Sudoku puzzles are popular among teenagers and even grow-ups. Many people may ask why these teenagers are so interested in these puzzles. When you begin to play the games, you may find it is really interesting because of the logic(逻辑)in the games.

Sudoku is a Japanese number puzzle based on logic rather than math.Sudoku became popular in early 2005 in the form of books. But now you can find Sudoku App, board games and electronic versions online. You can even find the game in some newspapers.

To solve the puzzle, a single number (from 1 to 9) must be entered in each blank box so that each number used only once in each smaller square and only once in each row and column in the larger square.

How long does a player need to work out the puzzle? Usually, it depends on the speed and the capability (能力) of the player. If you are a beginner, it will take you quite a longer time but you are an experienced Sudoku player you can be faster.

Sudoku puzzles can exercise your brain better. Scientists say solving them depends on neural pathways(神经通路)that even the most powerful computers can’t copy. That is why Sudoku Puzzles can make people cleverer. Many people become addicted to it because it can give the player a great sense of achievement.

1.Sudoku puzzles are based on _______rather than math.

A. numbers B. logic C. speed D. capability

2.People can find Sudoku puzzles in the following ways except _________.

A. in boxes B. in app store C. in newspapers. D. on the Internet

3.Why do scientists say loving Sudoku puzzles can make people more clever?

A. Because it is a math puzzle.

B. Because the player need to use his capability.

C. Because the player must play very fast.

D. Because solving these Sudoku puzzles depends on neural pathways.

4.Which of the following is true according to the passage?

A. You only need to use math skills to play Sudoku.

B. Japanese people began to play Sudoku in early 2005, but it wasn’t popular.

C. The more you play Sudoku, the faster you can be.

D. Playing Sudoku can make people cleverer, so lots of people are addicted to it.

Do you know that each child in school catches six to ten colds every year? Though there is no cure (治愈)for colds, there are some suggestions for you to avoid getting a cold.

First, you can avoid catching a cold by practicing healthy habits. Begin by eating healthy foods. Eat lots of fruits and vegetables and drink milk and juice. Other healthy habits include getting plenty of sleep at night and lots of exercise.

Next, you should try to avoid contact with the viruses (病毒)that cause colds. If you can, stay away from large crowds. When people cough(咳嗽) and sneeze(打喷嚏), the cold virus goes into the air. ?Do not share a drinking cup, fork, or spoon with someone else because that could spread the virus.

Washing you hands is also a good way not to catch a cold. The cold virus may be on the things like telephones and money. Shaking another person’s hand could even spread the virus. By washing your hands, you can ?stop the virus from infecting(传染).

Following the suggestion above until doctors find a way to stop the viruses that cause colds.

阅读上面短文,根据短文内容完成任务。

任务一:根据短文完成句子(不超过两个词)

1.Eating healthy foods _________ a good way____________getting a cold.

任务二:把?处画线的句 子译成汉语。

2.________________________________________________________________________

任务三:用一个恰当的单词替换?处划线单词,使句意不变。

3._____________

任务四:回答问题How many suggestions to avoid a cold are mentioned?

4._____________

任务五:请给短文拟一个适当的标题。

5._________

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