问题
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The direct reason for specialization is______.A.the development in scientific activitiesB.
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Electronic commerce may be defined as the entire set of processes that support ______ acti
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The government______a public debate on the future direction of the official sports policy.
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The government ______ a debate on the future direction of the official sports policy.A.ini
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The Peasant Uprising of 1381 did not direct against______.A.the rich clergyB.the lawyersC.
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_________ is the direct exchange of goods or serv