（  ）14. People on the earth can use all the water.

（  ）13. The fresh water often comes from rivers, lakes, underground and seas.

（ ）53. Buyers can find out information about products on the Internet before buying them in traditional shops.

44. Physical activities involved in competitive cheerleading don’t include ____.

59. 我们很欣赏贵公司产品的良好质量,不过遗憾的是价格似乎太高了。

（ ）51. Some customers still prefer traditional shopping because it is more personal and shopping with friends is full of fun.

16. In some remote areas, people don’t have access ____ the Internet.

4.

（  ）12. The fresh water on the earth accounts for about 97% of that huge amount.

56. 本表表明在20世纪90年代经济稳步增长。

29. The Internet keeps us ____ of the latest news in the world.

23. Under no circumstances ____ to tell lies to your friends.