A) Mark Twain's Adventures of Huckleberry Finn was originally intended for an adult audience, but today it is widely read as a part of children's school curriculum in the United States.

B) Mark Twain's Adventures of Huckleberry Finn was originally intended for an adult audience; but today it is widely read as a part of children's school curriculum in the United States.

 

A) Contrary to popular belief, rattlesnakes rarely bite unless provoked or threatened, moreover if treated promptly, their bites are rarely fatal.

B) Contrary to popular belief, rattlesnakes rarely bite unless provoked or threatened; moreover if treated promptly, their bites are rarely fatal.

 

A) Because the Rosetta Stone presented the same text in all three ancient Egyptian scripts, it provided the key to the modern understanding of hieroglyphs.

B) Because the Rosetta Stone presented the same text in all three ancient Egyptian scripts; it provided the key to the modern understanding of hieroglyphs.

 

A) The Ottoman Empire contained nearly 100 provinces and numerous vassal states, some of them were later absorbed into the empire while others were granted various forms of autonomy.

B) The Ottoman Empire contained nearly 100 provinces and numerous vassal states; some of them were later absorbed into the empire while others were granted various forms of autonomy.

 

A) Best known as an artist and photographer, Carrie Mae Weems used her first camera for political purposes, taking advantage of her position as a union organizer to document the 1960s labor movement.

B) Best known as an artist and photographer, Carrie Mae Weems used her first camera for political purposes; taking advantage of her position as a union organizer to document the 1960s labor movement.

 

A) The artist believes that works of art should arise from personal concerns rather than institutional demands, therefore, he typically refuses to accept commissions.

B) The artist believes that works of art should arise from personal concerns rather than institutional demands; therefore, he typically refuses to accept commissions.

 

A) Although palaeontologists often find new dinosaur bones or footprints, the two types of fossils have not been found together until recently.

B) Although palaeontologists often find new dinosaur bones or footprints; the two types of fossils have not been found together until recently.

 

A) The most common goal of advertising is to drive consumer behavior toward a commercial offering, however, political advertising, which aims to convince voters to favor a particular candidate, occurs frequently as well.

B) The most common goal of advertising is to drive consumer behavior toward a commercial offering; however, political advertising, which aims to convince voters to favor a particular candidate, occurs frequently as well.

 

A) The sandhills of Nebraska form the largest sand dunes in North America, they spread for more than 20,000 square miles and cover more than a quarter of the state.

B) The sandhills of Nebraska form the largest sand dunes in North America; they spread for more than 20,000 square miles and cover more than a quarter of the state.

 

A) The opening of the Empire State building coincided with the start of the Great Depression in the United States, consequently, much of the building's office space remained empty for months.

B) The opening of the Empire State building coincided with the start of the Great Depression in the United States; consequently, much of the building's office space remained empty for months.

 

Researchers from the Erikson Institute have developed a program, it is designed to teach

math skills by focusing on concepts such as measurement and size.

 

Although doctors must increasingly depend on computers more frequently, they can also

use such devices to help patients in new and unforeseen ways.

 

Because they were considered the most noble of beasts, the lion was adopted as the

symbol of the city of Venice.

 

Twins are famous for inventing their own ways of communicating with one another.

Therefore, linguists are uncertain whether such kinds of expression are full developed

languages.

 

Umbriel, one of the moons of Uranus, appears to have been shaped primarily by collisions

with comets and is notable for it’s exceptional dark surface.

 

Before the establishment of a national postal system, the fastest form of long-distance

communication available to residents of Western states were the Pony Express.

 

No longer seen as idle scratches, some researchers are beginning to view ancient graffiti

as a window into a world that vanished thousands of years ago.

 

Humans and animals share similar abilities to create memories and learn from experience.

Only humans, however, have proven themselves capable of understanding that others can

have thoughts different from their own.

 

Science fiction writer, H.G. Wells, the author of more than 100 books accurately predicted

the invention of television, the rise of the Internet, and the creation of the hydrogen bomb.

 

The enthusiasm that Thomas Jefferson had displayed at the beginning of the Revolutionary

War began to diminish as he realized that the conflict will not be resolved in a matter of months.

 

According to marine biologist Gil Rosenthal, distance and motion often makes it difficult

for certain predators to perceive fine details on the bodies of their prey.

 

Chunks of ice and dust, which make their home in corners of the galaxy far beyond Pluto

sometimes become dislodged and enter the solar system as streaky comets.

 

Ammonia is a waste product that can be toxic to animals, however, plants, including

phytoplankton, prize ammonia as the most energy-efficient way to build new cells.

 

Still an obscure frontier outpost in 1830, Chicago had grown to two million residents by

the early twentieth century, and some predicted it would soon be the largest city in the

world.

 

Over the past century, the invention of newer and faster modes of transportation have

kept commuting times stable even as cities themselves have grown larger.

 

By converting his or her knowledge into a series of visual images, a person can develop

the ability to memorize large quantities of information in a very short time.

 

While some dinosaur fossils belong to either natural history museums and university laboratories, 

others are owned by private collectors.

 

Because the rooms of the attic were cluttered with old books, unused furniture, and

having an assortment of other items, they made an ideal hiding place during my childhood.

 

 

The most common movements we make while asleep are rapid-eye (1) movements when

we dream, our eyes move according to what we are dreaming about. (2) However, if we dream

we are watching a game of tennis, our eyes will move from left to right with each serve.

 

The most common movements we make while asleep are rapid-eye (1) movements when

we dream, our eyes move according to what we are dreaming about. (2) However, if we dream

we are watching a game of tennis, our eyes will move from left to right with each serve.

 

Which of the following would NOT be an acceptable alternative to the underlined portion?

Bees are active pollinators. They are credited with helping a variety of fruits, nuts and other

commercial crops flourish.

 

Many people believe that airplanes are a major source of air pollution, in reality they are

responsible for only a small percentage of harmful emissions.

 

As a result of rapid technological advances, the world that people inhabit today is very

different from that of a few thousand years ago.

 

Trees, which brighten streets and delight both children and adults, play a crucial role in

most city's infrastructures.

 

Roald Amundsen, who becomes the first person to reach both the North Pole and South

Poles, trained as a doctor before he decided to pursue a life at sea.

 

Restoration architects are creating block molds with 3-D printers, these have proven to be

faster and cheaper than any other method of block creation.

 

Thanks to breakthroughs in biochemistry, brain science and nanotechnology, scientists and

inventors have unleashed a promising new wave of technology that harness the body’s powerful

energy.

 

Because the use of digital recorders is now widespread, most of the manufacturers that

once produced other kinds of recording devices have chose to shift they’re focus elsewhere.

 

Skylab, a space station launched and (1) operated by NASA was the United States' first

space station. It orbited the Earth from 1973 to (2)1979, and included a workshop, a solar

observatory, and other systems.

 

Skylab, a space station launched and (1) operated by NASA was the United States' first

space station. It orbited the Earth from 1973 to (2)1979 and included a workshop, a solar

observatory, and other systems.