1、OG12 SC 动词形式3. Although various eighteenth- and nineteenth-century American poets had professed an interest in Native American poetry and had pretended to imitate Native American forms in their own works, until almost 1900, scholars and critics did not begin seriously to study traditional Native Ame
2、rican poetry in native languages. (A) until almost 1900, scholars and critics did not begin seriously to study(B) until almost 1900 scholars and critics had not begun seriously studying(C) not until almost 1900 were scholars and critics to begin seriously to study(D) it was not almost until 1900 whe
3、n scholars and critics began to seriously study(E) it was not until almost 1900 that scholars and critics seriously began studying4. Of all the vast tides of migration that have swept through history, maybe none is more concentrated as the wave that brought 12 million immigrants onto American shores
4、 in little more than three decades. (A) maybe none is more concentrated as(B) it may be that none is more concentrated as (C) perhaps it is none that is more concentrated than(D) maybe it is none that was more concentrated than(E) perhaps none was more concentrated than8. The widely accepted big ban
5、g theory holds that the universe began in an explosive instant ten to twenty billion years ago and has been expanding ever since. (A) that the universe began in an explosive instant ten to twenty billion years ago and has been expanding(B) that the universe had begun in an explosive instant ten to t
6、wenty billion years ago and had been expanding(C) that the beginning of the universe was an explosive instant ten to twenty billion years ago that has expanded(D) the beginning of the universe to have been an explosive instant ten to twenty billion years ago that is expanding(E) the universe to have
7、 begun in an explosive instant ten to twenty billion years ago and has been expanding10. Carnivorous mammals can endure what would otherwise be lethal levels of body heat because they have a heat-exchange network which kept the brain from getting too hot. (A) which kept(B) that keeps(C) which has ke
8、pt(D) that has been keeping(E) having kept16. Retail sales rose 0.8 of 1 percent in August, intensifying expectations that personal spending in the Julv-September quarter more than doubled that of the 1.4 percent growth rate in personal spending for the previous quarter. (A) that personal spending i
9、n the July-September quarter more than doubled that of(B) that personal spending in the July-September quarter would more than double(C) of personal spending in the July-September quarter, that it more than doubled(D) of personal spending in the July-September quarter more than doubling that of(E) o
10、f personal spending in the July-September quarter, that it would more than double that of19. The Iroquois were primarily planters, but supplementing their cultivation of maize, squash, and beans with fishing and hunting. (A) but supplementing(B) and had supplemented(C) and even though they supplemen
11、ted(D) although they supplemented(E) but with supplementing23. In a previous design, the weight of the discus used in track competition is concentrated in a metal center, but now it is lined with lead around the perimeter, thereby improving stability in flight and resulting in longer throws. (A) In
12、a previous design, the weight of the discus used in track competition is concentrated in a metal center, but now it is(B) According to a previous design, the weight of the discus used in track competition was concentrated in a metal center, but now it is(C) Once designed with its weight concentrated
13、 in a metal center, the discus used in track competition is now(D) The discus used in track competition, once designed with its weight concentrated in a metal center, but now(E) The discus used in track competition was once designed having its weight concentrated in a metal center and now34. Beyond
14、the immediate cash flow crisis that the museum faces, its survival depends on if it can broaden its membership and leave its cramped quarters for a site where it can store and exhibit its more than 12,000 artifacts. (A) if it can broaden its membership and leave(B) whether it can broaden its members
15、hip and leave(C) whether or not it has the capability to broaden its membership and can leave(D) its ability for broadening its membership and leaving(E) the ability for it to broaden its membership and leave41. To develop more accurate population forecasts, demographers have to know a great deal mo
16、re than now about the social and economic determinants of fertility. (A) have to know a great deal more than now about the social and economic(B) have to know a great deal more than they do now about the social and economical(C) would have to know a great deal more than they do now about the social
