就拿汽車為例。汽車不僅污染城市空氣，而且使城市擁擠不堪。此外，汽車造成許多交通事故。汽車所產生的噪音使居住在街道兩旁的居民日夜不得安寧。les’s take cars for example. they not only pollute the air in cities but make themcrowed. furthermore they cause a lot of traffic accidents. … they are responsiblefor a lot of traffic accidents. the noise made by cars disturbs the residents living onboth sides of streets all day and night.7.it is generally believed that …accepted （引證觀點）thoughtheld普遍認為， 在已開發國家人口增長的主要原因與其說是出生率的上升，還不如說是由於醫療保健的改善的使死亡率下降了。it is generally believed thought that the chief reason for the increase in populationin developed coutries is not so much the rise in birth rates as the decline in death ratesas a result of the improvement in medical care.8. …causes produces brings about leads to results in …（因果關係）毫無疑問，需求的增長導致了價格的上漲。there is no doubt that the increase in demand causesresults in/leads to the rise inprices.務必熟記的考研英語作文重點句式1. it must be pointed out that it is one of our basic state policies to control populationgrowth while raising the quality of the population. 2. it is has been estimated that the worlds population could reach 6 billion bythe end of the century.
3. it must be kept in mind that there is no secret of success but hard work. 4. it can be seen from this that there is no difficulty in the world we canovercome. 5. as is known man is the product of labour. 6. it is a common saying that man who has a settled purpose will surely succeed. 7. it is clear that the enemy has no desire for peace. 8. it is hard to imagine how edison managed to work twenty hours each day. 9. its hard to say whether the plan is practicable. 10. there is no doubt that you will be helped by others if you have anydifficulties. 11. it seems certain that they have made a series of experiments.
12. it is said that bats have been using radar for millions of years. 13. to tell the truth many mistakes we made could have been avoided. 14. as we know it was not until recently that the problem was solved. 15. it must be admitted that you havent done what you promised to do. 16. in my opinion this computer is different from that one you saw. 17. it is certain that we have a long way to go. 18. all this shows that nothing can prevent us from reaching our aims. 19. as far as we know it took him more than a year to write the book. 20. it has been proved that every substance no matter what it is is made up ofatoms. 21. it has been decided that we are going to build a railway whose base must becompleted within this year. 22. it is obvious evident that the success of the innovation depends on ourconcerted efforts. 23. to be frank whether you like it or not you have no other choice. 24. it is natural that one may have trouble expressing complicated ideas in simpleenglish.