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【单选题】
副交感神经兴奋时引起A.
胃肠平滑肌活动增强,消化腺分泌减少
B.
胃肠平滑肌活动减弱,消化腺分泌增加
C.
胃肠平滑肌活动增强,消化腺分泌增加
D.
胃肠平滑肌活动减弱,消化腺分泌减少
E.
胃肠平滑肌变化不明显,消化腺分泌增加
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【单选题】One of the most interesting of all studies is the study of words and word origins. Each language is【1】of several earlier languages, and the words of a language can sometimes be traced【2】through two or...
A.
collected
B.
made
C.
contained
D.
composed
【单选题】Unlike the origins of most nations, America’s origins are not ______ in the mists of time.
A.
far away
B.
taken after
C.
obscured
D.
viewed
【简答题】On the origins of racism 1_____ over the origins of racism often suffer from a lack of clarity over the term. Many mix recent forms of racism with earlier forms of 2_____ and national conflict. In mos...
【判断题】The origins of etiquette—the conventional rules of behavior. and ceremonies observed in polite society—are complex. One of them is respect for authority. From the most primitive times, subjects(臣民) sh...
A.
正确
B.
错误
【单选题】I ___ on my report next week so I won’t be able to meet you any day.
A.
am working
B.
will be working
C.
was working
D.
have been working
【单选题】The Origins of Theater In seeking to describe the origins of theater, one must rely primarily on speculation, since there is little concrete evidence on which to draw. The most widely accepted theory,...
A.
changed
B.
debated
C.
created
D.
supported
【判断题】The theories about the origins of language are not at most a speculation.
A.
正确
B.
错误
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