皮皮学，免费搜题
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【判断题】
在两种媒质的分界面上,标量电位函数始终是相等的。A.
正确
B.
错误
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举一反三
【单选题】______refers to the abstract lingusitic system shared by all the members of a speech community.
A.
Parole
B.
Langue
C.
Competence
D.
Performance
【单选题】In politics, astronauts are generally______.
A.
democrats
B.
republicans
C.
conservatives
D.
communists
【简答题】动物细胞培养基的灭菌方法为 。
【简答题】动物细胞培养基的灭菌方法为高压灭菌。
【单选题】Why is it that the global telegraph network truly revolutionary?
A.
It renders virtual communities worldwide feasible.
B.
It facilitated the breakup of pervasive provincialism.
C.
It makes real time global news service possible.
D.
It accelerated the liberalization of world trade.
【单选题】These sessions mark the achievements of mankind in the fields of ______.
A.
electronic communications, energy and education
B.
sports technology, film-industry and environmental protection
C.
network technology, high-tech industries and traffic
D.
medicine, weather broadcast and finance
【简答题】管理工作的内容包括了 决策, , , 以及创新 等一系列工作。
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