单词拼写（共10小题；每小题1分，共10分）

1. A great celebration was held on his _________(50岁)birthday.                

2.He dived into the water, leaving only his face _________(暴露)             

3. Some people work together under _________(压力)                     

4.He said he was late because of a traffic jam. But it didn’t sound like

a      _     （合理）enough excuse.

5. A _______（图书管理员）is a person who helps you when you want to borrow books from a library. 

6. They needed five more ____ (工程师) to complete the design.             

7.They were _______(秘密地)married last week.                           

8. She was well known as an ______(出色) dancer                           

9.His job is to do ________(科学)research.                                

10.He has formed the habit of getting up and going to bed early and does

   everything ________(有规律)