信息摘录2019第二节:信息摘录(共 1 小题,每小题 10 分,满分 10 分)阅读短文,然后在文后思维导图内完成内容摘要,每空不超过三个词,并将答案写在答题卡的相应位置22.(10 分)The Grand Canyon(科罗拉多大峡谷) is a large river canyon in Arizona. It isover220 miles long and over a mile deep in some places. Its widest point is 18 mileswide. The canyon is considered one of the Seven Natural Wonders of the World.Over millions of years , the Colorado River wore away rocks as it passed through thearea.Slowly, the river made the path deeper and deeper. Now, the canyon is surroundedby steep walls on either side, while the river continues to flow at the bottom of the canyon.Besides its large size ,the Grand Canyon is also known for its magnificent colors .Thecanyon is made of layers of rock (岩层), and each layer of rock has a different depth andcolor.Geologists have identified almost 40