单项选择题

If the average (arithmetic mean) of 10, 20, 30, 40, and x is 60, what is the value of x

A. 50B. 60C. 100D. 150E. 200

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单项选择题

Thousands of years ago, royalty of diverse cultures were often buried in extremely lavish tombs that they themselves commissioned in preparation for their inevitable deaths. About 2,200 years ago, a Chinese emperor named Qin Shihuang had such a tomb prepared. At the age of thirteen, Qin Shihuang had succeeded his father as emperor. The boy was very aggressive and ambitious. He assumed full power at the age of 22 by ridding himself of his rival, a man who had controlled the throne while Qin Shihuang was a minor. Qin Shihuang’s goal was to unify and subjugate all of the Chinese states using his powerful political, economic, and military strength. Despite an ongoing quest for immortality, Qin Shihuang died while traveling at the age of 49. Although he has been dead for centuries, historians can continue to learn of his life by studying the artifacts found in the extravagant tomb in which he was laid to rest. According to the passage, Qin Shihuang can best be described as（）

A. benevolent
B. modest
C. spontaneous
D. insightful
E. ruthless

单项选择题

The Center City Little League is divided into d divisions. Each division has t teams, and each team has p players. How many players are there in the entire league（）

A.A
B.B
C.C
D.D
E.E

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