In spite modern medical technology, diseases caused by viruses are still not curable

Gunpowder, in some ways the most effective of all explosive materials, were mixture of potassium nitrate, charcoal, and sulfur.

The examination will test your ability understand spoken English, to read non-technical language, and writing correctly.

The young are thought to be the future leaders of the country, and it is essential that they should understand their heritage full as possible.

New York City surpassed the order Atlantic seaports in partly because it developed best transportation links with interior of the country.

Because of the availability of trucks and easy access to modern highways, the locate of farms has become relatively unimportant with respect to distance from markets

Australian koalas are furry, gray animalthat live in trees and feed on leaves

Men and women in the Peace Coips work with people in developing countries to help them improving living conditions.

Some children, beforegoing school, go to kindergartens, officially are called nursery schools

Rattan, a relative of bamboo, is often used to make tables, chairs, and other furnitu.

After the team of geologists had drawn diagrams in their notebooks and wrote explanations of the formations which they had observed, they turned to camp-side to compare notes

If the airplane ticket wasn’t expensive, I could fly to Singapore for holidays

Tea did not become popular Europe until the mid 17th century when it has been first imported England and Holland.

Despite its smaller size, the Indian Ocean is as deep the Atlantic Ocean.

The food that Mark is cooking in kitchen is smelling delicious

It’s a lovely old house, I agree, but can we afford moderning it?

One reason birds have been so successful is because of their able to escape danger quickly

More 10,000 years ago, glaciers moved across the Minnesota region four time, leveling most of the land.

Petrography concerns primarily with the detailed description and classification of rocks, whereas petrology deals primarily with formation.

Nancy said that she went to supermarket before coming home.

The chemical _____________ from cars and factories make the air, water and soil dangerously dirty.