17、and economical(D) would have to know a great deal more than they do now about the social and economic(E) would have to know a great deal more than now about the social and economic42. Scientists have recently discovered what could be the largest and oldest living organism on Earth, a giant fungus th
18、at is an interwoven filigree of mushrooms and rootlike tentacles spawned by a single fertilized spore some 10,000 years ago and extending for more than 30 acres in the soil of a Michigan forest. (A) extending(B) extends(C) extended(D) it extended(E) is extending47. Five fledgling sea eagles left the
19、ir nests in western Scotland this summer, bringing to 34 the number of wild birds successfully raised since transplants from Norway began in 1975. (A) bringing(B) and brings(C) and it brings(D) and it brought(E) and brought64. Doctors generally agree that such factors as cigarette smoking, eating ri
20、ch foods high in fats, and alcohol consumption not only do damage by themselves but also aggravate genetic predispositions toward certain diseases. (A) not only do damage by themselves but also aggravate(B) do damage by themselves but also aggravating to(C) are damaging by themselves but also are ag
21、gravating (D) not only do damage by themselves , they are also aggravating to(E) are doing damage by themselves , and they are also aggravating 69. Once they had seen the report from the medical examiner, the investigators did not doubt whether the body recovered from the river was the man who had a
22、ttempted to escape from the state prison. (A) did not doubt whether the body recovered from the river was(B) have no doubt whether the body recovered from the river was(C) had not doubted that the body recovered from the river was(D) have no doubt whether the body recovered from the river was that o
23、f(E) had no doubt that the body recovered from the river was that of70. His studies of ice-polished rocks in his Alpine homeland, far outside the range of present-day glaciers, led Louis Agassiz in 1837 to propose the concept of an age in which great ice sheets had existed in now currently temperate
24、 areas. (A) in which great ice sheets had existed in now currently temperate areas(B) in which great ice sheets existed in what are now temperate areas(C) when great ice sheets existed where there were areas now temperate(D) when great ice sheets had existed in current temperate areas(E) when great
25、ice sheets existed in areas now that are temperate73. Combining enormous physical strength with higher intelligence, the Neanderthals appear as equipped for facing any obstacle the environment could out in their path, but their relatively sudden disappearance during the Paleolithic era indicates tha
26、t an inability to adapt to some environmental change led to their extinction. (A) appear as equipped for facing any obstacle the environment could put in their path,(B) appear to have been equipped to face any obstacle the environment could put in their path,(C) appear as equipped to face any obstac
27、le the environment could put in their paths,(D) appeared as equipped to face any obstacle the environment could put in their paths,(E) appeared to have been equipped for facing any obstacle the environment could put in their path,74. A 1972 agreement between Canada and the United States reduced the
28、amount of phosphates that municipalities had been allowed to dump into the Great Lakes. (A) reduced the amount of phosphates that municipalities had been allowed to dump(B) reduced the phosphate amount that municipalities had been dumping(C) reduces the phosphate amount municipalities have been allo
29、wed to dump(D) reduced the amount of phosphates that municipalities are allowed to dump(E) reduces the amount of phosphates allowed for dumping by municipalities75. A proposal has been made to trim the horns from rhinoceroses to discourage poachers; the question is whether tourists will continue to
30、visit game parks and see rhinoceroses after their horns are trimmed. (A) whether tourists will continue to visit game parks and see rhinoceroses after their horns are(B) whether tourists will continue to visit game parks to see one once their horns are(C) whether tourists will continue to visit game
31、 parks to see rhinoceroses once the animals horns have been(D) if tourists will continue to visit game parks and see rhinoceroses once the animals horns are(E) if tourists will continue to visit game parks to see one after the animals horns have been86. The results of the companys cost-cutting measu
32、res are evident in its profits, which increased 5 percent during the first 3 months of this year after it fell over the last two years. (A) which increased 5 percent during the first 3 months of this year after it fell(B) which had increased 5 percent during the first 3 months of this year after it
33、had fallen(C) which have increased 5 percent during the first 3 months of this year after falling(D) with a 5 percent increase during the first 3 months of this year after falling(E) with a 5 percent increase during the first 3 months of this year after having fallen87. In an effort to reduce their
