153.
What is the purpose of turning off the lights on World Earth Day?
(A)To save money on electricity bills.
(B)To increase greenhouse gas emissions.
(C)To create a romantic atmosphere.
(D)To reduce energy consumption and raise awareness about sustainability.
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統計: A(9), B(10), C(7), D(516), E(0) #3096953
統計: A(9), B(10), C(7), D(516), E(0) #3096953