Ⅰ. 单词拼写
1. earn(挣) money
2. freeze(冻住) solid
3. sign(签字) a letter
4. apply(申请) for a scholarship
5. require(需要) more patience
6. suffer(遭受) terribly
7. double(加倍) to 100 within 3 years
8. a temporary(暂时的) job
9. a permanent(长久的) contract
10. a renewable(可续签的) agreement
11. an essential(必不可少的) part of the machine
12. grateful(感激的) for your sympathy
13. available(可获得的) data
14. a traditional(传统的) style