2011 Shandong Question 82 Single-choice Differentiating 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. Answer keyD ☆ SaveCan't do it, show the explanation查看原卷 →