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课时规范训练(单独成册) 训练(十六) Ⅰ.阅读理解 阅读下列短文，从每题所给的四个选项(A、B、C、D)中，选出最佳选项。 A In the 1930s，the people of the southern Great plains suffered through one of the worst disasters in history. That April Sunday in 1935 started out beautiful.But later the wind picked up earth，and it looked like a huge black cloud.By the time it got to an area called No Man’s Land，the cloud was thousands of feet high. Close by in Liberal，Kansas,11yearold Lila Lee and a friend sought refuge (藏身处) from the angry mountain of dust in a house.“I was sure I was going to die，” she told historian Paul Bonnifield. That day was known as Black Sunday.Bobert Geiger，a reporter，knew how the area’s farmers had already suffered from the long drought (旱灾)．In his article，Geiger made up a phrase that gave a name to the area：The Dust Bowl. The disaster had a number of causes.But most experts say it was the actions of humans that made it so bad.Early in the 20th century，a lot of people began to settle there，encouraged by the building of new railroads.The worst thing that settlers did was to plow up (铲掉) the area’s grass to plant wheat.The grass，which had been there for centuries，was the material that kept the soil together.Without it，trouble was certain to come. | 
