Preparing Cities for Robot Cars
The possibility of self-driving robot cars has often seemed like a futurist’s dream, years away from materializing in the real world. Well, the future is apparently now. The California Department of Motor Vehicles began giving permits in April for companies to test truly self-driving cars on public roads. The state also cleared the way for companies to sell or rent out self-driving cars, and for companies to operate driverless taxi services. California, it should be noted, isn’t leading the way here. Companies have been testing their vehicles in cities across the country. It’s hard to predict when driverless cars will be everywhere on our roads. But however long it takes, the technology has the potential to change our transportation systems and our cities, for better or for worse, depending on how the transformation is regulated.
While much of the debate so far has been focused on the safety of driverless cars(and rightfully so), policymakers also should be talking about how self-driving vehicles can help reduce traffic jams, cut emissions(排放) and offer more convenient, affordable mobility options. The arrival of driverless vehicles is a chance to make sure that those vehicles are environmentally friendly and more shared.
Do we want to copy — or even worsen — the traffic of today with driverless cars? Imagine a future where most adults own individual self-driving vehicles. They tolerate long, slow journeys to and from work on packed highways because they can work, entertain themselves or sleep on the ride, which encourages urban spread. They take their driverless car to an appointment and set the empty vehicle to circle the building to avoid paying for parking. Instead of walking a few blocks to pick up a child or the dry cleaning, they send the self-driving minibus. The convenience even leads fewer people to take public transport — an unwelcome side effect researchers have already found in ride-hailing(叫车) services.
A study from the University of California at Davis suggested that replacing petrol-powered private cars worldwide with electric, self-driving and shared systems could reduce carbon emissions from transportation 80% and cut the cost of transportation infrastructure(基础设施) and operations 40% by 2050. Fewer emissions and cheaper travel sound pretty appealing. The first commercially available driverless cars will almost certainly be fielded by ride-hailing services, considering the cost of self-driving technology as well as liability and maintenance issues(责任与维护问题). But driverless car ownership could increase as the prices drop and more people become comfortable with the technology.
Policymakers should start thinking now about how to make sure the appearance of driverless vehicles doesn’t extend the worst aspects of the car-controlled transportation system we have today. The coming technological advancement presents a chance for cities and states to develop transportation systems designed to move more people, and more affordably. The car of the future is coming. We just have to plan for it.
1.According to the author, attention should be paid to how driverless cars can __________.
A.help deal with transportation-related problems
B.provide better services to customers
C.cause damage to our environment
D.make some people lose jobs
2.As for driverless cars, what is the author’s major concern?
A.Safety. B.Side effects.
C.Affordability. D.Management.
3.What does the underlined word ＂fielded＂ in Paragraph 4 probably mean?
A.Employed. B.Replaced.
C.Shared. D.Reduced.
4.What is the author’s attitude to the future of self-driving cars?
A.Doubtful. B.Positive.
C.Disapproving. D.Sympathetic.
Give yourself a test. Which way is the wind blowing? How many kinds of wildflowers can be seen from your front door? If your awareness is as sharp as it could be, you’ll have no trouble answering these questions.
Most of us observed much more as children than we do as adults. A child’s day is filled with fascination, newness and wonder. Curiosity gave us all a natural awareness. But distinctions that were sharp to us as children become unclear; we are numb(麻木的）to new stimulation(刺激), new ideas. Relearning the art of seeing the world around us is quite simple, although it takes practice and requires breaking some bad habits.
The first step in awakening senses is to stop predicting what we are going to see and feel before it occurs. This blocks awareness. One chilly night when I was hiking in the Rocky Mountains with some students, I mentioned that we were going to cross a mountain stream. The students began complaining about how cold it would be. We reached the stream, and they unwillingly walked ahead. They were almost knee-deep when they realized it was a hot spring. Later they all admitted they’d felt cold water at first.
Another block to awareness is the obsession(痴迷) many of us have with naming things. I saw bird watchers who spotted a bird, immediately looked it up in field guides, and said, a "ruby-crowned kinglet" and checked it off. They no longer paid attention to the bird and never learned what it was doing.
The pressures of "time" and "destination" are further blocks to awareness. I encountered many hikers who were headed to a distant camp-ground with just enough time to get there before dark. It seldom occurred to them to wander a bit, to take a moment to see what’s around them. I asked them what they’d seen. "Oh, a few birds," they said. They seemed bent on their destinations.
Nature seems to unfold to people who watch and wait. Next time you take a walk, no matter where it is, take in all the sights, sounds and sensations. Wander in this frame of mind and you will open a new dimension to your life.z.
1.According to Paragraph 2, compared with adults, children are more ____________.
