A．termingB．identifyingC．ascertainingD．classifying
A. terming
B. identifying
C. ascertaining
D. classifying
In the fifth paragraph, the writer says that
A. all retailers have made multichannel shopping possible.
B. conventional retailers may eventually promote their sales in stores.
C. conventional retailers shift their focus to online sales.
D. there is no change in a customer's shopping style.
The phrase "Tuskegee machine" (Line 3, Para. 1) most probably refers to
A. the established educational system.
B. a kind of tool.
C. the thoughts of Booker T. Washington.
D. the supporters of Booker T. Washington.
【C18】
A. reasonable
B. useful
C. worthwhile
D. meaningful
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