1.Too much work and too little rest may lead to loss of health
2.If you try to learn too many things at a time，you may get confused.
3.We have made numerous attempts to solve the problems，but so far our efforts have been unsuccessful.
4.State financial support given in the form of scholarships has stimulated the students to greater efforts.
5.The pressures of modern urban life have led to increased occurrences of alcoholism and drug abuse，mental illness，suicide，and divorce in our society
6.We note with satisfaction that all these activities have helped to promote mutual understanding and friendship between two peoples.
7.The population is leveling off(处于平衡状态) in the area as a result of family planning.
1.Were it left to me decide whether we should have a government without newspapers or newspapers without a government，I should not hesitate a moment to prefer the latter.
2.Without a degree and with no experience in teaching my chances of getting the job is silm.
3.With the introduction of foreign capital，we hope to step up the development of national economy.
4.Whether day or night，summer or winter，temperatures in the underground world remain equable and nearly constant
1.Jobs and work do much than most of us realize to provide happiness and contentment
2.We are much less conscious of the extent to which work provides the more crucial psychogical well-being that can make the difference between a full and empty life.
3.Work is more than a necessity for most human beings;it is the focus of their lives，the source of their identity and creativity.
4.Rather than a punishment or a burden，work is the opportunity to realize one’s potential.
5.Many Americans choose to travel by car rather than by any other means of transportation
6.Generally speaking，young people are less conservative than old people
7.The more scientists find out，the more questions they are unable to answer.
8.Social customs are different from what they used to be fifty years ago
9.Behaviour which may be considered quite strange in one culture is often looked upon as completely normal in another.
1.This is not necessarily the case，however.
2.Good intentions alone are not enough
3.But modern research has found that this is not so.
4.What does this mean as far as the project hope is concerned?
5.As far as I am concerned，some people are lucky while others seem marked by bad fortune.
6.What is point of being rich?
1.The purpose of a test is to show what you have learned about a subject
2. Believe it or not，her only purpose in saying all that is to help you help yourself
3.Competitive sports are recommended to young adults to prepare them for the competitive world of colleges and business
4.The ultimate object of scientific inquiry is to discover the laws of nature.
1.Take，for example，the emergency situations that we encountered almost every night
2.In the case of Lincoln，the story is true
3.Where there is will，there is a way. Your eventual success in the examinations is a case in point.
4.For my own part，everything is O.K. I have nothing to complain of
5.As an example of modern credulity，he cites the widespread belief that lucky numbers bring people good luck.
6.An illustration may make the point clear.
7.Every side of our lives is affected by our jobs such as where we live，what we eat and the company we keep
1.We hold these truths to be self-evident that all men are created equal
2.A considerable amount of research shows that people tend to become bored when faced with a situation in which they must do the same thing day in and day out
3.We are positive that our country’s entry into WTO will benefit the development of national economy
4.we have to learn to cooperate with others and many of our own ideas have to be brushed aside for the good of the whole.
5.we have to come to the conclusion，based on the above-mentioned examples，that there is something in saying that well begun，half done.
6.Studies show that most people believe that smoking is harmful to your health.
7.The successful manager of the opinion that to gain as much as possible from your subordinates you should treat them as your equals.
1.The government should take effective measures to cope with the current problems
2.Further efforts should be made to decrease the cost of production
3.The local government has set up a number of colleges and technical schools to meet the needs of the rapidly expanding economy in the region.
4.The school authorities have done much in the way of improving working and living conditions for the teachers.
5.Ways must be found to assure our children a decent start in life.
6.In order to stabilize the economy，the government must work hard to lower the rate of inflation
7.A great deal has been done to protect the children from the harmful influence of bad books.
1.You should take advantage of this opportunity and try to make a good impression on them
2.Greater efforts are needed before we can attain our goal of economic reform
3.A country should protect its resources by fighting against waste
4.If we concentrate our efforts on improving quality，our products will certainly be more competitive on the world market.