官方样题02

Man: I think my laptop is acting up again. It keeps freezing and shutting down randomly. Woman: That's frustrating. Have you tried restarting it or running a virus scan? Man: Yes, I did both, but it didn't help. I might need to take it to a repair shop. Woman: That sounds like a good idea. They should be able to diagnose and fix the issue. Man: I'll do that this afternoon.

Man: Are you going to the supermarket today by any chance? Woman: I was just there yesterday. Why? Man: suddenly remembered that I'm supposed to bring some drinks to my team's lunch meeting tomorrow at work, and I'm in the middle of a project I need to finish tonight. Woman: You're in luck. I stocked up yesterday.

Announcer: Welcome to the creative writing club's monthly meeting! Before we get started, I wanted to remind you of the guidelines for our upcoming short-story contest. We're looking for stories on the theme of family, and all stories must be submitted by the end of November to be considered. Good luck to everyone participating!

Professor: Dark matter is a type of matter that doesn't emit, absorb, or reflect light, making it invisible to current instruments. Despite being unobservable directly, it's believed to make up about 27 percent of the universe's mass-energy content. How do scientists know dark matter exists? Well, all the stars in a galaxy rotate around the center of their galaxy. According to basic physics, the farther a star is from the center of a galaxy, the slower it should rotate. However, observations show that stars in the outer regions of galaxies rotate at unexpectedly high speeds. This anomaly suggests that a massive, unseen matter is exerting gravitational force, keeping the stars moving faster than expected. Dark matter is hugely important for the structure of the universe. Computer simulations show that galaxies wouldn't have formed the way they did if dark matter hadn't been around. But what does dark matter consist of? Well, there are different theories, so let's consider a couple of them.

Man: Have you returned the books we borrowed from the library? Woman: Why? I thought we could keep them for six weeks. Man: Actually, it's now four weeks. They changed the policy. I guess I forgot to tell you! Woman: That means they're due tomorrow! Man: Exactly! Woman: In that case, I'll take care of it right now!

Announcer: Good evening everyone. Just a friendly reminder that the university's annual charity auction will take place tomorrow at 7 P.M. in the Main Hall. All proceeds will go to local charities. We hope to see you there and appreciate your support!

Professor: Biomimicry is the human practice of learning from and imitating things found in nature in order to create new inventions. This way, scientists and engineers can create innovative solutions that are both efficient and sustainable. One well-known example of biomimicry is the development of a widely used fastening system. The inventor was inspired by the way burrs, uh thorns, from plants stuck to his dog's fur. By replicating the tiny hooks found on the burrs he removed from the dog fur, he created the new fastening system. Another example is the design of energy-efficient buildings based on the ventilation system of structures created by termites. Termites are ground-dwelling insects that use different materials to create hills, or mounds, in which the termites live. Termite mounds have a complex network of vents. The vents maintain a stable internal temperature, which can be emulated in human architecture. Biomimicry can also be applied to renewable energy. For instance, researchers are developing wind turbine blades modeled after the flippers of humpback whales. The unique shape of the flippers reduces drag and increases efficiency, leading to more effective wind energy capture.