試題詳解

45. What is the main idea of this passage?
(A) The salty water from the Aral Sea is not fit to be used to irrigate cotton fields.
(B) Due to human follies, the Aral Sea was turned into a desert wasteland.
(C) The environment must be put before economic growth.
(D) The Aral Sea has been destroyed to the extent that it is unlikely to recover.