1. 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
2. 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
3. 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
4. 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
5. 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
