题目内容：

    The Center for Humane Technology is made up of people who created many popular apps(软件)for big tech companies like Google, Facebook and Twitter. 1.

The center has started a movement called the Truth About Tech. Its purpose is to teach students, parents and teachers about the dangers of spending too much time on smart phones and computers.

According to studies on kids and technology, more than 95 per cent of primary school children spend time every day using a computer, or smart phone. About 78 per cent of teenagers check their phones every hour. 2. They are afraid that they may miss an important call or message during night.

3. For example, spending too much time online can cause people to put on weight and also influence how they feel. Many people become worried or nervous because they feel they aren’t having as much fun as their friends are. 4. They may also find it harder to make friends in real life.

5. They say that when big tech companies are designing tech tools for kids, they should think about what they would want for their own children.

A.These people are worth our respect.

B.Now they are telling kids to put their phones away.

C.Most students are forbidden to use a phone in class.

D.And more than half of them sleep with their phones.

E.Students may have a harder time paying attention in school.

F.Using phones or computers too much can cause some health problems.

G.The center also wants governments and tech companies to take steps to protect children.