单项选择题
Of all the oceans in the world, the Indian Ocean contains more than （）
A．5 percent of the world' s water B．15 percent of the world' s water C．20 percent of the world' s water D．50 percent of the world' s water
单项选择题 The word “supply”in the third sentence means （）
单项选择题 Sri Lanka lies near（）
单项选择题 Which of the following statements is true（）
