I recommend that you talk to your friend about his behavior. It is not unusual for teenagers of your generation to     1     computer games and the online world. But spending too much time online is unhealthy and makes it very difficult to focus on other things in life. Some students even     2     the Internet and cannot     3     school and family life.

【推荐3】However, the     1     of scientists towards this rise are completely different. On the one hand, Dr Foster thinks that any     2     in which the temperature increases     3     5 degrees would lead to a catastrophe. She says, “We can’t predict the climate well enough to know     4     to expect, but it could be very serious.” Others who agree with her think there may be     5     rise of several metres in the sea level, or predict severe storms, floods, droughts, famines, the     6     of diseases and the disappearances of     7    . On the other hand, there are those, like George Hambley, who are     8     to this view and believe that we should not worry about high levels of carbon dioxide in the air. They predict that any warming will be mild with few bad environmental       9    . In fact, Hambley states, “More carbon dioxide is actually a positive thing. It will make plants grow quicker; crops will produce more; it will     10     a greater range of animals, all of which will make life for human beings better.”

Do you help your parents with housework at home? Can you cook for your family?

To stress (强调) the importance of hard-working spirit education among students, the Chinese government recently calls for students to respect labor work. Students should learn basic life     1     and develop good working habits through such education.

The government has been trying to stress the importance of hard-working spirit education. But this has been overlooked (忽视) in recent years. Many teens do not value the importance of working hard and are not interested    2     doing so.

According to a study of nearly 3000 students that was done in March, only 22% of primary and middle school students help with everyday housework at home. Schools and families play an    3     role in teaching students about the value of working hard.

Primary and middle schools should    4     students with hard-working spirit classes every week. School can also hold activities to give students real-world work experience. For example, schools can teach children    5     to plant trees on Tree-planting day.

At the same time, as children’s first teachers,    6     should also encourage children to know how to do housework at home. Students should master one    7     two life skills every year. These skills can include cooking,     8     their own clothes and tidying their rooms.