16. Because natural gas is composed mostly of methane,
a simple hydrocarbon, vehicles powered by natural
gas emit less of certain pollutants than the burning
of gasoline or diesel fuel.
(A) less of certain pollutants than the burning of
gasoline or diesel fuel
(B) fewer of certain pollutants than burning gaso-
line or diesel fuel do
(C) less of certain pollutants than gasoline or
diesel fuel
(D) fewer of certain pollutants than does burning gasoline or diesel fuel
(E) less of certain pollutants than those burning
gasoline or diesel fuel
answer is e), i thought d) is much better than e)..
| 欢迎光临 ChaseDream (https://forum.chasedream.com/) | Powered by Discuz! X3.3 |