2011 山东 第 82 题 单选题 区分题 2011_山东卷 (英语) 72.How did Tavella operate the wheelchair in the laboratory? A. By controlling his muscles.B. By talking to the machine.C. By moving his hand.D. By using his mind. 参考答案D ☆ 收藏不会,直接看解析查看原卷 →