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- The bridge at Niagara Falls spans the longer unguarded border in the history of the world, symbolizing the peace
A B
and goodwill that exist between Canada and the United States.
C D
- Nitrogen must be combine with another element such as hydrogen or oxygen to be useful in agriculture or industry.
A B C D
- In ancient times and throughout the Middle Ages, many people believed that the earth is motionless.
A B C D
- Anyone reproducing copyrighted works without permission of the holders of the copyright are breaking the law.
A B C D
- Supersonic transport such the Concorde will probably be widely accepted as soon as problems of noise and
A B C
atmospheric pollution are resolved.
D
- It is generally believed that Thomas Jefferson was the one who had researched and wrote the Declaration of
A B
Independence during the months prior to its signing in July 1776.
C D
- Because not food is as nutritious for a baby as its mother’s milk, many women are returning to the practice of
A B C D
breast feeding.
- In the sixteenth century, Francis Vita, a French mathematician, used the vowels a, e, I, o, u, to represent a
A B C D
unknown number.
- Increasing involvement in agriculture by large corporations has resulted in what is known as agribusiness--that is,
A B C
agriculture with business techniques, including heavy capitalization, specialization of production, and to control all
D
stages of the operation.
- Civil engineers had better planning to use steel supports in concrete structures built on unstable geophysical sites.
A B C D
- Aristotle systematically set out the various forms of the syllogism that has remained an important reference for logic. A B C D
- If the oxygen supply in the atmosphere was not replenished by plants, it would soon be exhausted.
A B C D
- With his fathers guidance, Mozart begun playing the clavier at the age of three and composing at the age of five.
A B C D
- The practical and legal implications of euthanasia, the practice of causing the death of a person suffering from an
A
incurable disease, are so controversial as it is illegal in most countries.
B C D
- Programs such as Head Start were developed to prepare children from deprived situations to enter school without
A B C D
to experience unusual difficulties.
- Since lightning was probably significant in the formation of life, understanding it might help us to understanding life
A B C
itself.
D
- Starfishes and sea urchins, members of the echinoderms or spiny skinned animals, are particularly interested
A B
because of their unusual structures.
C D
- Almost poetry is more enjoyable when it is read aloud.
A B C D
- It is essential that cancer is diagnosed and treated as early as possible in order to assure a successful cure.
A B C D
- Masco DA Gamma, accompanied by a large crew and a fleet of twenty ships, were trying to establish Portuguese
A B C
domination in Africa and India during the sixteenth century.
D
- Gold, silver, and copper coins are often alloyed with harder metals to make them hard as enough to withstand
A B C D
wear.
- A vine climbs from one tree to another, continuing to grow and support itself even when the original supporting
A B C
tree is not longer alive.
D
- After Dr. Werner Arbor discovered restriction enzymes, Drs. Daniel Anthem, Hamilton Smith, and him were
A B C
awarded the Nobel prize for their research in that field.
D
- Although the Indians and the Eskimo had lived for centuries in Canada and the United States, when the European
A
settlers came in the seventeenth century, the newcomers began a systematic effort to push them further into the
B C
wilderness and to take the land from their.
D
- Sometime ants keep smaller insects that give off honeydew, milking them regularly and even building barns to
A B C D
shelter them.
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