V. Complete the sentences with the given words in their proper forms. 1. It's cold and the ground is ____ with ice. (cover)

2. In some places, people can not get fresh water ____. (easy)

3. In ____ life, water is proud of itself. (support)

4. Everyone knows water is very ____ in our daily life. (use)

5. The lecture by Professor Wang is so ____ that we all feel sleepy. (bore)

6. Chemicals are needed for wastewater ____, which costs a lot of money. (treat)

7. Time is limited. I'll start ____ at once. (research)

8. Water cycle is an ____ and satisfying ride. (excite)

VI. Read the following passage and answer the questions. World Water Day is on 22 March each year. It started in 1992. Its goal is to get citizens and governments thinking about one of our most precious resources. For human beings, water not only is an important resource to survive and grow, but also offers fun and pleasure. Could you imagine what the world would be like without water? Nowadays we are facing an increasing number of environmental problems such as water pollution and water shortage. In India's capital, New Delhi, millions do not have any running water. Even in richer neighborhoods, young and old wait hours for clean water. One young woman in Ghana, like many in Africa, Asia, Latin America, and elsewhere walk kilometres for water. “I have to collect for my family five times a day.” Something must be done to save and protect water immediately. The special day is a day for us to know about what we have done and what we should do. I believe the environment will become better and better if we follow the spirit of the World Water Day. 1. When did World Water Day start?

2. What is World Water Day's goal?

3. What problems are we meeting with?

4. Why does the young woman say, “I have to collect for my family five times a day.”?

5. From the last paragraph, what can we conclude?