【单选题】For years, Europeans have been using 'smart cards' to pay their way through the day. They use them in shops and restaurants, plug them into pubic into telephones as and parking meters. In France smart...
A.
Probably because American have got used to ATM bank cards or stored -value cards.
【简答题】This is my 20 wine tasting cup. First, I have to see the color of the wine. I have to make sure that it has good color. And also, feel the aroma of the wine. The 21 is to taste the wine. In my mouth, ...