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FUN TIME
Are you tired of the puzzles you usually do? Sudoku is a new choice. Sudoku consists of the Japanese characters Su (meaning “number”) and Doku (meaning “single”), but it was not invented in Japan. It was created by Howard Garnes in 1979. The puzzle was first introduced into Japan by Nikoli Puzzle Company in 1984. In 1986, Kaji Maki, the president of Nikoli made the rules strict and clear. Soon in the same year Sudoku became popular in Japan. In November 2004, The Times, a British newspaper, first printed it in the newspaper. It became an international hit in 2005. Now Sudoku becomes very popular all over the world.
The rule of the puzzle is to fill in the grids (格子) so that every row, every line and every 3×3 box has the numbers 1 to 9. Here is a Sudoku. Please relax and enjoy. It’s fun!

9	2	4	7	6	3	1	5	8
5	3	6	8	9	1	4	2	7
X	7	8	2	5	4	9	6	3
7	1	9	3	4	2	5	8	6
4	8	3	6	1	5	2	7	9
2	6	5	9	8	7	3	4	1
3	9	7	4	2	Y	6	1	Z
6	5	2	1	7	9	8	3	4
8	4	1	5	3	6	7	9	2

根據以上雜志專欄內容，回答下列問題。
小題1:Who created Sudoku?

A．Howard Garnes.

B．Sudoku.

C．Kaji Maki.

D．Nikoli.

小題2:Which is true about Kaji Maki according to the reading material?

A．He was the boss of Nissan Company.

B．He helped to make Sudoku popular in Japan.

C．He was the president of The Times.

D．He is an American.

小題3:Which is NOT true about Sudoku?

A．Sudoku wasn’t invented in Japan.

B．It was The Times that first printed Sudoku in the newspaper.

C．Each grid has more than one number.

D．It became popular around the world in 2005.

小題4:In the puzzle above, what should “X” be?

A．5.

B．4.

C．3.

D．1.

小題5:What should “Z” be in the puzzle?

A．8.

B．5.

C．2.

D．4.

小題1:A
小題2:B
小題3:C
小題4:D
小題5:B

短文大意：這篇短文主要介紹了數獨游戲的由來和它的游戲規則。
小題1:根據It was created by Howard Garnes in 1979. 描述，可知選A。
小題2:根據The puzzle was first introduced into Japan by Nikoli Puzzle Company in 1984。In 1986, Kaji Maki, the president of Nikoli made the rules strict and clear. Soon in the same year Sudoku became popular in Japan.描述，可知選B。
小題3:根據3×3 box has the numbers 1 to 9. 可知每個格里面只有一個數字，故選C。
小題4:根據every 3×3 box has the numbers 1 to 9.及第一列描述，可知本列缺少的是數字1，故選D。
小題5:根據every 3×3 box has the numbers 1 to 9.及最后一列描述，可知本列缺少的是數字5，故選B

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同步練習冊答案

9	2	4	7	6	3	1	5	8
5	3	6	8	9	1	4	2	7
X	7	8	2	5	4	9	6	3
7	1	9	3	4	2	5	8	6
4	8	3	6	1	5	2	7	9
2	6	5	9	8	7	3	4	1
3	9	7	4	2	Y	6	1	Z
6	5	2	1	7	9	8	3	4
8	4	1	5	3	6	7	9	2

9	2	4	7	6	3	1	5	8
5	3	6	8	9	1	4	2	7
X	7	8	2	5	4	9	6	3
7	1	9	3	4	2	5	8	6
4	8	3	6	1	5	2	7	9
2	6	5	9	8	7	3	4	1
3	9	7	4	2	Y	6	1	Z
6	5	2	1	7	9	8	3	4
8	4	1	5	3	6	7	9	2

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5	3	6	8	9	1	4	2	7
X	7	8	2	5	4	9	6	3
7	1	9	3	4	2	5	8	6
4	8	3	6	1	5	2	7	9
2	6	5	9	8	7	3	4	1
3	9	7	4	2	Y	6	1	Z
6	5	2	1	7	9	8	3	4
8	4	1	5	3	6	7	9	2