Toefl stucture bank part 17

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30. Some nineteenth-century advocates for the emancipation of women in the United States were
also activity in the Underground Railroad, helping to slaves escape.

31. Feathers not only protect birds from injury and conserve body heat but also function in flight.
courtship, camouflage, and sensory perceptive.
32. The radio telescope, invented in 1932, has capabilities beyond far those of optical telescopes in
tracking signals from galaxies.

33. Rafting was an essential mean of transportation from prehistoric times to the nineteenth century.

34. Many fortification rank among the most functional and beautiful works of architecture constructed
in North America before the twentieth century.

35. Because her work was popular with European royally, Harriet Goodhue Hosmer became financial
successful as a sculptor in the mid-eighteen hundreds.

36. The actor James Earl Jones gained Broadway stardom in ―The Great White Hope‖ for his powerful
portrayal of prizefighter.

37. Despite fats and oils arc nutritionally important as energy sources, medical research indicates that
saturated fats may contribute to hardening of the
arteries.

38. Large multicolored insects with four wings, dragonflies play a very important role in the ecosystem
of humid area by controlling the population of mosquitoes.

39. During early nineteenth-century Boston. the architect Charles Bulfinch, eager to make the city
beautiful, sometimes provided free plans for people building

40. In 1889 Jane Addams, a social worker in Chicago, founded hull house, an
institution devoted to the improvement of community life in poor neighborhood.
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1998 年 05 月语法题
1. _____ a major role in future planetary exploration.
(A) Robots will surely play
(B) Robots, which will surely play
(C) Because robots will surely be playing
(D) Surely robots, which will be playing

2. Unlike the owl, bats cannot see very well, but they do have_____.
(A) it hears very well
(B) very good to hear
(C) hearing very well
(D) very good hearing

3. Comparatively few clues in the United Slates have competing newspapers today, a major change
from 1900 _____ more than two newspapers.
(A) because then most large cities having
(B) when did most large cities have
(C) then most large cities that had
(D) when most large cities had

4. Witch hazel extract, ____ distilled from the bark and twigs of the witch hazel shrub, has been
utilized in medicine.
(A) is
(B) when to be
(C) which is
(D) has been

5. ____ touching in O. Henry‘s stories is the gallantry with which ordinary people struggle to maintain
their dignity.
(A) Most is
(B) It mostly is
(C) Is it most
(D) What is most

6. The face of the Moon is changed by collisions with meteoroids, ____ new craters to appear.
(A) cause
(B) causing
(C) caused
(D) have cause

7. Social scientists believe that ____ from sounds such as grunts and barks made by early ancestors
of human beings.
(A) the very slow development of language
(B) language developed very slowly
(C) language which,, was very slow to develop
(D) language, very slowly developing

8. ____ substances include various forms of silica, pumice, and emery.
(A) Natural abrasives occur
(B) Abrasion occurs in natural
(C) Naturally occurring abrasive
(D) A natural occurrence of abrasion

9._____ in the upper part of their long thin legs allow deer to run swiftly and jump far.
(A) Muscles are powerful
(B) There are powerful muscles
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(C) The powerful muscles that
(D) Powerful muscles

10. Geophysicists have collaborated with archaeologists and anthropologists to study the magnetic
properties of pottery and fireplaces at sites ____-- by early humans.
(A) occupied
(B) occupying
(C) which occupy
(D) were occupied

11. ____ technically proficient; it also explores psychological questions.
(A) Not only is Barbara Astman‘s artwork
(B) Not only Barbara Astman‘s artwork
(C) Barbara Astman‘s artwork,, which is not only
(D) Barbara Astman‘s artwork not only

12.Although Canada‘s Parliament can neither administer or enforce laws_____ initiate policy, it does
have the power to make laws and vote on the allocation of funds.
(A) not
(B) nor
(C) and
(D) either

13.Willa Cather considered her novel of life in nineteenth-century Nebraska, My Antonia,____
(A) was her best work
(B) her best work
(C) her best work it was
(D) being her best work

14.First designated in 1970, Earth Day has become an annual international event ______ concerns

about environmental issues such as pollution.
(A) dedicated to raising
(B) dedicated raising
(C) dedicates to raise
(D) that dedicates to raising

15.In 1992 Albert Gore, Jr., the son of a former United States senator, became _____ Vice President
of the United States.
(A) who was the forty-fifth
(B) and the forty-fifth
(C) the forty-fifth
(E) he was the forty-fifth

16. Although Christopher Columbus failed in his original goal, the discoveries he did make were as
Important than the route to Asia he expected to find.

17. Martha Graham, a leading figure in modern dance, made she debut in 1920 with the Denishawn
School.

18. In the United States, the federal government is responsible to regulating the working conditions in
factories.
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19. Jupiter is a gaseous planet with. an atmosphere composed most of hydrogen and helium.

20. Throughout her career Georgia O‘Keeffe paid meticulous attention to her craft; her brushes were
always clean, her colors fresh and brightness.

21. Hydrogen the nine most abundant element in the Earth‘s crust, is an odorless, colorless, and
tasteless gas.

22. Salamanders are frequently to be find in moist, wooded areas.

23. Steam engines have been replaced in most cases by more economical and efficiency devices,
such as the electric motor.

24. Traditionally, the Fourth of July is celebrated in the United States with political speeches, picnics,
and most important of all, a displayed of fireworks
at night.

25.The style of used in cartoon animation range from relatively realistic representations of everyday
life to the most romantic and impossible fantasy.

26. Ordinary beaver dams vary in length from a few feet to a hundred feet or more than.

27. In the United State, presidential elections are held once every four year.

28.Except of the freehand toe, the feet of the gull are fully webbed.

29. Teaching machines are devices that can store instructionally information, present displays,
receive responses from a learner, and act on those responses.

30. Challotte Perkins Gilman Is known primarily as an author of short stories, but she also wrote an
influential book argued for equal economic opportunities
for women.

31.In some areas of the United States, unfavorable climate or soil make farming an impossible task.
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32. Naturalists have identified at least four hundred of species of mammals and six hundred types of

birds in the state of California.

33. Instead of tooth, the blue whale has a row of bony plates in its mouth that functions as a food-
collecting device.

34. Murres are black-and-white driving birds that mate every five or six years and lay only a single egg
at time.

35. A bar code consists a pattern of lines and bars that a computer can translate into information.

36. Hummingbirds are the only birds that can fly to backwards.

37. Fluorine, a greenish-yellow gas that is slightly heavy than air is poisonous and corrosive and has a
penetrating and disagreeable odor.

38. The Everglades, a large swamp area is an unique wilderness extending over much of southern
Florida.

39. Each year millions of tons of fertile topsoil that could produce good crops washed away by rains.

40. Since the 1950‘s, folk‘ music has had a significant influence on many popular vocal and
instrumental music.