1 . Those who are concerned that robots are taking over the world can rest easy—for now. Though the androids have proved useful at performing ordinary tasks, they are not ready for the greatest time. At least that appears to be the case at Japan’s Henn-na Hotel chain where over half of the robot staff are being replaced by humans.
The first location of the unique hotel opened in July 2015 was at Nagasaki’s Huis Ten Bosch Theme Park. The hotel’s owner, Hideo Sawada, promised the hotel to be managed primarily by robots. Guests were greeted and checked-in by a dinosaur robot, while a cute android called Churi, placed inside each room, provided information about attractions. Not surprisingly, the lodging, recognized in 2016 as the world’s first robot-staffed hotel by Guinness World Records, drew in curious visitors from all around the world.
But as the years have passed, the hotel’s main draw is becoming less novel and more unsatisfactory. Also as the robots are “aging”, they are costing more to repair. Among the 283 androids being replaced are the chain’s two dinosaur receptionists. In addition to scaring young guests, they are also unable to photocopy guests’ passports, forcing human employees to step in each time. Also out are the cute Churi robots, which annoyed guests by interrupting their conversations. For example, one guest told The Wall Street Journal that Churi mistook his snoring for a command and kept asking him to repeat his request all night.
Sawada told The Wall Street Journal, “When you actually use robots you realize there are places where they aren’t needed—or just annoy people.” While Sawada may be cutting back on his use of androids, the recently-opened Smart LYZ Hotel and the Fly Zoo Hotel in China, are run entirely by robots, with not a human in sight. Whether the employees have more competence than those “hired” by the Henn-na Hotel chain remains to be seen.
1. What makes Japan’s Henn-na Hotel unique?| A．Its robot employees. | B．Its advanced equipment. |
| C．Its convenient location. | D．Its successful management. |
| A．To entertain readers. | B．To prove Churi’s drawback. |
| C．To introduce Churi’s functions. | D．To persuade people not to book the hotel. |
| A．Attractive. | B．Costly. |
| C．Pioneering. | D．Disappointing. |
| A．Robots Are Taking Over the World. |
| B．The Boom of Robots-staffed Hotel. |
| C．Robot Staff Are Fired For No Competence. |
| D．The First Robots-staffed Hotel Won Guinness World Record. |
2 . Imagine being face-to-face with a woolly mammoth (猛犸象) . It would be quite a sight. Scientists believe it would tower above 11 feet tall and have a sloping back, a long, powerful trunk, and sharp, curved tusks that stretch up to 10 feet. Its thick hair would be up to three feet long. It would weigh six tons—about as heavy as a bus.
You’ve probably never seen a giant furry elephant before. Actually, you definitely haven’t. The species has been extinct for thousands of years.
But a few years from now, you might be able to see a woolly mammoth in person. Scientists believe they have the technology to recreate it.
A team of South Korean and Russian scientists plan to clone a woolly mammoth. How will they do it?
Several woolly mammoth bodies have already been discovered in Siberia, an icy region in Russia. The scientists plan to take cells from these frozen mammoths. In a laboratory, they’ll use them to create a new cluster (群) of cells called an embryo. The embryo will be placed into the womb of a living female elephant. That elephant will then give birth to a baby woolly mammoth.
The scientists believe the whole process will take five years. Many scientists and animal lovers can’t wait. It will be so exciting to be able to bring a creature that has been extinct for thousands of years back to life. People would travel from around the world for the chance to see a living woolly mammoth. By observing the way the creature looks and acts, scientists might make brand-new discoveries about the history of animal life.
Other experts aren’t so sure about the woolly mammoth project. One big question is what to do with a mammoth. The Earth has changed in the thousands of years since these animals roamed the planet. Where would the creature live, and would it be able to survive in today’s climate ? Some believe that the money being spent on the experiment could be better spent on other important scientific projects, such as fighting diseases.
But the South Korean and Russian scientists are sticking to their plan. They admit they have a big challenge ahead. There is no guarantee that they will succeed, but they’ re hopeful.
1. The first paragraph describes the mammoth’s ________.| A．habitat | B．food |
| C．appearance | D．lifespan |
| A．Whether they have enough money for the project. |
| B．Whether the mammoth can adapt to the new environment. |
| C．Whether the mammoth can survive the modern diseases. |
| D．Whether their plan wins support from the public. |
| A．negative | B．disapproving |
| C．optimistic | D．doubtful |
| A．Scientists are finding ways to deal with mammoths. |
| B．Scientists try to find out the history of animal life. |
| C．Scientists plan to bring the mammoth back to life. |
| D．Scientists pay little attention to the return of the mammoth. |
3 . It‟s no secret that American infrastructure is aging. Concrete(混凝土) structures, in particular, are in desperate need of repair.
Cracks (缝隙) are very common due to various chemical and physical phenomena that occur during everyday use, which can be quite harmful as they provide an easy route in for liquids and gasses and the harmful substances they might contain. But continuous repair work is difficult because it usually requires a huge amount of labor and investment. So since 2013, I‟ve been trying to figure out how these harmful cracks could heal themselves without human involvement. The idea was originally inspired by the amazing ability of the human body to heal itself of cuts, bruises and broken bones. In the same way, can we provide necessary products to concrete to fill in cracks when damage happens?
My colleagues from Binghamton University and I have found an unusual candidate to help concrete heal itself: a fungus (真菌) called Trichoderma reesei. We initially screened about 20 different species of fungi in order to find one that could stand the difficult conditions in concrete. Of all the fungi we tested, only T. reesei could survive this environment. Despite the sudden PHincrease, its spores (孢子) developed into threadlike things and grew equally well with or without concrete.
We propose including fungal spores, together with nutrients, during the initial mixing process when building a new concrete structure. When the unavoidable cracking occurs and water finds its way in, the sleeping fungal spores will start to grow. They then will work as an activator within the calcium-rich conditions of the concrete to promote precipitation (析出) of calcium carbonatecrystals. These mineral deposits can fill in the cracks. If cracks form again and environmental conditions become favorable, the spores could wake up and repeat the process.
Our research is still in the initial stage and there’s a long way to go to make self-healing concrete practical and cost-effective. But the scope of American infrastructure’s challenges makes exploring creative solutions like this worthwhile.
1. Why does the author mention the self-healing of human body?| A．To show how amazing human body is. |
| B．To prove everything will turn out to be fine. |
| C．To provide a possibility of concrete healing itself. |
| D．To stress that it’s unnecessary to have medicines. |
| A．It has been applied to building a new concrete. |
| B．It can bear the tough conditions in concrete. |
| C．Its spores will be useless after one repair. |
| D．It poses potential risks to environment. |
| A．The challenges of American infrastructure. | B．The research on self-healing concrete. |
| C．The process of cracking. | D．The promotion of spores. |
| A．The Danger of Cracks | B．The Aging of American Infrastructure |
| C．The Most Powerful Fungus | D．Concrete Filling Its Own Cracks |
