4. If you are going on a ski adventure, which device do you need?

　　A. The cloth keyboard.

　　B. The electronic ski jacket.

　　C. The necktie to be used as a mouse.

　　D. The denim jacket with earphones.

　　【解析】选B。细节理解题。根据倒数第二段最后两句话The ski jacket is also programmed to send signals to a satellite. This technology is known as global positioning system and can be used to track lost skiers and wandering kids. 可知。

　　5. The main purpose of the text is ________ .

　　A. to advertise for an English company

　　B. to predict the future trend of science

　　C. to show how rapidly science develops

　　D. to introduce some intelligent clothing

　　【解析】选D。主旨大意题。通读全文可知作者是向我们介绍几种智能的衣服、布料等。

　　B

　　(2017·南京师大附中模拟)

　　Consumer electronics once again topped the list of the most wanted gifts this holiday season. “Seventy-six percent of consumers who plan to buy holiday gifts say that they will spend money buying at least one technology product; definitely a solid vote of confidence for technology. ”Steve Koenig is with the Consumer Electronics Association. He says the group’s latest research also shows that Americans this year are spending more on technology products.

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