Urban consumers have formed co-operatives to provide themselves with necessities such groceries, Household apply, and gasoline at a lower cost.

Mosquitoes are such fast breeders that it is almost impossible to control them either by draining ar where they breed or to spary them with pesticides.

Although there are new drugs the market, deaths from malaria are being increasing some parts of the world

Bronze, after being heated by strong flame, will change color, especia when exposure to hydrogen

Choose the letter A, B, C or D to complete the sentences. " _____ more help, I could call my neighbour."

Although pples do not grow during cold season, apple trees must have a such season in order to flourish

There are ifferences and similarities between Vietnamese American culture.

Choose the letter A, B, C or D to complete the sentences. " If you don't keep silent, you ________wake the baby up."

In the 1800’s botanist Asa Gray worked to desc and classifying the plants found North America.

The pioneers raised com as their chief crop because they kept well in season and could be used in many ways.

Many scientists contributed to the development of television, whether no one can be to have invented it.

Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of primary stress in each of the following questions.

When she retires September 1989, tennis champion Christine Evert was the most famous woman athlete in the United States.

Choose the letter A, B, C or D to complete the sentences. "If I were offered that chance, I think I ________ it."

Marie Curie, a famous Polish physician, won the Nobel Prize when she discoveredadioactive metals Radium and Polonium

I haven’t decided yet about either to buy a new car or second-hand one

Price of homes are as high in urban areas that most young people cannot afford to buy them.

Million of people lost their jobs in the 90’s. This, in turn, caused social dissatisfaction with the politic leaders who had promised jo and prosperity

The police officer lectured the children for ten minutes about the dangers to throw ston, but then et them off with a warning.

Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. The Imperial Citadel of Thang Long was first built during the Ly Dynasty and then expanded by subsequent dynasties.

The signi of the peace treaty was an event of major importance.