The friendship grounded on common interest does not break up easily.
Children must learn to distinguish between violence and bravery in computer games.
There spring up so many new things every day in the world that it is no longer sensible to expect a person to know everything.
Laws do not regulate such things as betrayal to friends; that is why there is what we call "the court of morality".
Today’s culture is described as “fast-food culture”. Whatever they are doing, people just pursue the greatest satisfaction within the shortest time.
As the saying goes, there is no such thing as a free lunch. If you want something, go and work for it.
In either friendship or love,you should never expect to receive the maximum while you give the minimum.
I built all my hopes on his promises,only to find that he was not a man of sincerity at all.
We took mother to all the best hospitals we could find, but all our efforts were in vain;she failed to survive the disease.
Valentine’s Day is an annual holiday celebrated on February 14 ,a perfect day to express love to the object of your affection.
In the information era, communications with far-away friends via e-mail can be almost simultaneous.
Love takes time ，for it is not forged until you have grown used to the other’s company and learned to appreciate the other.
For thousands of years philosophers have taken pains to explain the meaning of happiness from their own points of view.
When I first came to college，I suddenly found myself left with everything to deal with by myself.It was not until then did I realize that living with my parents was truly a happy experience.
You should not always make comparison with others；otherwise， you may be trapped in depression，for there are always others who are better than you.
Today people are much better off and enjoy more leisure.Strangely enough，they find life boring.
Life，in effect，is long but short of excitement. You are sure to suffer from inevitable disappointment if you expect everyday life to be as exciting as a drama.
A life that is too easy may also be destructive because it offers no opportunity for one to learn how to deal with failures.That in part explains the high rates of suicide among young people.
They took their sick father on a long journey to Beijing in the hope of finding a cure for his heart disease.
The campaign of Knowing More About AIDS needs to be carried on,and for this stage the emphasis is put on the way how the disease is contracted.
If power is properly applied，the lives of the common people will be rendered happy.If not,their daily life will be placed under threat.
Could a government justifiably use nuclear weapons to guard against terrorist attacks？
Owing to ignorance of the disease，many people still believe that HIV victims deserve what they suffer.
The newly issued report on improving the medical system in rural areas leads us to believe that the era is to be brought to an end when such areas are always short of doctors and medicines.
Cultivating the right emotions is indispensable because it lays the foundations for the success of one’s future work and studies.
West China is crying out for talented people for its development .To this end，the government has made favorable policies，calling for more college graduates to go and work there.
How can you turn your back on me when I am in such difficulty? We have gone through trials and tribulations for practically half a century.
Web addicts spend so much time on the Internet that they are unable to draw a distinction between the virtual world and the real world.
City residents often have the illusion that rural life is always leisurely and comfortable.In fact,that may not be the case.
Distance learning is a global trend.With its quick growth，people are given an equally convenient access to educational resources，no matter where they are.
As a proof of our hospitality，we Chinese will repeatedly ask our guests to help themselves to the dishes on the table.
It is by means of listening to what people say and observing how they behave that we’ve strengthened our own capacity to understand society.
One’s sense of safety comes from familiarity with the environment；so people have the tendency to resist or avoid new situations.
We tend to show prejudice against or even hostility towards people from a certain region，which can be attributed to the fact that we are unfamiliar with them.
I believe it is polite to decline directly，while my parents seldom say“No”so as not to embarrass others.
There are two means to build up knowledge：to get it personally or by second-hand experience.Reading，which opens up a new world of different cultures for us,belongs to second-hand experience.
Against the white background， the Olympic flag features fi
ve interlinked colour circles，representing the five continents.
He narrowly missed the gold medal by 0.02 seconds.Those who had witnessed the race could not help giving a sign.
Long-distance race is a hard test on tolerance.The athletes shed not only sweat, but also tears,and even blood.
Having tripped over another athlete’s foot,he fell down on the track,but he soon rose to hie feet and limped（一瘸一拐） to the finish line.
The original version of the story goes like this,the assistant coach became famous overnight by leading his team to conquer（打败） Cuba.
Some sportsmen confessed that they had taken dope(兴奋剂) in the name of improving performance，and that their coaches showed no disagreement with such illegal acts.
Those who suppose they possess more privileges tend to have feelings of superiority.
High tariffs and an anti-dumping policy will undermine the competitive edge of the foreign products in the domestic market.
If all the departments can be well coordinated and all of us pull together for the common good, we are sure to succeed.
To be on guard against theft, the school has issued regulations specifying the duties of the door keepers.
Good manners are always appreciated. It follows that good manners will enhance your chances of making friends with other people.
Punctuation marks should not be taken lightly; sometimes the use of a wrong punctuation mark can literally change the meaning of a sentence.