单项选择题

Logging is not banned chiefly because

A．scientists are overestimating the damage.
B．people benefit economically from it.
C．some creatures are only threatened but not endangered.
D．it provides jobs to the consumers.

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单项选择题

Mr. Magee’s attitude towards using videos in E-commerce seems to be

A．skeptical.
B．critical.
C．supportive.
D．confused.

单项选择题

The example of a customer buying a handbag is used to show that

A．visual confirmation and product specifications help improve online sales.
B．online shopping has its own advantages as well as disadvantages.
C．women are more attracted to photographs of products than men buyers.
D．photographs often help to increase immediate sales by at least 10 percent.