gmat阅读真题-语法(五)

GWD1-Q21:

That twenty-one ceramic dog figurines were discovered during the excavating of a 1,000-year-old Hohokam village in Tempe,  Arizona, has nearly doubled the number of these artifacts known to exist.

A.    That twenty-one ceramic dog figurines were discovered during the excavating

B.    Twenty-one ceramic dog figurines discovered at the excavation

C.    Discovering twenty-one ceramic dog figurines at the excavating

D.    Ceramic dog figurines, twenty-one of which were discovered during excavating

E      The discovery of twenty-one ceramic dog figurines during the excavation

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GWD1-Q22:

City Official:  At City Hospital, uninsured patients tend to have shorter stays and fewer procedures performed than do insured patients, even though insured patients, on average, have slightly less serious medical problems at the time of admission to the hospital than uninsured patients have.  Critics of the hospital have concluded that the uninsured patients are not receiving proper medical care.  However, this conclusion is almost certainly false.  Careful investigation has recently shown two things:  insured patients have much longer stays in the hospital than necessary, and they tend to have more procedures performed than are medically necessary.

In the city official’s argument, the two boldface portions play which of the following roles?

A.    The first states the conclusion of the city official’s argument; the second provides support for that conclusion.

B.    The first is used to support the conclusion of the city official’s argument; the second states that conclusion.

C.    The first was used to support the conclusion drawn by hospital critics; the second states the position that the city official’s argument opposes.

D.    The first was used to support the conclusion drawn by hospital critics; the second provides support for the conclusion of the city official’s argument.

E.     The first states the position that the city official’s argument opposes; the second states the conclusion of the city official’s argument.

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GWD1-Q23:

Past assessments of the Brazilian rain forest have used satellite images to tally deforested areas, where farmers and ranchers have clear-cut and burned all the trees, but such work has not addressed either logging, which is the removal of only selected trees, as well as surface fires, burning down individual trees but do not denude the forest.

A.    which is the removal of only selected trees, as well as surface fires, burning

B.    which removes only selected trees, or surface fires that burn

C.    which removes only selected trees, along with surface fires that burn

D.    removing only selected trees, or surface fires, burning

E.     removing only selected trees, as well as surface fires that burn

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GWD1-Q24:

By sucking sap from the young twigs of the hemlock tree, tree growth is retarded by the woolly adelgid, causing needles to change color from deep green to grayish green and to drop prematurely.

A.    tree growth is retarded by the woolly adelgid, causing needles to change color from deep green to grayish green and to drop

B.    tree growth is retarded by the woolly adelgid, and this causes the color of needles to change from deep green to grayish green, and their dropping

C.    the woolly adelgid retards tree growth, which causes needles to change color from deep green to grayish green, and dropping

D.    the woolly adelgid retards tree growth, causing needles to change color from deep green to grayish green and to drop

E.     the woolly adelgid retards tree growth, and this causes the color of needles to change from deep green to grayish green, and the their dropping