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【简答题】
有一位科学家曾做了一个这样的实验: ①图1给狗喂食,引起狗分泌大量唾液. ②图2使狗听到铃声,狗没有分泌唾液 ③图3先使狗听到铃声,随即给狗喂食,如此重复多次. ④图4经过③训练后,当只给予铃声而不喂食时,狗也会有大量唾液分泌. (1)上述实验中给狗喂食,狗吃食物会分泌唾液的反射属于______反射.(填“简单”或“复杂”) (2)经过训练出生以后的小狗能够对铃声作出分泌唾液的反应,这属于______反射,此时的铃声是条件刺激. (3)如果要使已经建立起来的复杂反射长时间保持下去,还需要经常使______刺激与条件刺激结合.否则,已建立的条件反射将逐渐______.
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【简答题】公元6世纪(北魏时期),我国贾思勰的巨著( )详细记载了制曲、酿酒、制酱和酿醋等工艺?
【多选题】自我概念与消费行为之间的关系包括( )
A.
出于自尊动机,人们会倾向于购买那些可以提升自我概念或者自我形象产品 。
B.
出于自我一致性( self-Consistency )动机,人们倾向于购买那些与自我概念相一致,或者维持自我概念的产品 。
C.
人们拥有多个社会角色,人们在不同的角色里使用不同的产品和服务 。
D.
我们可以通过获取和展示那些大家达成了共识的,与身份相关的符号来完善自我概念 。
【多选题】What are the advantages of using fiber-optic cable over copper cable? (Choose three.)
A.
Copper is more expensive
B.
Immunity to electromagnetic interference
C.
Careful cable handling
D.
Longer maximum cable length
E.
Efficient electrical current transfer
F.
Greater bandwidth potential
【简答题】公元6世纪(北魏时期),我国贾思勰的巨著《______》详细地记载了制曲、酿酒、制酱和酿醋等工艺。
【单选题】单式记账凭证是指在一张凭证上( )的凭证
A.
只填写一项经济业务
B.
只填写一个会计科目
C.
只写一个金额
D.
只填两个会计科目
【判断题】The longer the cable the higher the CCC
A.
正确
B.
错误
【单选题】A client asks a technician to add a DVD+R burner to a computer system. The technician does this and successfully tests the drive. Three weeks later, the client calls and says that the burner is no lon...
A.
check for a faulty IDE cable
B.
be sure that the DVD+R is formatted before using it
C.
check for incompatible media
D.
re-install the DVD burning software
【简答题】By late last week, there were more than 4,800 cases of SARS in 27 countries and 293 deaths - small numbers in the scheme of global threats. Many people couldn’t help but wonder if health officials and...
【单选题】A workstation no longer has network connectivity. Upon visual inspection, all connectors andsettings seem to be properly configured. Which of the following tools should the technician use to troublesh...
A.
PSU tester
B.
Loopback plug
C.
Cable tester
D.
Multimeter
【单选题】A Bridge for Squirrels San Francisco has its cable cars. Seattle has its Space Needle. And, Longview has its squirrel bridge. The bridge, which has attracted international attention, is now a local l...
A.
It was replaced by a longer one
B.
It was built from wood and metal
C.
It was rebuilt after years of use
D.
It was designed by Bill Hutch
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