Ocean currents that help transfer heat from the equator to the poles, thereby creating a more balanced global environment.

He has hardly never given a more impressive performance than this.

For many years, scientists studying the effects that the sun has on human skin.

AIDS can be transmitted by practicing unsafe sex and receive tainted blood from one who is already infected.

Most presidential candidates have their names print on the ballot in the New Hampshire primary election because it is customarily the first one in the nation, and winning it can give a good chance to be nominated by their parties.

The government raises money to operate by tax cigarettes, liquor, gasoline, tires, and telephone calls

About 200 million years before , all the continents were part of one vast land mass called Pangaea.

The better you are at English, more chances you have to get a job at international organizations.

The machinery we sell is assembling in this country, but most of the parts come from abroad.

The lecture was _______ interesting and instructive.

Mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase:  
Faraday made the first__________motor in 1821, a device that used electricity to produce movement.

After the police had tried unsuccessfully to determine to who the car belonged, they towed it into the station.

In spite of his abilities, Peter has been ______ overlooked for promotion.

I have gone to Copenhagen three times this year, I still want to spend my holiday there

When actively hunting, a dolphin sends out transmitting about five signals every second

From now on, we’re going to study really hardly and make sure we will pass the exams.

A mainframe computer is large and is usually used to operate a network of another computers.

Galaxies are composed of millions of individual stars_______ are so far away that they appear as single pints of light.

In a medical study of nearly 5.000 adults, half of them were given one aspirin a day and the other half given a placebo, it was found that those taking Aspirin suffered 38 percent fewer heart attacks than those who weren’t 

The rock formations in the Valley of Fire in Nevada has been worn into many strange shapes by the action of wind and water.

I am going shopping for food this evening ________ I do not have to go at the weekend.