81.The jeweler assured Mr. White that the stone was a(an)________ diamond and not an imitation.
A) graceful
B) genuine
C) actual
D) exact
82.The remarkable________ of life on the Galopagos Islands inspired Charles Darwin to establish his theory of evolution.
A) classification
B) diversion
C) density
D) variety
83.As the clouds drifted away an even higher peak became________ to the climbers.
A) obvious
B) visible
C) present
D) apparent
84.The news item about the fire is followed by a detailed report made________ .
A) on the spot
B) on the site
C) on the location
D) on the ground
85.The remarkable gains in the general health of the population in the world have been due in large measure________ the efforts of some great doctors.
A) for
B) with
C) by
D) to
86.He appeared in the court and supplied the facts________ to the case.
A) subject
B) attached
C) relevant
D) corresponding
87.In my opinion, you can widen the________ of these improvements through your active participation.
A) dimension
B) volume
C) magnitude
D) scope
88.John did not have to write the composition if he didn’t want to. It was________ .
A) imperative
B) optional
C) critical
D) unnecessary
89.I support your decision, but I should also make it clear that I am not going to be________ to it.
A) connected
B) fastened
C) bound
D) related
90.A________ exercise such as running is helpful to our health.
A) rigorous
B) vigorous
C) precious
D) continuous
91.If any man here does not agree with me, he should________ his own plan for improving the living conditions of these people.
A) put on
B) put out
C) put in
D) put forward
92.In sharp________ to John, who is frank, Henry is too sophisticated.
A) contrast
B) conflict
C) comparison
D) contradiction
93.On a small farm in a dry climate one should not grow crops that need________ space and a lot of water.
A) considerable
B) significant
C) extensive
D) quantitative
94.One reason for the successes of Asian immigrants in the U.S. is that they have taken great________ to educate their children.
A) efforts
B) pains
C) attempts
D) endeavours
95.She was pale with________ after working for three shifts in succession.
A) cold
B) fright
C) emotion
D) fatigue
96.What a________ person says or does today agrees with what he said or did yesterday.
A) harmonious
B) consistent
C) constant
D) sensible
97.What sort of________ can you get for the night in a city like this?
A) commission
B) treatment
C) accommodation
D) recommendation
98.As a defense against air-pollution damage, many plants and animals________ a substance to absorb harmful chemicals.
A) relieve
B) release
C) dismiss
D) discard
99.He________ his sorrow beneath a cheerful appearance.
A) concealed
B) retained
C) kept
D) shielded
100.As your instructor advised, you ought to spend your time on something________ researching.
A) worthwhile
B) worth
C) worthy
D) requesting
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