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children believe they can succeed, they will never become totally independent.A. If B. Since C. Unl

编辑:chaxungu时间:2026-04-27 03:09:15分类:高中英语题库

【题目】________ children believe they can succeed, they will never become totally independent.

A. If B. Since C. Unless D. Though

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【答案】C

【解析】考查连词。A. If如果;B. Since自从;C. Unless除非;D. Though虽然。句意:除非孩子们相信他们能取得成功,否则他们将永远不会完全独立。此处表示“除非”,其他项代入句中不合语境,故选C。