49. Which of the following is NOT true according to passage?
(A) The supply of sunlight is limitless.
(B) Using sunlight as a source of energy can benefit mankind.
(C) Solar energy makes great use of fuel such as coal and natural gas.
(D) Changing sunlight into electrical energy would do little harm to the
environment.
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統計: A(8), B(10), C(30), D(6), E(0) #683704
統計: A(8), B(10), C(30), D(6), E(0) #683704