Sudoku wasn’t invented in Japan.
It was The Times that first printed Sudoku in the newspaper.
Each grid has more than one number.
It became popular around the world in 2005.
第1题：
A.It can be applied to separate two liquids
B.It cannot separate solids which contaminated in the oil.
C.It consists of purifier and clarifier
D.The centrifuge arranged to separate two liquids is known as purifier
第2题：
第3题：
Which of the following statements about Leopold and Rudolph Blaschka is TRUE?
A. They were brothers.
B. They were artists.
C. They were florists.
D. They were farmers.
32．答案为B。根据第一段最后一句，the work of two artists-naturalists，Leopold Blaschka and his son Rudolph作出该项选择。
第4题：
Which statement is true about The QoS Class Fibre Channel？（）
第5题：
Which of the following is TRUE about a caching name server？（）
第6题：
Which statement about stowing spare hose is TRUE ________．
A.Fold the hose so that the male coupling is about 4 feet from the female coupling，then roll it up
B.Roll the hose starting at the female end
C.Roll the hose starting at the male end
D.Fold the hose into lengths about 6 feet long and then lash the folds together
第7题：
第8题：
Of the existing theories about the origin of carnival ，people are not sure which theory is more true to the fact.()
第9题：
Which statement is true about IBGP routers? （）
第10题：
Which three characteristics are true about voice traffic in the campus network？ （）