(量) down. Open a window rather than turning on the air-conditioner. If you have to use it, put... cards (信用卡) bills, help your parents to do it online. By not using paper, you are saving trees. It also ……

你知道在智慧城市里生活是什么样子吗？YOU may know a lot about smartphones. But what about smart cities? What are they? What can people do in a smart city? Let’s find out.Imagine living your life like this: When you ……

新的) resource, you can grow more.Q: How does the Smart Home use the power of the sun?A: The house uses...Take a peek inside an eco-friendly Smart HomeWHAT kind of house will you buy in the future?Would ……

to cause less pollution. Recently scientists have been looking more closely at how the wind or sun can... cold air rushing in when the window is closed, then you are wasting energy.Windows used to be made from ……

light changes.One important thing that makes a smart window is that it has a sort of “memory”. All... of the window. The amount of electricity needed to power a smart window is very small. So it should ……

light changes.One important thing that makes a smart window is that it has a sort of “memory”. All... of the window. The amount of electricity needed to power a smart window is very small. So it should ……

window that acts just like sunglasses. “We wanted the smart window to dynamically (动态地) control... reactions (化学反应) that lighten or darken the glass. When darkened, the window can keep out more than ……

designed a bag for a US fashion brand in 2010 to raise money for charity.Chung always keeps a low profile... (《爱神》), a movie that came out on March 8. But acting is not the only thing that has captured (俘获 ……

it. The window can help make the best use of natural light. Even the cooker runs on sun power!A house where... the Museum of Science and Industry (工业) in Chicago has a show of smart houses like this.The house can ……

out of their mouths, as if they are speaking underwater.But it's not just the glass. It's the tedium of having to go to the bank for everything under the sun. Need to pay the phone bill? Go ……

  再见，好朋友们再见，好朋友们I sit in my classroom and look out the window.The rain falls from the sky... and look out the window.The rain falls from the sky and the breeze (微风)blows.Many years ago, I used ……

?" The guy with the umbrella replies, "Yeah, but it keeps me out of the sun! By the way, why are you... is on a collision course with it. He sends out a signal: "Change your course 10 degrees to the east ……

are they? What can people do in a smart city? Let’s find out.Imagine 2.________ your life like this: When... out of insects.C. Reasons for using insects for food.D. The popularity of insect foods.4. What did ……

cases, the official said. Their low status in the university also keeps them from being very motivated... as pulling a tooth. It turned out to be painful. And it caused him more than two months of embarrassment.He ……

invented three “smart” wallets that tell you when you are low on cash. According to the UK’s Daily Mail, one wallet can physically shrink (收缩) when your bank balance is low, in an effort to discourage you ……