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题目内容
（大学英语第二册）
18. Which of the following is assumed to be a good way to ensure safety of online
shopping?
A. Avoiding using credit cards.
B. Tracking possible fraudsters.
C. Depositing money in a bank.
D. Improving the banking security system.
shopping?
A. Avoiding using credit cards.
B. Tracking possible fraudsters.
C. Depositing money in a bank.
D. Improving the banking security system.
参考答案