If there were no electric power,our modern world would be in trouble.For one thing all the wheels would stop because the motors that power the machines would fail.For another,many,if not all,of our industries would cease production.All the world transport system,in addition,would be felt on the world`s communication systems.Thus our modern world would be impossible without electricity.
Therefore,we should make better use of electric power. On the other hand,we should educate people to economize using electricity and not to waste the energy resources with no thought for the future.At the same time we must do our best to exploit more electric resources to meet the requirements of the human beings and to avoid energy crisis in the future.
3、提纲式作文：出国留学on overseas study
1)、现在每年有学生出国留学
2)、有人觉得留学是个人发展的最好选择，而有人认为在国内也有好的发展。
3)、你的看法
［参考范文］on overseas study
Recent years, more and more Chinese people have chosen to study abroad. To this tendency, some people think it is not good, as most of the overseas learners do not come back, whereas I hold a different opinion.
In my opinion, it is a good thing that more Chinese people go abroad. There are three reasons. First, the overseas learners can improve their ability through the study. They can grasp advanced technologies and their language ability can be improved as well. Second, with the rapid development of China, more and more overseas learners will choose come back, using their abundant knowledge studied abroad to serve for the motherland. The third, the government and most do