[CR. ] 本月機經 53題
因為想不太通B與C(兩個TOPIC比較相關的)，
感覺ANS是C但是又不知道為什麼那邊會出現"碳"，
還是我就別想太多了?
~"~謝謝大家的指教
The emission of sulfur dioxide when high-sulfur coal is burned is restricted
by law. New coal-burning plants usually comply with the law by installing
expensive equipment to filter sulfur dioxide from their emissions. These new
plants could save money by installing instead less expensive cleaning
equipment that chemically removes most sulfur from coal before combustion.
Which of the following, if known, would be most relevant to evaluating the
claim above about how new coal-burning plants could save money?
A. Whether existing oil-burning plants are required to filter sulfur dioxide
from their emissions
B. Whether the expense of installing the cleaning equipment in a new plant is
less than the expense of installing the cleaning equipment in an older plant
^^^^^^^^^^^ ^^^^^^^^^^^^^^
是否引起無關比較?
C. Whether the process of cleaning the coal is more expensive than the
^^^^^^^^^^^^^^^^^^^^^為什麼會是清理碳?!
process of filtering the emissions
D. Whether lawful emissions of sulfur dioxide from coal-burning plants are
damaging the environment
E. Whether existing plants that use the filtering equipment could replace
this equipment with the cleaning equipment and still compete with new plants
that install the cleaning equipment
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