Fire Extinguishers

Fire extinguishers are located on each floor and in each apartment. Use a fire extinguisher only if you have been trained to do so. Irresponsible use of a fire extinguisher can create a dangerous situation for other residents and could result in damage to personal property. Misuse of a fire extinguisher will result in fines. Smoke Detectors

A smoke detector is on the ceiling in your room. Some buildings also have heat detectors on the ceilings. Do the following to ensure the safe operation of your smoke detector:

●If your smoke detector is working properly, the red light should be on. If the red light is not blinking(闪动), contact residence hall staff immediately.

●Do not cover or block your smoke detector in any way.

●If a smoke detector sets off an alarm and there is no fire or smoke, inform your hall staff. 36. What is the main duty of the fire prevention professionals? A. To provide part-time jobs for students.zxxk B. To lead the students to the nearest exits. C. To check and maintain fire prevention equipment. D. To train teachers to be fire prevention professionals. 37. What do the automatic fire alarm systems include? A. Pipes and smoke detectors. B. Smoke detectors and sprinklers. C. Fire alarm pull stations and pipes. D. Sprinklers and fire alarm pull stations. 38. In a fire drill, the students should ___________. A. rush quickly to a lift B. gather at the nearest exit C. shut the door and leave at once D. wait for instructions in the hall

39. What do we know about the use of fire extinguishers? A. Using them wrongly results in punishment. B. Irresponsible use of them can damage them.

C. Improper use of them can destroy the apartment. D. Using them without a trainer present is forbidden.

40. To ensure the safe operation of the smoke detector, one should_________. A. contact the hall staff regularly B. cover the things that burn easily C. start the smoke detector in a fire D. make certain the red light is working

B

When I was 17, I read a magazine article about a museum called the McNay, once the home of a watercolorist named Marian McNay. She had requested the community to turn it into a museum upon her death. On a sunny Saturday, Sally and I drove over to the museum. She asked, \but I’ll recognize it, there was a picture in the magazine. \

\There it is!”

The museum was free. We entered, excited. A group of people sitting in the hall stopped talking and stared at us.

\\ Tour guides got on my nerves. What if they talked a long time about a painting you weren’t that interested in? Sally had gone upstairs. The people in the hall seemed very nosy(爱窥探的), keeping their eyes on me with curiosity. What was their problem? I saw some nice sculptures in one room. Suddenly I sensed a man standing behind me. \you think you are? \sharply. \\ still confused. \’s our home.\震颤). I raced to the staircase and called out, \

\’s some really good stuff(艺术作品) up there.\She stepped down, looking confused. I pushed her toward the front door, waving at the family, saying, \when I told Sally what happened, she covered her mouth, laughing. She couldn’t believe how long they let us look around without saying anything.

The real McNay was splendid, but we felt nervous the whole time we were there. Van Gogh, Picasso. This time, we stayed together, in case anything else unusual happened.

Thirty years later, a woman approached me in a public place. \

ago, thinking it was the McNay Museum? \

\

\was my home. I was a teenager sitting in the hall. Before you came over, I never realized what a beautiful place I lived in. I never felt lucky before. You thought it was a museum. My feelings about my home changed after that. I’ve always wanted to thank you.\41. What do we know about Marian McNay? A. She was a painter.

B. She was a community leader. C. She was a museum director. D. She was a journalist.

42. Why did the author refuse the help from the man in the house? A. She disliked people who were nosy. B. She felt nervous when talking to strangers. C. She knew more about art than the man. D. She mistook him for a tour guide.

43. How did the author feel about being stared at by the people in the hall? A. Puzzled.

B. Concerned.

C. Frightened.

D. Delighted.

44. Why did the author describe the real McNay museum in just a few words? A. The real museum lacked enough artwork to interest her. B. She was too upset to spend much time at the real museum. C. The McNay was disappointing compared with the house. D. The event happening in the house was more significant. 45. What could we learn from the last paragraph? A. People should have good taste to enjoy life. B. People should spend more time with their family. C. People tend to be blind to the beauty around them. D. People tend to educate teenagers at a museum.

C

There’s a new frontier in 3D printing that’s beginning to come into focus: food. Recent development has made

possible machines that print, cook, and serve foods on a mass scale. And the industry isn’t stopping there. Food production

With a 3D printer, a cook can print complicated chocolate sculptures and beautiful pieces for decoration on a wedding cake. Not everybody can do that — it takes years of experience, but a printer makes it easy. A restaurant in Spain uses a Foodini to “re-create forms and pieces” of food that are “exactly the same,” freeing cooks to complete other tasks. In another restaurant, all of the dishes and desserts it serves are 3D-printed, rather than farm to table. Sustainability(可持续性)

The global population is expected to grow to 9.6 billion by 2050, and some analysts estimate that food production will need to be raised by 50 percent to maintain current levels. Sustainability is becoming a necessity. 3D food printing could probably contribute to the solution. Some experts believe printers could use hydrocolloids (水解胶体) from plentiful renewables like algae(藻类) and grass to replace the familiar ingredients(烹饪原料). 3D printing can reduce fuel use and emissions. Grocery stores of the future might stock \freeing up shelf space and reducing transportation and storage requirements.zxxk Nutrition

Future 3D food printers could make processed food healthier. Hod Lipson, a professor at Columbia University, said, “Food printing could allow consumers to print food with customized nutritional content, like vitamins. So instead of eating a piece of yesterday’s bread from the supermarket, you’d eat something baked just for you on demand.” Challenges

Despite recent advancements in 3D food printing, the industry has many challenges to overcome. Currently, most ingredients must be changed to a paste(糊状物学&科网) before a printer can use them, and the printing process is quite time-consuming, because ingredients interact with each other in very complex ways. On top of that, most of the 3D food printers now are restricted to dry ingredients, because meat and milk products may easily go bad. Some experts are skeptical about 3D food printers, believing they are better suited for fast food restaurants than homes and high-end restaurants.

46. What benefit does 3D printing bring to food production? A. It helps cooks to create new dishes. B. It saves time and effort in cooking. C. It improves the cooking conditions.