試題詳解

49. According to the passage, which of the following about megacities is TRUE?
(A) The UN Population Division attempted to reduce the size of megacities.
(B) Around the globe, there are twenty-five cities with population exceeding 10 million.
(C) A megacity can accommodate more than 10 million migrant workers.
(D) The biggest trouble need for a megacity is not having a new economic model to provide enough jobs.