亚洲免费不卡_在线视频精品_国产尤物精品_久久久久网址_久久精品91_欧美va天堂在线_狠狠入ady亚洲精品_亚洲午夜精品福利_国产精品草草_午夜精品久久99蜜桃的功能介绍

1.14 Mobile phone cause social medical technical problems, what form of these problems? Is it will overweight advantages in future?

1.21 What can the arts tell us that science cannot?

2.18 Some people believe that air travel should be restricted because it causes serious pollution and uses up the world's resources. Agree or Disagree?

3.25 Long distance flights use more fuel than cars and may bring the pollution to the environment, so some people think use the cars and limit the use of plane, what extent do you agree or disagree?

4.8 In the last century, the first man to walk on the moon said: “It was a great step for mankind.” But in fact people think it has made little difference on most people's lives today. To what extent do you agree or disagree?

7.29 Earlier technological development brought to more benefits and changed the life of ordinary people than the recent technological developments ever will. to what extent, do you agree or disagree.

媒體

9.2 There are many advertisements directed at children, such as snacks, toys and other goods. Parents argue that children are under pressure. Advertisers claim that the advertisements provide useful information.