1. 当选择一种工作的时候，要花些时间权衡一下其优势和劣势。(balance)

5. The North Sea has been an important center for oil　　　　　　　 (explore).

4. The test results so far encountered have been very 　　　　　(discourage).

3.　　　　 (promote)to senior manager, Helen felt very happy.

2. The writer had a sudden　　　 (inspire)that she would adapt the legendary tale for a play.

1. Being isolated on the lonely island,he felt rather 　　　　　　　(depress).

4. She failed in her 　　　　　　　of going into business.

3. He has only one　　　　　　　 　in life -to become rich.

2. He works hard to attain his 　　　　　　　in life.

1. She seems to do these things on 　　　　　.