单项选择题Although economists have traditionally considered the district to be solely an agricultural one, the ______ of the inhabitants' occupations makes such a classification obsolete.
A．productivity
B．diversity
C．predictability
D．stability
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1.单项选择题The trainees were given copies of a finished manual to see whether they could themselves begin to ______ the inflexible, though tacit, rules for composing more of such instructional materials.
A．design
B．revise
C．disrupt
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2.单项选择题Given the existence of so many factions in the field, it was unrealistic of Anna Freud to expect any ______ of opinion.
A．freedom
B．reassessment
C．uniformity
D．expression
3.单项选择题The presence of armed guards ______ us from doing anything disruptive.
A．defeated
B．irritated
C．prevented
D．encouraged
4.单项选择题The modern age is a permissive one in which things can be said explicitly, but the old traditon of ______ dies hard.
A．talkativeness
B．exaggeration
C．condemnation
D．euphemism
5.单项选择题In parts of the Arctic, the land grades into the landfast ice so ______ that you can walk off the coast and not know you are over the hidden sea.
A．permanently
B．imperceptibly
C．irregularly
D．precariously
6.单项选择题Because folk art is neither completely rejected nor accepted as an art form by art historians, their final evaluations of it necessarily remain ______.
A．arbitrary
B．estimable
C．unspoken
D．equivocal
7.单项选择题The new machine failed to ______ the garbage. As a result, the kitchen was filled to bursting with smelly leftovers.
A．expand
B．compact
C．produce
D．criticize
8.单项选择题The painting was larger than it appeared to be. For, hanging in a darkened recess of the chapel, it was ______ by the perspective.
A．improved
B．embellished
C．jeopardized
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9.单项选择题Some customs travel well. Often, however, behavior that is considered the epitome of ______ at home is perceived as impossibily rude or, at the least, harmlessly bizarre abroad.
A．novelty
B．eccentricity
C．urbanity
D．tolerance
10.单项选择题Although often extremely critical of the medical profession as a whole, people are rarely willing to treat their personal doctors with equal ______.
A．impulse
B．sarcasm
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D．contempt
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