It can be concluded that the success of Zimride mainly lies in its ability of______.
A. persuading people to share rides
B. establishing trust among strangers
C. building a vast interpersonal network
D. finding sufficient potential customers
Artists and businesspeople routinely______.
A. despise each other
B. compete fiercely against each other
C. cooperate with each other
D. steal ideas from each other
【C15】
A. if
B. as
C. unless
D. lest
In the opening paragraph, the author introduces his topic by______.
A. bringing up a hypothesis
B. giving an example
C. tracing back the origin
D. making a comparison
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