问题 单项选择题

在一次国际美食大赛中,中、法、日、俄四国的评委对一道菜品进行打分。中国评委和法国评委给出的平均分是94,法国评委和日本评委给出的平均分是90,日本评委和俄国评委给出的平均分是92,那么中国评委和俄国评委给出的平均分是( )。

A.93分

B.94分

C.96分

D.98分

答案

参考答案:C

解析: 设中、法、日、俄四国的评委给出的分数分别是A、B、C、D,根据题意可知:A+B=94×2,B+C=90×2,C+D=92×2,又因为 A+D=(A+B)+(C+D)-(B+C) =94×2+92×2-90×2 =(94+92-90)×2 =96×2 所以中国评委和俄国评委给出的平均分是96分,本题正确答案为C。

单项选择题
阅读理解

Perhaps the most extraordinary (奇特的) building put up in the nineteenth century was the Crystal Palace (水晶宫) which was built in Hyde Park for the Great Exhibition of 1851. The Crystal Palace was different from all the other buildings in the world, for it was made of iron and glass. It was one of the biggest buildings of all the time and a lot of people from many countries came to see it. Plenty of goods were sent to the exhibition from all parts of the world. There was also a great deal of machinery on show. Though in those days, traveling was not as easy as it is today, steamboats carried thousands of visitors across the Channel from Europe. On arriving in England, they were taken to the Crystal Palace by train. There were six million visitors in all, and the money from the exhibition was used to build museums and colleges. Later the Crystal Palace was moved to the South London. It remained one of the most famous buildings in the world until it was burnt down in 1936.

小题1:The Crystal Palace was built up              .

A.in the 1950s

B.in the 1900s

C.shortly before 1851

D.before 1951小题2:People from many countries came to the Crystal Palace mainly to            .

A.buy goods

B.visit an exhibition

C.travel around

D.enjoy the Crystal Palace itself小题3:What happened to the Crystal Palace in 1936?

A.It caught a terrible fire.

B.It disappeared suddenly.

C.It went to the South of London.

D.It was rebuilt.小题4:The Crystal Palace was famous to all because            .

A.it is the biggest building in the world

B.so many visitors had been there

C.it was made of iron and glass

D.it was burnt down at last小题5:The writer              .

A.thought the Crystal Palace very useful

B.sang high praise for the Crystal Palace

C.wanted the Crystal Palace to be rebuilt

D.was one of the visitors to the Crystal Palace