with him.

　　I was highly awarded for my efforts. On the one hand, I took part in an activity with my child. And I didn't have to do all the work by pushing or carrying him. It was an activity he loved and he told me about every path and every move excitedly. On the other hand, we developed a closer bond.

In my opinion, it's important for kids to stay active. And parents' encouragement is very important for them to stay active. But words of encouragement are not enough. It's better if parents can do physical activities together with their kids.

4. Why did the author buy a bike for his son?

A. To involve him in more activities. B. To show off around the community.

C. To free herself from housework. D. To develop friendship between them.

5. The second paragraph focuses on .

A. the importance of physical activities B. the kid's love of riding his bike

C. the author's amazement D. the activities of the biking club

6. What did the author intend to show by mentioning the obstacles?

A. Her son is taller than average boys. B. The club activities are too dangerous.

C. Her son had great will power. D. Life is filled with different obstacles.

7. What is the main purpose of the text?

A. To promote a mountain bike club and its activities.

B. To share a moving life story between family members.

C. To convince readers of the value of encouraging words.

D. To persuade readers to do physical activities with their kids.

　　Researchers found that like-minded people will be drawn together but keep their distance from those who do not stick to their beliefs. It suggests that strangers hoping to hit it off would do better to play to their similarities rather than trying to impress the other person with attributes which make them unique.

To find out how important similarity was to forming relationships, researchers from Wellesly and the University of Kansas approached more than 1,500 random pairs, including romantic couples, friends and acquaintances, and asked them to complete a survey about their values, prejudices, attitudes and personality