複選題
70. According to the article, which of the following characteristics may be less common among first-born or only children?
(A) risk-taking
(B) conservative
(C) carefree
(D) artistic
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統計: A(62), B(16), C(51), D(57), E(1) #607641
統計: A(62), B(16), C(51), D(57), E(1) #607641