The four great inventions in ancient China are well-known by everyone. .They show their abilities to change the world. They are high-speed railways, e- lectronic(电子的)payments, shared bicycles and online shopping.
Marcus talked about his experience of travelling by Chinese high-speed train from Beijing to Tianjin. But it used to take him 3 hours.
"I can buy and eat whatever I want with Alipay( mobile payment ) on the phone, "said a Chinese student, adding that "even pancake sellers are using Alipay. "
The bikes themselves are not new, but the model of bike-sharing is a combination(结合)satellite navigation system(卫星导航系统)，mobile payment and other high technologies.
And they are making public transport(交通) more convenient, and encouraging people to be more active.
With the development of the Internet, shopping on the Internet has become popular in our life. Shop- ping on the Internet has a lot of advantages(优点)， of which the most important point is perhaps its convenience.50.
These are the new four great inventions in our modern times. These services have increased national development at the same time.
A. My wallet is no longer in use.
B. The journey takes only half an hour.
C. Today China has its "new four great inventions".
E. Shared bikes are bringing riding back to people's life.
E. People don't have to waste a lot of their energy or time to choose the goods they like.
