Another useful garment is the shirt-cum-mobile phone. This handy invention enables drivers to chat comfortably with others at the wheel! Other popular electronic wear includes the denim(牛仔布)jacket with flexible earphones sewn into the hood(风帽)and the electronic ski jacket with a built-in heater. 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.

　　Having completed the cloth keyboard, scientists have already started to work on a new project—a necktie that can be used as a computer mouse. What is the next? Do you have any idea?

　　【文章大意】本文是一篇科技说明文。主要介绍了一些高科技的布料、衣服等, 这些新发明有各种各样的功能, 比如打电话、听歌。

　　1. The electronic garments are similar to other electronic devices in that　.

　　A. they feel smooth and soft

　　B. they use electricity as power

　　C. they can be washed in water

　　D. they are made from flexible materials

　　【解析】选B。细节理解题。根据第三段第三句话Like any electronic device, these high-tech clothes have to be powered. 可知, 像其他电子产品一样, 这种高科技的衣服也必须用电来作为动力。

　　2. How will researchers improve these high-tech clothes?

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