The threat of being dismissed do not worry me any more because I have started my own business.

Many teachers have devoted their lives to teaching therefore teaching is not a well-paid job.

Air pollution, together with littering, are causing many problems in our large, industrial cities today.

Dresses, skirts, shoes and children’s clothing are advertised at great reduced prices this week

Today the number of people enjoying winter sports are almost double that of twenty years ago.

A motion picture provides us with both entertainment but also knowledge.

The U S, that is one of the most powerful countries, decided to declare a war to Iraq.

If I had enough money, I would have travelled around the world.

His health gets good and better because he does gymnastics regularly. 

Minh Hanh, who is one of the most famous fashion designers in Vietnam, are preparing for a new show.

Everyday in summer, but especially at the weekends, all kinds of vehicles bring crowds of people to enjoy the various attraction.

Bells told people of happy events, such as weddings and born or, sometimes had to announce unpleasant events such as a death

Would you mind showing me how working the lift?

Anna Robertson Moses, who was also known as Grand Moses, is considered one of the greatest female artist of US. Art.

If I could speak two languages last years, I would have got a good job.

We had better to review this lesson carefully because we will have some questions on it.

These snakes will not cause you any serious harm. They are harmful.

Women nowadays have more free to participate in social activities.

Mary and her sister   have just bought two new winters coats at the clearance sale. 

The Commitments of Traders Report is released by the Commodity Futures Trading Commission on eleventh day of each month. 

Mercury and alcohol are widely used in thermometers because their volume increases uniform with temperature. 

By the turn of the century, most of the inventions that were to bring in all the comforts of modern living has already been thought of. 

Doctors believe there is better in this modern world of ours to try to prevent illnesses than to rely on medicines to cure them. 

The guide told the tourists that it was a good restaurant specializing in seafood just round the corner from the museum. 

Parks which are found in downtown areas where office workers and store employees can enjoy their lunch hours sitting on the green grass in clean, fresh air. 

The freshman failed to follow the advice of her senior that he studied hard and not go out too much. 

The office manager insists that his staff use all of their vacation time, but he hardly never takes a vacation himself.

Not one in one hundred children exposed to the disease are likely to develop symptoms of it.

The notion that students are not sufficiently involved in their education is one reason for the recently surge of support for undergraduate research

The eastern bluebird is considered the most attractive bird native of North America by many bird-watchers.

It is difficult to write rules that tell exactly when we should apologize , and it is not difficult to learn how to do it 

The clerks who are happy to wait for their customer will get promoted soon.

Practicing his speaking English everyday, his hope was to get a good job in a foreign company.

The big problem was that we really did not understand what was happened

A beaver uses its strong front_teeth to cut down trees and peel_off its bark.

There was a gradual raise in the number of literate males and females in the lowlands.

The Red Cross organizes and leads relief assistance missions after natural disasters such as floods, tsunamis, earthquakes, and homelessness.

More Asian students than American counterparts agree that a husband is obliged tell his wife where he has been if he comes home late.

Today, although their status varies from country to country, women in most parts of the world have gained  significance legal rights.

On the wedding day, the groom's family and relatives go to the bride’s house bring gifts wrapped in red papers. 

The developing of the submarine was hindered by the lack of a power source that could propel an underwater vessel

Species like snakes, lizards, coyotes, squirrels, and jack rabbits seems to exist quite happily in the desert. 

Ours brains are incredibly agile machines, and it's hard to think of anything they do more efficient than recognize face. 

The states school system in England can be divided into two levels of educated: primary and secondary

Each of the nurses report to the operating room when his or her name is called. 

Biết rằng tốc độ của ánh sáng trong chân không là 300000km/s. Hỏi mỗi năm (365 ngày) ánh sáng đi được trong chân không là bao nhiêu?Viết dưới dạng kí hiệu khoa học.

Vũ trụ có tuổi thọ khoảng 15 tỉ năm. Hỏi vũ trị có bao nhiêu ngày tuổi (một năm có 365,5 ngày) viết dưới dang khoa học?

Cho số x  = $\frac{2}{7}$. Cho các giá trị gần đúng của  là 0,28; 0,29; 0,286. Giá trị gần đúng tốt nhất là: 

Cho số x = $\frac{2}{7}$. Cho các giá trị gần đúng của  là 0,28; 0,29; 0,286. Sai số tuyệt đối trong  các trường hợp này lần lượt là: 

Đo chiều dài của một cây cầu, ta được số đo a = 192,55m, với sai số tương đối không vượt quá 0,2%. Giá trị gần đúng của chiều dài cây cầu là: