单项选择题

A．Consumers can compare prices and make purchases without leaving their homes.
B．E-commerce offers buyers convenience.
C．Consumers can immediately obtain, a product or service.
D．Consumers can test the comfort of an expensive item.
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单项选择题
A．Do business in stores.B．Do business over networked computers.C．Buyers and sellers come together to exchange goods for money.D．Do business through mall order catalogs and telephone operators.
A．Do business in stores.
B．Do business over networked computers.
C．Buyers and sellers come together to exchange goods for money.
D．Do business through mall order catalogs and telephone operators.
单项选择题
A．The mail was sent back to the post office.B．He doesn’t have anything to drop in the mailbox.C．It’s too soon to go hack there.D．The post office is closed for an hour.
A．The mail was sent back to the post office.
B．He doesn’t have anything to drop in the mailbox.
C．It’s too soon to go hack there.
D．The post office is closed for an hour.
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