2011年TOEFL词汇模拟题精选系列六十八

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

succeeding generations of poets and readers.
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

331 C

332 A

333 D D

334 A

335 A