Here's my SC spam !
MODS pardon me if I have broken any forum rules
I have the official answers with me but i don't have the explanations for them. I am looking forward for some one to come up with reasoned explanations. YHeeellllpppppp !!!
1. According to United States census data, while there was about one-third of mothers
with young children working outside the home in 1975, in 2000, almost two-thirds of those mothers were employed outside the home.
A. while there was about one-third of mothers with young children working outside the home in 1975, in 2000, almost two-thirds of those mothers were employed outside the home
B. there were about one-third of mothers with young children who worked outside the home in 1975; in 2000, almost two-thirds of those mothers were employed outside the home
C. in 1975 about one-third of mothers with young children worked outside the home; in 2000, almost two-thirds of such mothers were employed outside the home
D. even though in 1975 there were about one-third of mothers with young children who worked outside the home, almost two-thirds of such mothers were employed outside the home in 2000
E. with about one-third of mothers with young children working outside the home in 1975, almost two-thirds of such mothers were employed outside the home in 2000
4. Finally reaching a decision on an issue that has long been politically charged in the
Pacific Northwest, politicians decided to postpone by at least five years an ambitious plan to protect wild salmon and other endangered fish, instead of which they proposed a series of smaller steps, by which they intend to protect the fish.
A. politicians decided to postpone by at least five years an ambitious plan to protect wild salmon and other endangered fish, instead of which they proposed a series of smaller steps, by which they intend
B. politicians decided to postpone by at least five years an ambitious plan to protect wild salmon and other endangered fish, proposing instead a series of smaller steps intended
C. politicians decided to postpone by at least five years an ambitious plan for protecting wild salmon and other endangered fish, and instead they proposed a series of smaller steps, intending
D. an ambitious plan to protect wild salmon and other endangered fish was postponed by politicians, who instead proposed a series of smaller steps, intending
E. an ambitious plan to protect wild salmon and other endangered fish has been postponed by politicians, proposing instead a series of smaller steps intended
5. Providing initial evidence that airports are a larger source of pollution than they were once
believed to be, environmentalists in Chicago report that the total amount of pollutant emitted annually by vehicles at O'Hare International Airport is twice as much as that which is being emitted annually by all motor vehicles in the Chicago metropolitan area.
A. as much as that which is being emitted annually by all
B. as much annually as is emitted by the
C. as much compared to what is annually emitted by all
D. that emitted annually by all
E. that emitted annually compared to the
6. The quality of early pieces of blown glass excavated in Italy and Western Europe by far
surpass those of pieces from the eastern Mediterranean, when regarded not only in terms of the variety of shapes represented, but also in terms of decorative techniques and functionality.
A. by far surpass those of pieces from the eastern Mediterranean, when regarded not only in terms of
B. surpasses by far those from the eastern Mediterranean, with regard not only to
C. far surpass that of pieces from the eastern Mediterranean, not only regarding
D. far surpasses that of the eastern Mediterranean, with regard to not only
E. far surpasses that of pieces from the eastern Mediterranean, not only with regard to
7. The Near Earth Asteroid Rendezvous (NEAR) spacecraft will orbit the asteroid Eros for a
year, slowly moving closer to the surface of the object to make ever more precise measurements that scientists hope will enable them to understand how the solar system formed some four billion years ago.
A. to make ever more precise measurements that scientists hope will enable them to
B. to make ever more and more precise measurements, which scientists are hoping to enable them
C. for making ever more precise measurements, and scientists hope that they will be able to
D. with the purpose of making more precise measurements than ever, and which scientists hope will enable them to
E. in order to make more precise measurements than it ever did, and scientists are hoping they will be able to
19. Roughly one-half of the world's population, including virtually all of East and Southeast Asia also, is wholly dependent on rice to be its staple food.
A. including virtually all of East and Southeast Asia also, is wholly dependent on rice to be
B. including virtually all of East and Southeast Asia, is wholly dependent on rice as
C. virtually all of East and Southeast Asia as well, wholly dependent on rice as
D. which includes virtually all of East and Southeast Asia's, being wholly dependent on rice as
E. which includes virtually all of East and Southeast Asia also, is wholly dependent on rice to be.
20. After increasing steadily for centuries, the total annual catch of all wild fish peaked in 1989; since that time, the total catch for most species has declined or plateaued, prompting conservation efforts designed to help prevent population crashes and possible extinctions.
