问答题 Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be done at normal speed, listen and try to understand the meaning. For the second and third readings, the passage will be read sentence by sentence, or phrase by phrase, with intervals of 15 seconds. The last reading will be done at normal speed again and during this time you should check your work. You will then be given ONE minute to check through your work once more.

【正确答案】

【答案解析】[听力原文]

Online Shopping

The world of electronic commerce, also known as e-commerce, / enables consumers to shop at thousands of online stores and pay for their purchases / without leaving the comfort of home. / For many, the Internet has taken the place of Saturday afternoon window shopping at the mall. / However, the same things can go wrong in cyberspace as in the real world. / Sometimes it is simply a case of a computer bug or poor customer service. / Other times, shoppers are cheated by clever scam artists.