46. What does the passage mainly discuss?
(A) Ways to fight global warming.
(B) Food shortage due to rising temperatures.
(C) Studies to record world climate change.
(D) Overpopulation in the tropics.
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統計: A(95), B(555), C(113), D(53), E(0) #943363
統計: A(95), B(555), C(113), D(53), E(0) #943363