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电子商务的组成要素包括( )、用户、认证中心(CA)、( )、网上银行( )。
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【简答题】Write about the following topic: In some modern societies, it has been observed that the elderly are not duly respected. Discuss the reasons for this and the effects that it can have on society. Give ...
【单选题】The celebration of Thanksgiving Day has been observed to thank ______.
A.
God
B.
their ancestors
C.
their parents
D.
the Pilgrims
【简答题】What encouraging sign has been observed by experts about Venice?
【单选题】A Pike has, been observed to live, according to Gesner, as long as ______.
A.
any other fresh - water fish
B.
forty years
C.
it has the help of the sun's heat
D.
two centuries
【单选题】What does 'advance religion through government-supported religious indoctrination' (Line 5, Para. 3) mean?
A.
Promote religious ideas in public schools with government support.
B.
Collect government resources to support religious activities.
C.
Help religious schools use public fund to spread religious ideas.
D.
Allow religion to interfere with government work.
【单选题】5 An important part of the national government is the Foreign Service，a branch of the Department of State．
A.
tree
B.
division
C.
root
D.
leaf
【单选题】The celebration of Thanksgiving Day has been observed to thank ______.
A.
God
B.
their ancestors
C.
their parents
D.
the pilgrims
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