42.以手摀嘴法(hand-over-mouth exercise)的使用適合年齡?
(A)1~3歲
(B)3~6歲
(C)6~9歲
(D)9~12歲
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統計: A(13), B(131), C(21), D(2), E(0) #1044641
統計: A(13), B(131), C(21), D(2), E(0) #1044641