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1 / 40

Since the early 1950’s,         throughout the world has more than doubled.

2 / 40

Even though he did not attend school until he was twelve,

Dr. Samuel C.C. Ting was ______________ the Nobel Prize in Physics in 1976.

3 / 40

Gas particles move__________when the gas is hot than when it is cold.

4 / 40

The different colors of_________ the different temperatures of the stars' surface.

5 / 40

As a country develops from an agricultural to an industrial

economy, the attitudes, values, structures, and functions of the family_________ .

6 / 40

Only a few sounds produced by insects are heard by humans _________ most of the sounds are pitched either too low or too high.

7 / 40

The ordinary chair________ in countless shapes, sizes, styles, and materials.

8 / 40

For 125 years after____________initial use at Harvard in 1642, the Bachelor of Arts degree was the only degree awarded by colleges in the United States.

9 / 40

Since the Sun illuminates half the surface of the Moon, only half the surface _______ can be seen from the Earth.

10 / 40

The novels of Constance Fenimore Woolson,__________, have special interest for their regional  settings.

11 / 40

__________Oklahoma is important as a farming state, it is even more important for its rich oil deposits.

12 / 40

No animal seems________on a diet of peat moss.

13 / 40

The upper part in a harmonic arrangement ______by mixed voices is usually written for a soprano voice.

14 / 40

The first school________the state of Washington was opened at old Fort Vancouver in 1832.

15 / 40

Radio,______, developed from the theories and experiments of many people.

16 / 40

While attempting to fly hers plane around the world in 1937, Amelia Earhart  mysteriously disappeared.


17 / 40

Richard Wright’s Uncle Tom’s Children, a collection of short stories, were critical success when it appeared in 1938.


18 / 40

The principle on which the boat called a hydrofoil is designed is identically to that demonstrated by an airplane wing moving through air.

19 / 40

Migrating butterflies can travel long distant   over water.

20 / 40

During a early period in the settlement of the western United States, pioneers claimed parts of the wilderness by marking trees to establish a boundary.

21 / 40

All digital computers use binary, or two-valued, digits instead than decimal, or  ten-valued, digits to represent and store data.

22 / 40

An ambassador serves as a nation’s highest-ranking diplomacy in another country

23 / 40

Early adolescence is a developmental phase consisting of rapid changes in behavior, psychological, and hormones.

24 / 40

Knowledge from the frontiers of research genetic will increasingly pose difficult  problems for policy makers and for society in general.



25 / 40

Pictures called glass mosaics are made by setting small pieces of colors glass into fresh plaster.

26 / 40

Approximately every nineteen month Venus and the Sun reach their greatest angular separation in the solar system.

27 / 40

Anthropologists recently have found evidence that, centuries ago, Inuits used to entering their subterranean homes through tunnels, which helped keep the cold out and the heat in.


28 / 40

The tree porcupine is found in wooded areas throughout most from  North America.

29 / 40

Todate, only a small percentage of all glass manufactured in the United States is recycled, but markets for recycled glass that are growing steadily

30 / 40

The oceans are the major source of the atmospheric moisture that is obtained through evaporator.

31 / 40

Only those insects with high developed, multilensed eyes have good color vision

32 / 40

The Earth’s atmosphere functions much like a giant greenhouse, admitting sunlight between outer space but preventing heat from escaping

33 / 40

The almond tree which produces the oldest species of nut and is the most widely grown of all nut trees

34 / 40

Fran Tannenbaum, a paleontology student doing summer fieldwork, found a completely seventy-five-million-year-old fossil egg near Chateau, Montana

35 / 40

Fencing, originally developed as a sport in fourteenth century, was included in the first modern Olympic Games of 1896.

36 / 40

Depth within ancient tombs, 3,000-year-old peanuts have been found alongside mummies

37 / 40

Art Nouveau developed in the 1890’s when artists did a conscious effort to break with what they regarded as worn-out formulas of the past.

38 / 40

The most widely cultivated all of fruit trees, the apple is second only to the grape in its importance as a temperate-zone fruit.


39 / 40

Pawnbroking, or making loans to customers who pledge personal or household goods as security, is one of the oldest trade known.

40 / 40

Of 1901 to 1914, acclaimed actor Douglas Fairbanks appeared on stage in a series of light comedies.

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