) style, which makes him world-famous.

6.It’s illegal to read people’s private letters without p          . 

7.No one knows the o        of life on earth.

8.They have e           the business by opening three more stores.

9.The room is 15feet in l        and 10feet inwidth.

10.Mount Tai has become a tourist a          all over the world.