托福单词记忆对于大多数托福考生来说是一大难点。托福词汇的学习需要放在文章语境中去记忆和理解。本文为大家带来托福词汇模拟练习精选试题(18)，希望对大家托福备考有所帮助。
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 symmetrical elliptical 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 dominated the 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
参考答案：A D B A B A B A B D A
以上就是为大家整理的托福词汇模拟练习精选试题，考生可在复习中进行练习以提高自己的考试水平。若您想了解托福考试更多相关信息请关注前程百利。
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