In a busy and stressful town, there was a large square with many trees around. There the collectors came together. These were people who were busy making a living by collecting things that other people had thrown away.
There were pan-collectors, book-collectors and shoe-collectors complaining about the burden of their life on their shoulders.
One day an old man came into the village asking where the collectors’ square was. He carried a large bag, but didn’t seem to be burdened by its weight. Finally, he found the square, and he decided to stay in one corner.
Naturally, the collectors discovered there was a new collector in town, and they asked about what he had in the bag. He simply told them there was nothing in it but his lunch and a raincoat in case it rained. “You mean, you don’t have a collection of some kind?” they asked. “Aren’t you a collector?”
“Oh, yes,” he said. “I’m a care-collector. But what I collect does not fit in a bag or a box. I offer to collect people’s care like worries, sadness and difficult times-all kinds of things that weigh them down, and they feel better.”
Quickly, one pan-collector asked him how he collected care, and he replied. “Well, there is probably something in your life that troubles you right now. Just tell me about it and I will add it to my collection.”
注意：1.续写词数应为150左右；2.请按如下格式在答题卡的相应位置作答。
“Can I have a try?” asked the pan-collector doubtfully.
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Soon words spread, and there were a group of people coming to the care-collector.
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________2 . The US scientists at the University of Vermont and Tufts University who created the first living robots say the life forms, known as xenobots, can now reproduce — and in a way not seen in plants and animals.
Formed from the stem cells of the African clawed frog (Xenopus laevis) from which it takes its name, xenobots are less than a millimeter (0.04 inches) wide. The tiny blob were first brought out in 2020 after experiments showed that they could move, work together in groups and self-heal.
“I was shocked by it,” said Michael Levin, a professor of biology and director of the Allen Discovery Center at Tufts University who was co-lead author of the new research, adding that when you free the cells from the rest of the frogs’ embryo(胚胎) and you give them a chance to figure out how to be in a new environment and a new way to reproduce.
“In that way it’s a robot but it’s also clearly an organism made from genetically unmodified frog cell.” said Josh Bongard, a computer science professor and robotics expert at the University of Vermont and lead author of the study.
Bongard said they found that the xenobots, which were initially sphere-shaped and made from around 3,000 cells, could replicate(复制). But it happened rarely and only in specific situations. The xenobots used “active replication” — a process that is known to occur at the molecular(分子的) level but has never been observed before at the scale of whole cells or organisms.
The xenobots are very early technology — think of a 1940s computer — and don’t yet have any practical applications. However, this combination of molecular biology and artificial intelligence could potentially be used in a host of tasks in the body and the environment, according to Bongard. This may include things like collecting microplastics in the oceans, inspecting root systems and regenerative medicine.
1. What can we learn from the first two paragraphs?| A．American scientists found that African clawed frog can reproduce. |
| B．Xenobots got its name because they are less than a millimeter wide. |
| C．Xenobots are an entirely new life form different from any animal or plant. |
| D．African clawed frog could move, work together in groups, self-heal and reproduce. |
| A．He was surprised by what have been found. |
| B．Xenobots could replicate only in particular circumstances. |
| C．The cells from frogs figure out a new way to move and reproduce. |
| D．Xenobots are very early technology that have a few actual applications. |
| A．Unfavorable. | B．Concerned. |
| C．Indifferent. | D．Positive. |
| A．The explanation of xenobots’ difference. |
| B．The introduction to the first living robots. |
| C．The amazement of the creation of xenobots. |
| D．The presentation of molecular active replication. |
