Ⅰ.单项选择(共15分,每小题1分)
从下面各题的A、B、C、D四个选项中选出一个最佳答案。
1.The air pollution is a serious in our country. Our government is trying to solve it.
A. choiceB. programC. problemD. opinion
2.Yesterday our teacher said we should hand in our homework on time. The underlined word
is pronounced as .
A. /si:d/B. /sed/ C. /seid/D. /said/