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單項(xiàng)選擇題

（） is the oldest and fastest-growing form of e-commerce, which allows e-business to collaborate, partner, and share research and complex data with other businesses.

A.B2B
B.C2C
C.B2C
D.C2B

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單項(xiàng)選擇題

In the initial stage of Alibaba, the （） threshold was taken to attract companies for free membership.

A.slow
B.fast
C.high
D.low

單項(xiàng)選擇題

Details of the proposed offering are disclosed to potential purchasers in the form of a lengthy document known as a （）.

A.prospect
B.decision
C.prospectus
D.award