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【单选题】
According to the passage, behavioral psychologists studying the extinction process have discerned which of the following
A.
The exact length of time required for a fear response to become extinct in a human subject
B.
The effect of tone conditioning in comparison with other forms of stimuli
C.
The possible effects of surgical operations on the infralimbic cortice
D.
The potential of tone conditioning in treating undesirable fear responses
E.
The limits of Pavlov's contribution to modern behavioral psychology
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参考解析：
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【单选题】根据宪法第61条之规定，如果有法定数量的全国人大代表的提议，可以临时召集全国人民代表大会会议。这里的法定数量是下列选项中的哪一项？( )
A.
2/3
B.
1/2
C.
1/5
D.
1/3
【单选题】Cars account for half the oil consumed in the U. S. , about haft the urban pollution and one fourth the greenhouse (温室) gases. They take a similar toll (损耗) of resources in other industrial nations an...
A.
most Americans are reluctant to switch to public transportation systems
B.
the present level of oil prices is considered unacceptable
C.
other countries will protest its increasing greenhouse emissions
D.
it should take a lead in conserving natural resources
【单选题】根据我国宪法和法律，下列选项哪一项是正确的？( )
A.
县级以上各级人大选举本级人民法院院长，须报上级人民法院院长提请该级人大常委会批准
B.
县级以上各级人大罢免本级人民检察院检察长，须报上级人民检察院检察长提请该级人大常委会批准
C.
县级以上各级人大罢免本级人民政府行政首长，须报上级人民政府行政首长提请该级人大常委会批准
D.
县级以上各级人大选举本级人民政府行政首长，须报上级党委批准
【单选题】E-mail is a convenient, highly democratic informal medium for conveying messages that （）well to human needs.
A.
adheres
B.
reflects
C.
conforms
D.
satisfies
【单选题】LAG:
A.
appear difficult
B.
alter significantly
C.
dart simply
D.
gaze about
E.
move forward
【单选题】全国人大及其常委会和国务院行使不同的职权，其中有：①批准省、自治区和直辖市的建设；②批准省、自治区和直辖市的区域划分，批准自治州、县、自治县、市的建置和区域划分；③决定全国和个别省、自治区、直辖市的戒严；④决定省、自治区、直辖市的范围内部分地区的戒严。其中，国务院行使的职权是什么？( )
A.
①②③④
B.
②③
C.
①②④
D.
②④
【单选题】EBULLIENCE:
A.
self-confidence
B.
tumult
C.
forgetfulness
D.
insensitivity
E.
self-examination
【单选题】某企业1999年11月1日收到一张商业承兑汇票，票面金额为10万元，年利息率为 6%，期限为6个月。年末资产负债表上列示的“应收票据”项目金额为( )。
A.
100000元
B.
101 000元
C.
103 000元
D.
100 500元