Modern science has found that ________ one is using chopsticks, over 30 joints and over 50 muscles(肌...
2022-07-04 03:53:20 213次 2020年江苏省苏州市区中考一模英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
Modern science has found that ________ one is using chopsticks, over 30 joints and over 50 muscles(肌肉)are used.
A.while B.since C.although D.unless
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