题型：阅读选择 题类：常考题 难易度：普通
辽宁省大石桥市水源二中2015-2016学年七年级上学期英语期末考试试卷
Computers are very popular with students now. It's very easy for them to surf the Internet(网上冲浪)．Most of them go to the Internet bar and spend more than two hours there. They can do their homework，get some information for their study，download music，and send emails on the computer. But some of them spend too much time playing computer games，and it is bad for their study.
Useful Technologies
| Can you wear your phone on your wrist? Well, now you can. Smart watch has a square screen and comes with many wonderful features. For example, it can tell the user's heart rate. And you can make calls with it. However, it only works together with a smartphone or pad. And with prices from $349 to $17000, many people may put off buying one. |
| Are you still using a thermometer to take your temperature when you have a fever? You're out! Now try using the Temtarq. It is as thin as a piece of paper. You don't have to put it under your armpit（腋窝）or hold it in your mouth. You just need to stick it under the arm. And you can get the information of your body temperature from an app on your phone. It's really convenient. |
| It's hard to keep coffee or tea warm, especially in winter. But this smart mug can solve this problem. There is an app for the mug that allows people to set the mug to a certain temperature between 48℃ and 62℃. Then, the mug keeps your coffee or tea at that temperature for about an hour, and even longer if you put the mug on a charging plate. |
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