23 Which of the following is NOT mentioned as a reason for using plastic bottles for construction?
(A) They allow more natural light into buildings.
(B) They are inexpensive compared to other materials.
(C) They can be recycled annually.
(D) They do not get damaged easily during natural disasters.

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統計: A(9), B(33), C(104), D(26), E(0) #1173466

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four percent of plas...
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