Question

review the first, second, and third paragraphs. wind energy although the use of wind energy has flourished in the u.s. in recent years, people all over the world have been harnessing the power of wind for thousands of years. as early as 5000 bce, wind energy was used to propel boats along the nile river. by 200 bce, simple wind-powered water pumps were used in china, and windmills with woven-reed blades were grinding grain in persia and the rest of the middle east. new ways to use wind energy eventually spread around the world. by the eleventh century, people in the middle east were using wind pumps and windmills extensively for food production. merchants and returning crusaders how do the first, second, and third paragraphs work together? they emphasize how wind power has been used differently in different locations. they paint a picture of wind power as an old, outdated technology. they describe the early uses of wind power and its spread.

Explanation:

第一段提到早在公元前5000年，风能就被用于推动尼罗河上的船只，公元前200年，中国使用简单的风力水泵，波斯和中东其他地区用风车磨谷物；第二段说新的风能使用方式传播到世界各地，到11世纪，中东地区广泛使用风力泵和风车用于食品生产。整体是在描述风能的早期使用及传播。

Answer:

They describe the early uses of wind power and its spread.