单项选择题

EBay and Amazon are considered to be "pure Internet plays" because （）

A. you cannot visit their shops.
B. they are like big stores.
C. third-party agents can sell things there.

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热门试题

单项选择题

A. the busiest day for online shopping in America.
B. when Americans begin shopping for Christmas.
C. the first time visits to the Wal-Mart website exceeded visits to the Amazon web- site.

多项选择题

Mika thinks that non-native speakers can improve

A．both their English and their subject knowledge quickly.
B．their English knowledge quickly, but not their subject knowledge.
C．their subject knowledge quickly, but not their English.
D．neither their English nor their subject knowledge quickly.