答案　B

　　50．Which of the following is TRUE of

　　Milton Levine?

　　A．He used to be a soldier.

　　B．He was a Baby Boomer.

　　C．He was fond of collecting ants when he was young.

　　D．He majored in biology in college.

　　解析　 细节理解题。根据第二段中的“He had returned to his birthplace in Pittsburgh, Pennsylvania, after serving in the United States military，”可知，他曾当过兵。

　　答案　A

　　51．Milton Levine got his idea from the following EXCEPT________.

　　A．a business newsletter

　　B．the Baby Boom

　　C．ants parading

　　D．a farmhouse

　　解析　细节理解题。根据第二段中的“He got the idea for his future career from a business newsletter.”“The huge population increase known as the Baby Boom was beginning. There would be a huge demand for children's toys.”以及第三段中的“he saw ants parading around a swimming pool.”等信息可知，他从商务通讯、婴儿潮及蚂蚁搬家中得到启发，发明了这个蚂蚁农场玩具。D项没有提到。

　　答案　D

　　E

　　Amid a critical period for economic recovery，China's top leadership has been busy traveling across major manufacturing cities to diagnose(诊断) the health of the country's economy.

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