49. (A) 15342 (B) 51243 (C) 14325 (D) 54231
(1) If we continue to consume oil at the present rate, we will run out of it in less than a hundred
years.
(2) Its use grew consistently during the twentieth century, and will continue to do so well into
the twenty-first century.
(3) However, the world’s supply of oil, from which gasoline is derived, is limited.
(4) Its widespread use began in the early 1900s with the mass production of automobiles.
(5) Gasoline is one of the most important fuels used in transportation.
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