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问题 单项选择题

共有110人参加A、B、C三科考试，每人至少参加一科。已知参加A考试的有52人.只参加A考试的有16人；参加8考试的有63人，只参加B考试的有21人；参加C考试的有61人，只参加C考试的有15人。那么三科考试都参加的有多少人？（）

A.8人

B.14人

C.58人

D.66人

答案

参考答案：A

解析：设三科都参加的是x人，列方程（52-16-x+63-21-x+61-15-x）÷2+x+16+21+15=110，x=8。

选择题

It's 8:10. It's time for _________ class.[ ]

A. mice          

B. Math  

C. math     

D. mathes
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完形填空

One of the most famous writers from England by far is Agatha Christie. Her books and plays can be found in more foreign languages48    any other writer except Shakespeare.

Agatha Christie’s real name was Agatha Miller. She was born in England in 1890. She married Archibald Christie 49   she was 24 years old, and she changed 50  family name to Christie.

She sold her first mystery book in 1920. This book was the first time that the world met Mrs. Christie’s famous detective Hercule Poirot. Ten years after that, Mrs. Christie wrote her first book with her 51      famous detective, Miss Marple.

In 1928, Mrs. Christie’s first marriage broke up. She married M.E.L. Mallowan 52_____1930, but she continued to write her books under 53_____ name Agatha Christie.

Over her life, Agatha Christie wrote 60 books, 16 plays, and more than 100 short stories. She passed 54    in 1976 when she was 85 years old. Her books can still be found 55____            sale in bookstores all around the world.
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