Preparacion TOEFL page 402

Often a team of engineers is ________.

________ in the world export diamonds.

A vacuum will neither conduct heat nor ________.

To relieve pain caused by severe burns, prevent infection, and treat for shock, ________.

All cereal grains ________ grow on the prairies and plains of the United States.

Besides rain, ________ is seldom pure.

Burrowing animals provide paths for water in soil, and so do the roots of plants ________.

________ a busy city, Pompeii was virtually destroyed by the eruption of Mount Vesuvius in 79 A.D.

In his autobiography, The Education of Henry Adams, Adams attempted to show that his generation ________.

The FDA was set up in 1940 ________ that maintain standards for the sale of food and drugs.

Green and magenta are complementary colors located opposite each other on the color wheel, ________.

Doublestars orbit ________.

John F. Kennedy was the youngest president of the United States and ________ to be assassinated.

Oscillatona, one of the few plants that can move about, ________ a wavy, gliding motion.

________ a teacher in New England, Webster wrote the Dictionary of the American Language.

Find the wrong part based in English grammar: The bridge at Niagara Falls spans the longer unguarded border in the history of the world symbolizing the peace and goodwill that exist between Canada and the United States.

Find the wrong part based in English grammar: Nitrogen must be combine with another element such as hydrogen or oxygen to be useful in agriculture or industry.

Find the wrong part based in English grammar: In ancient times and throughout the Middel Ages, many people believed that the earth is motionless.

Find the wrong part based in English grammar: Anyone reproducing copyrighted works without permission of the holders of the copyrights are breaking the law.

Find the wrong part based in English grammar: Supersonic transport such the Concorde will probably be widely accepted as soon as problems of noise and atmospheric pollution are resolved

Find the wrong part based in English grammar: It is generally believed that Thomas Jefferson was the one who had researched and wrote the Declarate of Independence during the months prior to its signing in July 1776.

Find the wrong part based in English grammar: Because not food is as nutritius for a baby as its mother's milk, many women are returning to the practice of breast feeding.

Find the wrong part based in English grammar: In the sixteenth century, Francois Vieta, a French mathematician, used the vowels a,e, i, o, y, to represent a unknown number.

Find the wrong part based in English grammar: Increasing involvement in agriculture by large corporations has resulted in what is known as agribusiness--that is, agriculture with business techniques, including heavy capitalization, specialization of production, and to control all stages of the operation.

Find the wrong part based in English grammar: Civil engineers had better planning to use steel supports in concrete structures built on unstable geophysical sites.

Find the wrong part based in English grammar: Aristotle systematically set out the various forms of the syllogism that has remained an important reference for logic.

Find the wrong part based in English grammar: If the oxygen supply in the atmosphere was not replenished by plants, it would soon be exhausted.

Find the wrong part based in English grammar: With his father's guidance, Mozart begun playing the clavier at the age of three and composing at the age of five.

Find the wrong part based in English grammar: The practical and legal implications of euthanasia, the practice of causing the death of a person suffering from an incurable disease, are so controversial as it is illegal in most countries.

Find the wrong part based in English grammar: Programs such as Head Start were developed to prepare children from deprived situations to enter school without to experience unusual difficulties.

Find the wrong part based in English grammar: Since lightning was probably significant in the formation of life, understanding it might help us to understanding life itself.

Find the wrong part based in English grammar: Starfishes and sea urchins, members of the echinoderms or spiny skinned animals, are particularly interested because of their unusual structures.

Find the wrong part based in English grammar: Almost poetry is more enjoyable when it is read aloud.

Find the wrong part based in English grammar: It is essential that cancer is diagnosed and treated as early as possible in order to assure a succesful cure.

Find the wrong part based in English grammar: Vasco da Gama, accompñanied by a large crew and a fleet of twenty ships, were trying to establish Portuguese domination in Africa and India during the sixteenth century.

Find the wrong part based in English grammar: Gold, silver, and copper coins are often alloyed with harder metals to make them hard as enough to withstand wear.

Find the wrong part based in English grammar: A vine climbs from one tree to another, continuing to grow and support itself even when the original supporting tree is not longer live.

Find the wrong part based in English grammar: After Dr. Werner Arber discovered restriction enzymes, Drs. Daniel Nathan, Hamilton Smith, and him were awarded the Nobel prize for their research in that field.

Find the wrong part based in English grammar: Although the Indians and the Eskimo had lived for centuries in Canada and the United States, when the European settlers came in the seventeenth century, the newcomers began a systematic effort to push them further into the wilderness and to take the land from their.

Find the wrong part based in English grammar: Sometime ants keep smaller insects that give off honeydew, milking them regularly and even building barns to shelter them.