问题补充：
A few years ago, David had the idea of selling CDs over the Internet. He started his work from his home. Now he sells over 500,000 CDs a year and has made himself into a millionaire(百万富翁), at the age of 24.
“I could see that this was the future of shopping,” says David. “Why should you pay $15 for a CD and spend the time and the money going into the shop? You know sometimes you have to find a place for your car too. You can have the same CD for half of the price by clicking on your computer. And we can find any CD you want and bring it to your door in 24 hours!”
David said this is the only beginning, “One day we’ll do our shopping over the Internet: it’s easier, quicker and cheaper. Shops and supermarkets will be the past.”
【小题1】How has he become a millionaire? A．By making new supermarkets. B．By making advertisements. C．By selling ideas to others. D．By selling CDs on the Internet.【小题2】If you pay $15 for a CD in the shop, how much should you pay for it on the Internet? A．$15. B．$12. C．$7.5. D．$30.【小题3】By shopping on the Internet, you won’t .A．spend any time or money B．drive your car any more C．click on your computer D．get into the shop by yourself【小题4】What can we learn from the passage? A．More than half of the people like to shop on the Internet.B．Shops and supermarkets will be the past in the future. C．Some people don’t like to go shopping over the Internet. D．It’s easier, quicker and more expensive to do our shopping over the net.D
答案：
(答案→)D
解析：这篇短文主要介绍了几年前,大卫在互联网上出售CD并使自己成为一个百万富翁。有一天我们会在互联网上购物:这将更容易,更快、更便宜。商店和超市时代会成为过去。
【小题1】细节理解题。根据短文第一段Now he sells over 500,000 CDs a year and has made himself into a millionaire(百万富翁),可知现在他每年销售超过500000张,使自己成为一个百万富翁。故选D。
【小题2】细节理解题。根据第二段You can have the same CD for half of the price by clicking on your computer.通过点击你的电脑你可以用一半的价格买到相同的CD。故选C。
【小题3】推理判断题。根据短文描述可知网上购物，只需要点击电脑，不用亲自去商店，故选D。
【小题4】细节理解题。根据Shops and supermarkets will be the past可知商店和超市将成为过去。故选B。
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