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1) This is Mr. Black, director of our hospital. 2) ldquo;Leave it to me, rdquo; said Peter, the man 3) Qinghai Lake, the largest inland body of salt water in China, lies 3195 meters above sea level. 4) The whole plan was completed within three months, half the usual time. 5) He read all kinds of books, ancient and modern, Chinese and foreign. 6) Formerly a worker himself, he is now an engineer. 7) A mother of three children, she has now entered a college again for further education. | 
