阅读理解

    Mr. Zhang is on business in France. Here is the hotel card for him.

Usage(用途):

    Keep the card close to the response zone(反应区) on the door until(直到) the green light is on. Then open the door.

Notice(注意):

    Take the card with you. It will be a help if you get lost. If the card is lost during your stay in the hotel, please call our Service Center. Give the card back to the Service Center when you check out.