23. Concrete operational stage is from ages 7 to 11,________ children can conserve and think logically but only with practical aids and they are no longer self-centered.
(A) during which
(B) which
(C) to which
(D) what

答案：登入後查看
統計： A(436), B(151), C(35), D(34), E(0) #217932

詳解 (共 6 筆)

#858302
因為前面是時間 所以要變成during which 如果前面只是事物, which 就可以了
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#293397
Concrete operational stage
具體操作的階段
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#313368
Piaget 具體運思期
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#305312
conserve 使守恆
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#639063
什麼時候which前面要加介係詞阿>"< 有時候可以只用which ，這題卻又變成要加during.....
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#2801238
原句為兩個句子：

Concrete operational stage is from ages 7 to 11.

Children can conserve and think logically but only with practical aids and they are no longer self-centered during the concrete operational stage(在具體運思期的期間).



用which替代the concrete operational stage，因為是"在一段時間內"所以要用"介詞+which"的方式合併兩個句子：

Concrete operational stage is from ages 7 to 11, during which Children can conserve and think logically but only with practical aids and they are no longer self-centered.


 

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