18. According to the passage, which of the following may not be a cause of structural unemployment?
(A) Technological advancements.
(B) Globalized business and economy.
(C) Extreme weather changes.
(D) Life expectancy.
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統計: A(81), B(98), C(494), D(98), E(0) #1447776
統計: A(81), B(98), C(494), D(98), E(0) #1447776