a specialdiscount(折扣)?Safeway, the third-largestgrocer(百货店) in the US, is testing such smart shopping carts in two....Safeway isn't the first grocer to test smart shopping carts. Last year, another US grocer called Hy-Vee ……

of Colombia (哥伦比亚). The history3 of the race goes back 28 years. Local4 people make roller carts by themselves every year. The carts come in different colors, sizes and shapes5. Racers (参赛者) get ……

. Every year, people there make roller carts by themselves. They usually use old bikes and trollies (手推车) to make the carts. The carts come in different colors, sizes and shapes (形状). People in the race ……

会自动刹车的超市购物车Some naughty kids like pushing shopping carts (购物车) in supermarkets. This can be dangerous. US car company Ford can solve this. Ford made a new kind of shopping cart. It has sensors (传感 ……

. To make money.C. To keep them safe.2. What is a dog for a child?A. A smart teacher.B. A playing.... They can play with them.C. They make them feel safer. ……

production safer.Smart industries make production safer.         ... means a more interactive (互动的) city administration (管理) and safer public spaces.The idea of smart ……

of children took part in the race. They usually make the carts with their parents’ help. The event... took part in the race. They usually make the carts with their parents’ help. The event has been ……

in a downhill (下坡的) race. On Dec 17, hundreds of children took part in the race. They usually make the carts... (下坡的) race. On Dec 17, hundreds of children took part in the race. They usually make the carts ……

things better for them. Zhang is working to make electric scooters (电动车) safer on the roads in Wuhan.... Zhang is working to make electric scooters (电动车) safer on the roads in Wuhan. This is important ……

;internet of things” (IoT) to make everyday life safer and more convenient. Cities like Boston... be changed to green to help them reach the hospital faster.In Shanghai, smart tech is being used to make ……

. How to make it safer?(A2-A5)True or false 原来如此Are deserts always hot? Do goldfish forget things...神奇猪宝贝People often think pigs are stupid. But actually, they are quite smart. Let’s get ready ……

efficient.Smart industries make production safer and more efficient.    ... a more interactive city administration (管理) and safer public spaces.The concept of smart cities dates ……

projects, the most interesting one was the “Paper cart (小车) race”. Students made carts out of cardboard (硬纸板) and paper. The carts had to be tough enough to hold a person and run as fast as possible ……

projects, the most interesting one was the “Paper cart (小车) race”. Students made carts out of cardboard (硬纸板) and paper. The carts had to be tough enough to hold a person and also run as fast ……

The Paper, “Thanks to the smart factory, we have been able to make things 40 percent cheaper.”Teway Food... of the company, Yu Zhiyong, told The Paper, “Thanks to the smart factory, we have been able to make things 40 ……