B. 【2013江苏连云港】根据短文意思和所给首字母，写出一个完整正确的单词。
The United Nations declared March 22nd as a day for water in 1992. For human beings, water not only is an important resource to survive and (51) g________， but also offers fun and pleasure. Could you imagine what the world would be like (52) w________ water?
Nowadays, we are (53) f________ an increasing number of environmental problems such as water pollution and water shortage. Something must be done to save and protect water (54) i________. The special day is a day for us to think about what we have done and what we should do. I (55) b________ the environment will become better and better if we follow the spirit of the World Water Day.
【答案】B.51.grow 52.without 53.facing 54. immediately 55.believe
