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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Part AThere are three reading passages in this part. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You should decid...
A.
selling online involves little risk
B.
Internet retailing is in its initial stage
C.
it can easily reach millions of consumers
D.
they can make huge profits from it