4. If present metal prices continue to sharply rise, the value of the copper in a penny will soon be greater than the face value of the coin.
(A) If present metal prices continue to sharply rise,
(B) If present metal prices are continuing their sharp rise,
(C) Should present metal prices continue their sharp rise,
(D) Continuation of sharply rising metal prices should mean that
(E) Metal prices’ sharp rise continuing should mean that
6. The cause of Osgood’s syndrome is unknown, nor is it known why the disease appears to be increasing in the United States.
(A) unknown, nor is it known
(B) unknown, neither do they know
(C) not known, nor do they know
(D) not known, unknown too is
(E) not known, neither do they know
17. Whether modern statistical techniques can be usefully applied to the past, and to a society quite different from our own, is an issue historians and economists are currently debating.
(A) Whether modern statistical techniques can be usefully applied to the past, and to a society quite different from our own, is an issue
(B) If modern statistical techniques can be usefully applied to the past, and to a society quite different from our own, are issues
(C) That modern statistical techniques can be usefully applied to the past, and to a society quite different from our own, are issues
(D) Modern statistical techniques being usefully applied to the past, and to a society quite different from our own, is an issue
(E) The useful application of modern statistical techniques to the past, and to a society quite different from our own, is an issue
19. At a conference on the origins of language, the complexity of tools 1.75 million years old were said to suggest a level of human development, inconceivable unless they had language.
(C) was said to be suggestive of a level of human development not conceivable without language
(D) was said to suggest a level of human development inconceivable unless they had language
(E) was said to suggest a level of human development inconceivable without language
I'll post the OA's soon... Please post the explanations too, they would really help me.
(A) If present metal prices continue to sharply rise,
(B) If present metal prices are continuing their sharp rise,
(C) Should present metal prices continue their sharp rise,
(D) Continuation of sharply rising metal prices should mean that
(E) Metal prices’ sharp rise continuing should mean that
6. The cause of Osgood’s syndrome is unknown, nor is it known why the disease appears to be increasing in the United States.
(A) unknown, nor is it known
(B) unknown, neither do they know
(C) not known, nor do they know
(D) not known, unknown too is
(E) not known, neither do they know
17. Whether modern statistical techniques can be usefully applied to the past, and to a society quite different from our own, is an issue historians and economists are currently debating.
(A) Whether modern statistical techniques can be usefully applied to the past, and to a society quite different from our own, is an issue
(B) If modern statistical techniques can be usefully applied to the past, and to a society quite different from our own, are issues
(C) That modern statistical techniques can be usefully applied to the past, and to a society quite different from our own, are issues
(D) Modern statistical techniques being usefully applied to the past, and to a society quite different from our own, is an issue
(E) The useful application of modern statistical techniques to the past, and to a society quite different from our own, is an issue
19. At a conference on the origins of language, the complexity of tools 1.75 million years old were said to suggest a level of human development, inconceivable unless they had language.
(C) was said to be suggestive of a level of human development not conceivable without language
(D) was said to suggest a level of human development inconceivable unless they had language
(E) was said to suggest a level of human development inconceivable without language
I'll post the OA's soon... Please post the explanations too, they would really help me.












