四级作文练习题和范文

　　it is high time we emphasized and encouraged honesty. we can take effective measures to restore it. for example, kids should be taught to tell truth, strict rules and regulations should be carried out to stop cheatings on exams and taxes, etc.

　　拥有私家车(Ownership of Private Cars)

　　as we can learn from the graph, the ownership of private cars varies from year to year. in the year of 1990, there are only two cars among 100 families, but in the year of 1995, it is 10, and it goes up dramatically to 30 in 2000. generally speaking, it involves an upward trend.

　　there are three reasons for the change. to begin with, people’s income has been improved, more and more families can afford cars; in addition to it, the price of cars has been brought down sharply; last but not the least, various measures to stimulate consumption taken by our government can’t be ignored. all these factors result in the rapid change in the ownership of private cars.

　　to sum up, with the further development of our economy, there is no doubt that more and more families will have their own cars.

　　粗心与细心(Careless and Careful)

　　careful and careless are as different as fire and water. but strangely, many scientists have both these qualities, that is, they are both careful and careless. newton, the well known english scientist, is such a person.

　　once newton invited a friend to dinner at home. when they were ready to eat, newton left to get a bottle of wine. but after his friend had waited for a long time, newton still didn't come back. finally his friend found newton in his lab.

　　the reason was that when newton was going to get the bottle of wine, he suddenly had a new idea for the experiment he was doing, so he completely forgot his friend and the dinner. there was another time when newton was leading a horse up a mountain holding the rein in his hand.

　　while he was walking, he kept thinking of problems he had met in his studies. when he got to the top of the mountain, he found that the rein was not in his hand and the horse was gone.

　　many scientists are careless about how they live. this is because they are too careful in their studies.