The phrase "the world" in the first line of the passage refers to According to the passage, we can avoid a worldwide water shor

admin2009-06-15 105

问题 The phrase "the world" in the first line of the passage refers to
According to the passage, we can avoid a worldwide water shortage in the future by

选项 A、increasing rainfall.
B、reusing water and utilizing sea-water.
C、cutting down our consumption of water.
D、reducing the number of factories producing steel.