Đề ngữ pháp Toefl itp 2000-08

1.The gray scale, a progressive series of shades ranging from black to white, is used in computer graphics _____ detail to graphical images.

2.By _____ excluding competition from an industry, governments have often created public service monopolies.

3._____ skeleton of an insect is on the outside of its body.

4.Lenses, _____, are used to correct imperfection in eyesight.

5.In eighteenth-century North American, printed engravings provided____ rococo style.

6.In the Arctic tundra, ice fog may form under clear skies in winter, ____ coastal fogs or low stratus clouds are common in summer.

7.On attaining maximum size, ___ by drawing itself out and dividing into two daughter amoebas, each receiving identical nuclear materials.

8.For the advertiser, one of the greatest appeals of radio is ____ an audience all day long.

9.Charles Schulz’s comic strip, “Peanuts,” features children who make ____ about life.

10.One of the major rivers of the western United States, ____ flows for some 1,5000 miles from Colorado to northwestern Mexico.

11.In art, the tendency of gouache colors to lighten on drying makes ___ a wide range of pearly or paste-like effects.

12.Isabel Bishop was one of many American artists ___ by the government during the Depression years on various federal art projects.

13.Outbreaks of diseases in trees commonly occur _____ stressed because of drought or other environmental factors.

14.To break thick ice, an icebreaker boat moves fast enough to ride up on the ice, ____ under its weight.

15.Cholesterol is present in large quantities in the nervous system, where ____ compound of myelin.

16.Painters of the early twentieth century who were known primarily for they colorful landscapes, the Group of Seven changed is name to the Canadian Group of Painters in 1933.

17.Most animals have nervous systems, sense organs, and specialized modes of locomotion, and are capable of securing, ingesting, and to digest food.

18.The cork oak tree has a layer of cork several inches thickness that can be stripped every ten years.

19.Inflation, interest rates, and overall economic active can be governed by the United States Federal Reserve’s decision to adjust the supply of money to

the economy.

20.Free radicals of oxygen, which common by-products of metabolic processes in the body, are capable of causing tissue damage.

21.By 1830 the glass industry in the United States had become too well established that the country no longer needed to depend on imported glass.

22.Free land, cheaply transportation, and powerfully persuasive railroad advertising all helped flood the western part of the United States with farmers

in the nineteenth century.

23.Coral formations have known as fringing reefs are located close to shore, separated from land only by shallow water.

24.For a seagoing, cargo-carrying sailing vessels, the clipper ship was remarkably fast.

25.Visibly only through large telescopes, Pluto has a yellowish color, which indicates that there is very little atmosphere.

26.Diamond is the hardest known substance, so diamonds can be cut only by another diamonds.

27.The International Monetary Fund was created in a effort to stabilize exchange rates without interfering with the healthy growth of trade.

28.Butterflies and moths undergo complete metamorphosis, them changing from caterpillar to adult via one intermediate stage, the pupa.

29.Thousands of meteorite hit Earth each year, but most fall into the sea or in remote areas and are never recovered.

30.Alaska become the forty-ninth state in 1959,and Hawaii became the fiftieth state lately that year.

31.A sponge feeds itself by drawing water through tiny pores on its surface, filtering out food particles, and then expel the water through larger vents.

32.Toward the end of his life, John Singer Sargent returned to the painting of landscapes and the use of watercolors, of which he excelled.

33.Pythons differ than most other snakes by having two well developed lungs rather than a much smaller left lung or no left lung at all.

34.Weighing among two to five kilograms in adults, the skin is the largest organ of the human body.

35.Rodents dwell in various habitat, some species being aquatic, some terrestrial.

36.The nectar of flowers are ingested by worker bees and converted to honey in special sacs in their digestive systems.

37.Lucid dreaming, the ability dreamers to become aware of and to control their dreams while dreaming, is the focus of some current psychological research.

38.The sensation of sound is produced how vibrations transmitted through the air strike the eardrum.

39.The musical tone of an electric guitar is created not by the resonance of the body of the guitar but by electronically amplification.

40.Considered one of the most beautiful of the fine art, ballet is a combination of dance and mime performed to music.