The word horsepower was first used two hundred years ago. James Watt had made the world’s first widely used (11) . He had no way of telling people exactly how powerful it was, for (12) there were no units for measuring power. Watt decided to find out how much work one strong horse could do in (13) . He called that unit one horsepower. With this unit he could measure the work his steam engine could do. He discovered that a horse lift a (14) weight 10 feet in one minute. Because his engine did (15) as much as the horse, Watt called it a ten-horsepower engine. The word horsepower was first used two hundred years ago. James Watt had made the world’s first widely used (11) . He had no way of telling people exactly how powerful it was, for (12) there were no units for measuring power. Watt decided to find out how much work one strong horse could do in (13) . He called that unit one horsepower. With this unit he could measure the work his steam engine could do. He discovered that a horse lift a (14) weight 10 feet in one minute. Because his engine did (15) as much as the horse, Watt called it a ten-horsepower engine.
【参考答案】
ten times该句是一个带有比较句型的句子。关键词是as much as...“与……一样多”。在其前面常常可以加上......