题目

阅读理解 A qualified doctor who rarely practiced but instead devoted his life to writing．He once said: “Medicine is my lawful wife, and literature is my lover．” Russian writer Anton Pavlovich Chekhov, was a great playwright and one of the masters of the modern short story． When Chekhov entered the Moscow University Medical School in 1879, he started to publish hundreds of comic short stories to support his family．After he graduated, he wrote regularly for a local daily newspaper． As a writer he was extremely fast, often producing a short story in an hour or less．Chekhov's m关于五种地形的说法，正确的是（ ）A. 山地和丘陵的共同特征是地面起伏不平 B. 盆地的四周是高山或高原，中部一定是平原C. 高原的地表形态是一马平川 D. 平原的海拔一定比丘陵高