Đề ngữ pháp Toefl itp 1990-01

1.—ratchet is a wheel or bar that can move in only one direction.

2.Thomas Jefferson’s achievements as an architect rival his contributions —a politician.

3.The chief foods eaten in any country depend largely on —best in its climate and soil.

4.Possibly the greatest advance in —materials came with the invention of a cheap way to make steel.

5.—, snakes frequently subdue their prey without injecting poison.

6.Two years after she was chosen president of the Texas State Senate, —successfully for a seat in the United States Congress.

7.The values of a people, their customs, and their perceptions of the world —their language.

8.Over a very large number of trials, the probability of an event’s —is equal to the probability that it will not occur.

9.—fashioned from a wick floating in a bowl of oil functioned according to the principle of capillary action.

10.Annie Jump Cannon, —discovered so many stars that she was called “the census taker of the sky.”

11.The less the surface of the ground yields to the weight of the body of a runner, —to the body.

12.And ideal is a standard —people judge real phenomena.

13.Maine has —weather than most of the other states in the continental United States.

14.Amoebas are —small to be seen without a microscope.

15.Graphite conducts electricity —does not burn.

16.The methods of spectrum analysis vary according to the wavelength region were studied.

17.Hurricanes are severe cyclones with winds over seventy-five miles an hour who originate over tropical ocean waters.

18.A great proportion of the seeds of desert flora they possess germination-inhibiting substances.

19.Window treatment, furniture arrangement and color combine all contribute to the overall impression of a room.

20.Harvesting of grains is affected by annual changes in temperature or in the amount of moisture, but both.

21.Due to its excellent tensile strength, acetate rayon is an important material for products so as balloons, parachutes, fire hoses, and webbing.

22.It has not been determined how years sea turtles can live in their natural environment, but they will reach a very old age if left undisturbed by humans.

23.A footnote is characteristically employed to give information that is too long or too detailed be included in the body of a text.

24.Watercolors dry more faster than other paints.

25.In mathematical terms, modern algebra is set of objects with rules for connecting or relating those objects.

26.Alike most fruit trees, the quince is normally propagated from shoots or cuttings.

27.A patent gives inventors exclusive rights to their inventions for a fix period of time.

28.In 1981 the fossil jaw of a previously unknown small mammal was found onto a Navaho reservation in Arizona.

29.The wild carrot, knew as Queen Anne’s lace, gave rise to the cultivated carrot in its domesticated form.

30.A statue, a monumental, a building, or a park may be dedicated to commemorate a distinguished individual.

31.The Earth’s magnetic poles are not stationary, but slowly shift its position.

32.A emotion is not necessarily aroused by something in the outside world.

33.The elbows are joints that connected people’s up arms with their forearms.

34.Ants have an elaborate structure social, and enjoy a longevity far greater than that of most insects.

35.Municipal planners deal chiefly for the physical layout of communities.

36.A musician with multiply talents, Aretha Franklin is able to write songs that are unusually consistent in style and content.

37.Whether a healthy adult tends to feel hungry two, three, or four times a daily is a question of physiology and of culture.

38.One of the most distinction dialects of North American English, Gullah is spoken by many people in the South Carolina area.

39.The novels of John Cheever belongs to a literary tradition that is concerned primarily with manners.

40.Pennsylvania has the most institutions of higher learning than any other state has.