对于托福考试中单词题的解题方法，同学们还是多练为主，本系列汇总了托福词汇题精选440题，本期带来的是331-340，相信大家通过勤加练习，多看多记，一定可以攻克托福词汇题的。
331. Air currents move and lift droplets so that the net downward displacement is zero, even though the droplets are in constant motion.
The word "motion" is closest in meaning to which of following?
(A) wind
(B) change
(C) movement
(D) humidity
332. To the casual observer, dust seems to act in a totally random fashion, moving about chaotically without fixed direction.
The word "random" is closest in meaning to which of following?
(A) unpredictable
(B) perplexing
(C) independent
(D) abnormal
333. During the 1920's she was editor of The Dial, an important literary magazine of the period.
The word "period" is closest in meaning to which of following?
(A) movement
(B) school
(C) region
(D) time
The word "succeeding" is closest in meaning to which of following?
(A) inheriting
(B) prospering
(C) diverse
(D) later
334. The Southwest has always been a dry country, where water is scarce. The Hopi and Zuni brought water from streams to their fields and gardens through irrigation ditches.
The word "scarce" is closest in meaning to which of following?
(A) limited
(B) hidden
(C) pure
(D) necessary
335. Like tree roots breaking up a sidewalk, the growing crystals exert pressure on the rock and eventually pry the rock apart along planes of weakness, such as banding in metamorphic rocks, bedding in sedimentary rocks, or preexisting or incipient fractions, and along boundaries between individual mineral crystals or grains.
The word "exert" is closest in meaning to which of following?
(A) put
(B) reduce
(C) replace
(D) control
336. A rock durable enough to have withstood natural conditions for a very long time in other areas could probably be shattered into small pieces by salt weathering within a few generations.
The word "durable" is closest in meaning to which of following?
(A) large
(B) strong
(C) flexible
(D) pressured
The word "shattered" is closest in meaning to which of following?
(A) arranged
(B) dissolved
(C) broken apart
(D) gathered together
337. The dominant salt in Death Valley is halite, or sodium chloride, but other salts, mostly carbonates and sulfates, also cause prying and wedging, as does ordinary ice.
The word "dominant" is closest in meaning to which of following?
(A) most recent
(B) most common
(C) least available
(D) least damaging
338. Overland transport in the United States was still extremely primitive in 1790. Roads were few and short, usually extending from inland communities to the nearest river town or seaport.
The word "primitive" is closest in meaning to which of following?
(A) unsafe
(B) unknown
(C) inexpensive
(D) undeveloped
339. Nearly all interstate commerce was carried out by sailing ships that served the bays and harbors of the seaboard. Yet, in 1790 the nation was on the threshold of a new era of road development.
The phrase "on the threshold of" in line 4 and 5 is closest in meaning to which of following?
(A) in need of
(B) in place of
(C) at the start of
(D) with the purpose of
340. The company built a gravel road within two years, and the success of the Lancaster Pike encouraged imitation. Northern states generally relied on private companies to build their toll roads, but Virginia constructed a network at public expense.
The word "imitation" is closest in meaning to which of following?
(A) investment
(B) suggestion
(C) increasing
(D) copying
参考答案：C A D D A A B C B C C D
以上就是前程百利为大家整理的托福词汇题精选440题(34)，考生可在平常复习中进行参考训练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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