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　171. The crossed mandibles enable the birds to exert a powerful biting  force at the bill tips, which is critical for maneuvering them between the  scales and spreading the scales apart. Next, the crossbill snakes its long  tongue into the gap and draws out the seed.

　　The word "gap" is closest in meaning to which of following?

　　(A) opening

　　(B) flower

　　(C) mouth

　　(D) tree

　　172. Next, the crossbill snakes its long tongue into the gap and draws out  the seed. Using the combined action of the bill and tongue, the birds cracks  open and discards the woody seed covering and swallows the nutritious inner  kernel.

　　The word "discards" is closest in meaning to which of following?

　　(A) eats

　　(B) breaks

　　(C) finds out

　　(D) gets rid of

　　173. As a rule, large billed crossbills are better at seeming seeds from  large cones while small billed crossbills are more deft at removing the seeds  from small, thin scaled cones.

　　The word "deft" is closest in meaning to which of following?

　　(A) hungry

　　(B) skilled

　　(C) tired

　　(D) pleasant

　　174. This bird has a large, robust bill, yet most of Newfoundland's  conifers have small cones, the same kind of cones that the slender-billed  white-wings rely on.

　　The word "robust" is closest in meaning to which of following?

　　(A) strong

　　(B) colorful

　　(C) unusual

　　(D) sharp

　　175. It was she, a Baltimore printer, who published the first official  copies of the Declaration, the first copies that included the names of its  signers and therefore heralded the support of all thirteen colonies.

　　The word "heralded" is closest in meaning to which of following?

　　(A) influenced

　　(B) announced

　　(C) rejected

　　(D) ignored

　　176. She was also the city's postmaster from 1775 to 1789 --- appointed by  Benjamin Franklin --- and is considered to be the first woman to hold a federal  position.

　　The word "position" is closest in meaning to which of following?

　　(A) job

　　(B) election

　　(C) document

　　(D) location

　　177. Galaxies are the major building blocks of the universe. A galaxy is a  giant family of many millions of stars, and it is held together by its own  gravitational field.

　　The word "major" is closest in meaning to which of following?

　　(A) intense

　　(B) principal

　　(C) lunge

　　(D) unique

　　178. The elliptical galaxies have a symmetricalelliptical or spheroidal  shape with no obvious structure. Most of their member stars are very old and  since elliptical are devoid of interstellar gas, no new stars are forming in  them.

　　The word "symmetrical" is closest in meaning to which of following?

　　(A) proportionally balanced

　　(B) commonly seen

　　(C) typically large

　　(D) steadily growing

　　The word "obvious" is closest in meaning to which of following?

　　(A) discovered

　　(B) apparent

　　(C) understood

　　(D) simplistic

　　179. Their light was already halfway here before the Earth even formed. The  light from the nearby Virgo galaxy set out when reptiles still dominatedthe  animal world.

　　The word "dominated" is closest in meaning to which of following?

　　(A) threatened

　　(B) replaced

　　(C) were developing in

　　(D) were prevalent in

　　180. This meant that wagon freighting, stage coaching and steam boating did  not come to an end when the first train appeared; rather they became supplements  or feeders.

　　The word "supplements" is closest in meaning to which of following?

　　(A) extensions

　　(B) reformers

　　(C) dependents

　　(D) influences

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