1. Due to the growing elderly population, the __________ for health services is increasing year by year.
(A) command
(B) demand
(C) retreat
(D) threat

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統計： A(8), B(66), C(6), D(10), E(0) #589063

詳解 (共 1 筆)

#1174023
B需要，需求
C撤退
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