18．If you're the kind of person who won't leave the house without a sports watch，it may soon be time to get rid of it．Inventors have issued a new digital running shirt，which has all the features of an electronic tracking device and more．
The"D-Shirt"is made from a special fabric（織物） woven with sensors，which record your heart rate，GPS location，route，speed and altitude．
The shirt，which is lightweight and washable，sends the information to an app on your smartphone by Bluetooth．The phone can store and analyze data from the fabric，showing the person's route，time，heart rate and number of calories burned．It can also help indicate when the runner is pushing himself too hard and risking the heart attack．
"We believe that our connected lives in the future should not be more complicate．They should be easier．So we are developing technology which does not require people to change their habits，"said Stanislas Vandier，deputy chief executive．"You never leave home without a shirt．So we are simply turning a T-shirt into D-Shirt．In the future，the same principle can be applied to all sorts of clothes．"
Developers are now working on heart，breath and sweat sensors，so this shirt can be particularly helpful for people in extreme conditions，such as athletes，first responders，and soldiers．It is hoped that in the future，other factors such as blood oxygen level can also be monitored using the fabric．

29．Which of the following is a feature of the"D-Shirt"？B
A．It is more accurate than a sports watch．
B．It can help the runners know when they'd better slow down．
C．It can store and analyze the runner's weight．
D．It can design routes and speed limits for the runner．
30．According to Stanislas Vandier，the idea behind the"D-Shirt"is toC．
A．use the same principles for different products
B．help people get rid of unhealthy habits
C．make life simpler through technology
D．develop affordable modern devices for ordinary people
31．We can infer from the last paragraph that the next generation"D-Shirt"would probablyA．
A．provide data for more health factors
B．read and adjust people's blood levels
C．keep you connected with the Internet wherever you go
D．drive sports records beyond people's imagination．

分析 本文是一篇科教類閱讀，主要講的是一種含有高科技的襯衣D-shirt．

解答 29-31 BCA
29題答案：B考查細(xì)節(jié)推理，根據(jù)文章第三段的It can also help indicate when the runner is pushing himself too hard and risking the heart attack．它也有助于預(yù)測什么時候跑步者太累了而且有心臟病發(fā)作的危險(xiǎn)．可知這種襯衣的一個特征就是能夠幫助跑步者知道最好什么時候該慢下來，因此本題答案為B選項(xiàng)．
30題答案：C考查細(xì)節(jié)推理，根據(jù)文中的We believe that our connected lives in the future should not be more complicate．They should be easier．我們認(rèn)為我們未來的生活不是更加復(fù)雜，而是更加簡單．可知本題答案為C選項(xiàng)．
31題答案：A考查細(xì)節(jié)推理，根據(jù)最后一句的It is hoped that in the future，other factors such as blood oxygen level can also be monitored using the fabric．
人們希望未來其它諸如血氧水平這樣的因素也能通過使用這種織物也能被顯示出來．可知本題答案為A選項(xiàng)．

點(diǎn)評 本文是一篇科教類閱讀，題目涉及多道細(xì)節(jié)理解題，做題時結(jié)合原文和題目有針對 性找出相關(guān)語句進(jìn)行仔細(xì)分析，結(jié)合選項(xiàng)選出正確答案．推理判斷也是要在抓住關(guān)鍵句子的基礎(chǔ)上合理的分析才能得出正確的答案．

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