题目内容：

 

1.The book aims to cover all a______ of city life.

2.The supermarket often began some c______ to attract more customers to buy its goods.

3.Mr. Smith was p______ to a higher position last month, which made every one of us happy.

4.I will talk to you about the history and s______ of the Olympic Games.

5.I didn’t think I had much chance of winning the race, but I thought I’d give it a s______.

6.After 32 years’ ______ (缺席), China returned to the Olympic Games in 1984.

7.National ______ (边界) are becoming increasingly meaningless in the global economy.

8.With the increasing rise of fuel price, biking seems to be the most economical means of ______ (交通).

9.Two auto factories were closed in an ______ (尝试) to cut costs.

10.These are some of the most ______ (频繁地) asked questions about the Internet.