Chinese are the first people to have tea. One thousand and two hundred years ago, Lu Yu wrote a book called "The Classic of Tea",  {#blank#}1{#/blank#} is honored as "The Bible of Tea". The book gives a detailed {#blank#}2{#/blank#} (explain) of the origin, the processing skills and the classification of tea.

    However, Chinese tea culture goes far beyond tea {#blank#}3{#/blank#} (it). Take green tea for instance, the ideal temperature of the water should be around 80℃. If the water is too hot, nutrients（营养）in the tea {#blank#}4{#/blank#} (destroy). On the other hand, if the water is not hot enough, the tea {#blank#}5{#/blank#} (leaf) won't open up and you will miss the pleasantly fresh flavor. So Chinese people are accustomed {#blank#}6{#/blank#} drinking hot tea. When you visit a Chinese friend, your friend will {#blank#}7{#/blank#} (constant) add hot water to your emptying cup of tea. It is polite {#blank#}8{#/blank#} (offer) the tea cup to guests with both hands. Of course, the guests should pay respect as well {#blank#}9{#/blank#} (take) over the cup with both hands.

    Talking about adding water to the tea cup, there is {#blank#}10{#/blank#} saying: wine full, full cup. Tea half, half cup. For wine, full cup symbolizes whole heartiness. For tea, half, it means modesty.

    Domestic robots such as the Roomba have already established themselves in the marketplace. Common household appliances such as toasters and microwaves {#blank#}1{#/blank#}(fit) with microprocessors, effectively making them robots, which are bound to do as ordered. The military has begun automating (自动化) many of its frontline systems. The future is wide open for more exploration of these{#blank#}2{#/blank#}(device).

    Automatic factories were some of the first to implement (实施，运用) robotics on the assembly line, performing tasks too dangerous or delicate for humans{#blank#}3{#/blank#}(accomplish). This has continued with whole factories{#blank#}4{#/blank#}(begin) to be automated. IBM has instituted a “lights off' factory in Texas that is {#blank#}5{#/blank#}(complete) automated. Recently Caterpillar{#blank#}6{#/blank#}(announce) plans to operate robotic heavy machinery by 2021, and has already begun transferring much of their crane operations to remote-controlled robots{#blank#}7{#/blank#}obey the orders from computer directions. The medical industry has taken advantage {#blank#}8{#/blank#}robotic surgery assistants for years, most notably the Da Vinci surgical (外科的) helper. With rising health care costs{#blank#}9{#/blank#} the increasing needs of an aging population, hospitals are planning vast expansion in the areas of {#blank#}10{#/blank#}(talent) robotics.

    At first glance, SoFi looks exactly like a real fish. But if you look {#blank#}1{#/blank#}(close), it's not hard to spot the truth: SoFi is a robot, or as {#blank#}2{#/blank#} (it)MIT developers call it, “ a soft robotic fish”, according to BBC news.

    SoFi {#blank#}3{#/blank#} swim, turn and change speeds just like a real fish, and more {#blank#}4{#/blank#} (importance), it can take high-resolution photos and videos with a camera {#blank#}5{#/blank#}(build) into its nose. The robot's “ soft artificial muscle” is made of a type of rubber, it has two side fins(鳍)for waving, {#blank#}6{#/blank#} its nose also hides important electrical components(组成部分).

    The team at MIT developed SoFi to swim among real fish to explore where few other robots or humans can, reported the Los Angeles Times. It {#blank#}7{#/blank#}(operate) with a waterproof video game controller by someone {#blank#}8{#/blank#} can be up to 21 meters away.

According to its leading {#blank#}9{#/blank#}(create) Robert Katzschmann, SoFi, pronounced like the girl's name “Sophie”, is an abbreviation(缩写)of soft fish— and was named {#blank#}10{#/blank#} a girl he had a crush(暗恋)on in high school.

    The story happened in ancient times. A king was so clever that he thought of a good way to test {#blank#}1{#/blank#} his men were reliable.

    One day, he had a huge rock {#blank#}2{#/blank#} (place) on a roadway at night. Then he hid {#blank#}3{#/blank#} (him) nearby and watched carefully to see if anyone would remove the big rock. Some {#blank#}4{#/blank#} (wealth) businessmen and high officials came by, but they simply walked around it. Many of them even loudly blamed the king for not keeping the roads clear, but none of them would bother {#blank#}5{#/blank#} (get) the big stone out of the way.

    Then a villager came along carrying a load of vegetables. On {#blank#}6{#/blank#} (approach) the big rock, he stopped and laid down his burden, trying hard to move the stone to the side of the road. After much pushing, he {#blank#}7{#/blank#} (final) succeeded. As the villager picked up his load of vegetables, he noticed a purse lying in the road where the rock {#blank#}8{#/blank#} (be). The purse contained many gold coins and a note from the king, saying that the gold was for the person {#blank#}9{#/blank#} removed the huge rock from the road.

    The villager learned a valuable lesson that many others would never understand: Every obstacle presents {#blank#}10{#/blank#} opportunity to improve one's condition.