48. According to the passage, which of the following statements is true?
(A) Today, more than 50 percent of people in the world live in cities.
(B) When more people move into cities, the city does not create as much art.
(C) At Woodstock, everyone worked together and there were no difficulties.
(D) The United States has a higher life expectancy than anywhere in the world.

答案：登入後查看
統計： A(1), B(0), C(0), D(0), E(0) #2753597