考博英語作文經典40句式

1. It must be pointed out that it is one of our basic State policies to control pulation growth while raising the quality of the population.
　　2. It is (has been) estimated that the world's population could reach 6 billion by the 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 can overcome.
　　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. It's hard to say whether the plan is practicable.
　　10. There is no doubt that you will be helped by others if you have any difficulties.
　　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.