第6题: [填空题]S1S9 参考答案:but it was a hundred years before Thomas Edison moved from theory and experiment to practical application. 答案解析:Main Points:but Thomas Edison put theory and experiment to practice a hundred years ago.
第32题:[单项选择]<br><br><br/>A.paid<br/>B.spent<br/>C.took<br/>参考答案:B 答案解析:[考点]动词辨析 [解析] He spent 1350 hours in the air. 这个句子的主语是“人”,所以动词用spent,意思是“他有1350小时的飞行经历”。took表示花时间