Some of us have to study their lessons more carefully if we expect to pass this examination.

Some conifers, that is, tree that have cones, are able to thrive on poor, thin soil.

The term Neanderthal man was used to describe widely dispersed populations that lived between 110,000 and 35,000 years ago.

Consequently the kit fox is an endangered species, wildlife experts in the California desert are using various methods to protect it.

Papyrus was used for to make not only paper but also sails, baskets, and clothing.

The corals can be divided into three groups, two of which is extinct.

A liter is one of the metric measurements, aren't they?

One can only live without water for about ten days because almost 60 percent of their body is water.

Pollution, which affects nearly all countries, increase the risk of disease as well as harming the environment.

Did they tell you that has in our town an excellent beach less than a mile from the campus?

Overseas telephone service has been expanding fastly since its inauguration in 1927 when a radio circuit was established beteen New York and London

When the temperature is risen to the burning point without a source of escape for the heat, spontaneous combustion occurs.

Mary buyed her computer from a reputable dealer but she later found out she had been cheated.

Computer, who keep constant track of inventories and handle all billing, have become the backbone of the large business firms.

There is some scissors in the desk drawer in the bedroom if you need them.

Gettysburg has been preserve as a national historic monument because it was the site of a major Civil War battle in which many lives were lost.

The leader emphasized the need for justice and equality between his people.

That once a talented child actress, Shirley Temple Black has established herself as a career diplomat, serving both as a representative in the United Nations and as an ambassador abroad.

Their silly, whiny conversation on a child level was meant to create tension and heighten Nancy's fears and anxiety.

A five-thousand-dollars reward was offered for the capture of the escaped criminals.

Historically there has been only two major factions in the Republican Party - the liberals and the conservatives.

Much Civil War battles were fought in Virginia than in other state.

Not one in one hundred children exposed to the disease are likely to develop symptoms of it.

Industrialist Henry Ford introduced assembly-line techniques into the manufacturer of motor vehicles.

The ozone layer must be protected because it shields the Earth from excessive ultraviolet radiations. 

Despite of rain or snow there are always more than fifty thousand fans at the OSU football games.

John Dewey thought that children will learn better through participating in experiences rather than through listening to lecture.

Before he starting work on the excavation the archaeologist decided to study the maps in the local museum first.

in the last 10 years, Mexican government has reduced the number of its state-owned companies to about half.

Clare Boothe Luce wrote and productioned her first play while she was in high school.