----- Nội dung ảnh ----- A. unsafe Question 31: The word "it" in paragraph 2 refers to ______. A. water B. opportunity C. urban growth D. electricity Question 32: According to the passage, what are some of the risks associated with poorly managed urbanisation? A. improved public goods B. decreased food consumption C. gang violence and terrorism D. decreased urban population Question 33: Which of the following is NOT true according to the passage? A. The global urban population is expected to double by 2050 B. 96 percent of all urbanisation by 2030 will occur in developed countries C. Urban growth provides an opportunity to connect more people to water and electricity D. The recent Ebola virus outbreak in West Africa was an urban phenomenon.