A. fish peaked in 1989; since that time, the total catch for most species has declined or plateaued, prompting
B. fish peaked in 1989, but with the total catch since then declining or plateauing in the case of most species, prompting
C. fish had peaked in 1989; since that time, the decline or plateau of the total catch for most species, which prompted
D. fish, which peaked in 1989, and, in the case of most species, it has declined or plateaued since, prompted
E. fish, which peaked in 1989 but has since declined or plateaued for most species, and this prompted
21. During the eighteenth century, widespread changes in agriculture, known as the agrarian revolution, involving the large-scale introduction of enclosed fields, of new farming techniques and crops, and the substitution of commercial for subsistence farming.
A. revolution, involving the large-scale introduction of enclosed fields, of new farming techniques and crops, and
B. revolution, involved the large-scale introduction of enclosed fields and of new farming techniques and crops, and C. revolution, which involved the large-scale introduction of enclosed fields and of new farming techniques and crops, and
D. revolution involved the large-scale introduction of enclosed fields, new farming techniques and crops, and of
E. revolution that involved the large-scale introduction of enclosed fields and new farming techniques and crops, and of
22. More than fifty years after the Second World War, a number of African American soldiers were awardedsome of them posthumouslywith the Congressional Medal of Honor, which was the nation's highest military award, and which was long overdue in recognition of their outstanding bravery.
A. with the Congressional Medal of Honor, which was the nation's highest military award, and which was long overdue in
B. with the Congressional Medal of Honor, the nation's highest military award for long- overdue
C. the Congressional Medal of Honor, which was the nation's highest military award, long-overdue in
D. the Congressional Medal of Honor, the nation's highest military award for long- overdue
E. the Congressional Medal of Honor, the nation's highest military award, in long- overdue
23. The discovery that Earth's inner core rotates independently of and more quickly than Earth's outer layers is responsible for advancing studies of the flow of heat from the inner through the outer planet and of the formation and periodic reversal in direction of Earth's magnetic field.
A. core rotates independently of and more quickly than Earth's outer layers is responsible for advancing studies of the flow of heat from the inner through the outer planet and of the formation and periodic reversal in direction of Earth's magnetic field
B. core rotates independently of and more quickly than Earth's outer layers is responsible for advancing studies of how heat from the inner core flows through the outer planet, and the formation and periodic reversal in direction of Earth's magnetic field
C. core rotates independently and more quickly than Earth's outer layers are responsible for advancing studies of how heat from the inner core flows through the outer planet, and how Earth's magnetic field forms and the periodic reversal of its direction
D. core, rotating independently and more quickly than Earth's outer layers, are responsible for advancing studies of the flow of heat from the inner through the outer planet, and the formation and periodic reversal in direction of Earth's magnetic field
E. core, rotating independently of and more quickly than Earth's outer layers, is responsible for advancing studies of the flow of heat from the inner through the outer planet and of how Earth's magnetic field forms and the periodic reversal of its direction.
24. Until a few centuries ago, any large bones discovered in the fields or caves of Europe, now known to be large prehistoric animals, were usually assumed to be the remains of giants and were often displayed as curiosities in castles, palaces, town halls, churches, and monasteries.
A. now known to be large prehistoric animals, were usually assumed to be
B. presently known as from large prehistoric animals, were usually assumed as
C. bones now known to be those of large prehistoric animals, were usually assumed to be
D. bones known at present as of large prehistoric animals, were usually assumed as those of
E. currently known as those of large prehistoric animals, were usually assumed to be those of
25. The principal feature of the redesigned checks is a series of printed instructions that the company hopes will help merchants confirm a check's authenticity, which includes reminders to watch the endorsement, compare signatures, and view the watermark while holding the check to the light.
A. which includes reminders to watch the endorsement, compare signatures, and view
B. which include reminders for watching the endorsement, to compare signatures and view
C. by including reminders for watching the endorsement, comparing signatures, and viewing
D. including reminders to watch the endorsement, comparing signatures and viewing
E. including reminders to watch the endorsement, compare signatures, and view