Do you like ______ for dinner? [ ]
A. egg
B. a egg
C. an egg
D. an eggs
答案：C
阅读下列短文，完成文后的题目。
John and Amy are good friends. John often plays computer games at Amy's home. John's father is a writer.
His mother is an actress. Amy's father is a farmer. Her mother is a driver.
1. Does John often play computer games at Amy's home?
Yes, _____________ _____________.
2. What does John's father do?
_____________ is a _____________.
3. What does John's mother do?
_____________ is _____________ _____________.
4. What does Amy's father do?
5. What does Amy's mother do?
大气环境监测时，其监测点应在15～20 m以内避开绿色乔、灌木，要在建筑物高度的 ( )倍距离内避开建筑物。
A．1.5
B．2.0
C．2.5
D．3.0
