1. The doctor told Penny that too much ____ to the sun is bad for the skin.
A. exposure   B. extension   C. exhibition   D. expansion

2. Children who are over-protected by their parents may become_____.
A. hurt    B. damaged   C. spoiled   D. harmed

3．I have no objection ____ the evening with them.
A. to spend   B. to spending   C. of spending   D. spending

4. It is said that the math teacher seems _______ towards bright students.
A) partial B) beneficial C) preferable D) liable

5. The director was critical ______ the way we were doing the work.
A) at         B) in           C)of     D) with

答案:
1A 2C 3B 4A 5C