34、inventories, Italian vintners have cut prices; their wines have been priced to sell, and they are. (A) have been priced to sell, and they are(B) are priced to sell, and they have(C) are priced to sell, and they do(D) are being priced to sell, and have(E) had been priced to sell, and they have90. Alt
35、hough early soap operas were first aired on evening radio in the 1920s, they had moved to the daytime hours of the 1930s when the evening schedule became crowded with comedians and variety shows. (A) were first aired on evening radio in the 1920s, they had moved to the daytime hours of the 1930s(B)
36、were first aired on evening radio in the 1920s, they were moved to the daytime hours in the 1930s(C) were aired first on evening radio in the 1920s, moving to the daytime hours in the 1930s(D) were aired first in the evening on 1920s radio, they moved to the daytime hours of the 1930s(E) aired on ev
37、ening radio first in the 1920s, they were moved to the 1930s in the daytime hours98. Even though Clovis points, spear points with longitudinal grooves chipped onto their faces, have been found all over North America, they are named for the New Mexico site where they were first discovered in 1932. (A
38、) Even though Clovis points, spear points with longitudinal grooves chipped onto their faces, have been found all over North America, they are named for the New Mexico site where they were first discovered in 1932.(B) Although named for the New Mexico site where first discovered in 1932, Clovis poin
39、ts are spear points of longitudinal grooves chipped onto their faces and have been found all over North America.(C) Named for the New Mexico site where they have been first discovered in 1932, Clovis points, spear points of longitudinal grooves chipped onto the faces, have been found all over North
40、America.(D) Spear points with longitudinal grooves that are chipped onto the faces, Clovis points, even though named for the New Mexico site where first discovered in 1932, but were found all over North America.(E) While Clovis points are spear points whose faces have longitudinal grooves chipped in
41、to them, they have been found all over North America, and named for the New Mexico site where they have been first discovered in 1932.122.A wildlife expert predicts that the reintroduction of the caribou into northern Minnesota would fail if the density of the timber wolf population in that region i
42、s more numerous than one wolf for every 39 square miles. (A) would fail if the density of the timber wolf population in that region is more numerous(B) would fail provided the density of the timber wolf population in that region is more(C) should fail if the timber wolf density in that region was gr
43、eater(D) will fail if the density of the timber wolf population in that region is greater(E) will fail if the timber wolf density in that region were more numerous125.Today, because of improvements in agricultural technology, the same amount of acreage produces double the apples that it has in 1910.
44、 (A) double the apples that it has(B) twice as many apples as it did(C) as much as twice the apples it has(D) two times as many apples as there were(E) a doubling of the apples that it did128. Australian embryologists have found evidence that suggests that the elephant is descended from an aquatic a
45、nimal, and its trunk originally evolving as a kind of snorkel. (A) that suggests that the elephant is descended from an aquatic animal, and its trunk originally evolving(B) that has suggested the elephant descended from an aquatic animal, its trunk originally evolving(C) suggesting that the elephant
46、 had descended from an aquatic animal with its trunk originally evolved(D) to suggest that the elephant had descended from an aquatic animal and its trunk originally evolved(E) to suggest that the elephant is descended from an aquatic animal and that its trunk originally evolved137. Joachim Raff and
47、 Giacomo Meyerbeer are examples of the kind of composer who receives popular acclaim while living, often goes into decline after death, and never regains popularity again. (A) often goes into decline after death, and never regains popularity again(B) whose reputation declines after death and never r
48、egains its status again(C) but whose reputation declines after death and never regains its former status(D) who declines in reputation after death and who never regained popularity again(E) then has declined in reputation after death and never regained popularity139. The company announced that its p
49、rofits declined much less in the second quarter than analysts had expected it to and its business will improve in the second half of the year. A. had expected it to and its business will improveB. had expected and that its business would improveC. expected it would and that it will improve its businessD. expected them to and its business would improveE. expected and that it will have improved its business