A.anxious to do wonders
B.sensitive to others’ feelings
C.likely to develop unpleasant habits
D.eager to explore the world around them
2.What idea does the author convey in Paragraph 3?
A.To avoid jumping to conclusions.
B.To stop complaining all the time.
C.To follow the teacher’s advice.
D.To admit mistakes honestly.
3.The bird watchers’ behavior shows that they __________.
A.are very patient in their observation
B.are really fascinated by nature
C.care only about the names of birds
D.question the accuracy of the field guides
4.Why do the hikers take no notice of the surroundings during the journey?
A.The natural beauty isn’t attractive to them.
B.They focus on arriving at the camp in time.
C.The forest in the dark is dangerous for them.
D.They are keen to see rare birds at the destination.
5.In the passage, the author intends to tell us we should __________.
A.fill our senses to feel the wonders of the world
B.get rid of some bad habits in our daily life
C.open our mind to new things and ideas
D.try our best to protect nature
Fire Prevention Information
The University of Adelaide employs a full-time staff of fire prevention professionals. They inspect all campus buildings and test and maintain all sprinkler(喷水灭火装置）systems fire alarms and fire extinguishers (灭火器). They also provide educational programs or fire safety in the residence hall. Whenever you move to a new area, you should locate the fire alarm pull stations and the two exits nearest your room.
Fire Alarms
The floors of all campus buildings are equipped with manual(手动的）fire alarm systems which include fire alarm pull stations and pipes. Most are also equipped with automatic fire alarm systems consisting of heat detectors, smoke detectors and sprinklers. For your safety, never tamper with(胡乱摆弄）these systems. False fire alarms are illegal and may lead to imprisonment.
Fire Drills
A fire drill will be conducted in your residence hall every semester. During a fire drill, please do the following:
·Take your room key and ID, close and lock the door to your room.
·Exit immediately from the nearest emergency exit do not use a lift.
·Meet outside of your residence hall and wait for further instructions.
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 Detector
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.
1.What is the main duty of the fire prevention professionals?
A.To provide part-time jobs for students.
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.
2.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
3.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
4.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.
5.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
Steven Stein likes to follow garbage trucks. His strange habit makes sense when you consider that he’s an environmental scientist who studies how to reduce litter, including things that fall off garbage trucks as they drive down the road. What is even more interesting is that one of Stein’s jobs is defending an industry behind the plastic shopping bags.
Americans use more than 100 billion thin film plastic bags every year. So many end up in tree branches or along highways that a growing number of cities do not allow them at checkouts(收银台). The bags are prohibited in some 90 cities in California, including Los Angeles. Eyeing these headwinds, plastic-bag makers are hiring scientists like Stein to make the case that their products are not as bad for the planet as most people assume.
Among the bag makers’ argument: many cities with bans still allow shoppers to purchase paper bags, which are easily recycled but require more energy to produce and transport. And while plastic bags may be ugly to look at, they represent a small percentage of all garbage on the ground today.
The industry has also taken aim at the product that has appeared as its replacement: reusable shopping bags. The stronger a reusable bag is, the longer its life and the more plastic-bag use it cancels out. However, longer-lasting reusable bags often require more energy to make. One study found that a cotton bag must be used at least 131 times to be better for the planet than plastic.
Environmentalists don’t dispute(质疑) these points. They hope paper bags will be banned someday too and want shoppers to use the same reusable bags for years.
1.What has Steven Stein been hired to do?
A.Help increase grocery sales.
B.Recycle the waste material.
C.Stop things falling off trucks.
D.Argue for the use of plastic bags.
2.What does the word “headwinds” in paragraph 2 refer to?
A.Bans on plastic bags.
B.Effects of city development.
C.Headaches caused by garbage.
D.Plastic bags hung in trees.
3.What is a disadvantage of reusable bags according to plastic-bag makers?
A.They are quite expensive.
B.Replacing them can be difficult.
C.They are less strong than plastic bags.
D.Producing them requires more energy.
4.What is the best title for the text?
A.Plastic, Paper or Neither
B.Industry, Pollution and Environment
C.Recycle or Throw Away
D.Garbage Collection and Waste Control
Cities usually have a good reason for being where they are, like a nearby port or river. People settle in these places because they are easy to get to and naturally suited to communications and trade. New York City, for example, is near a large harbour at the mouth of the Hudson River. Over 300 years its population grew gradually from 800 people to 8 million. But not all cities develop slowly over a long period of time. Boom towns grow from nothing almost overnight. In 1896, Dawson, Canada, was unmapped wilderness(荒野). But gold was discovered there in 1897, and two years later, it was one of the largest cities in the West, with a population of 30,000.
Dawson did not have any of the natural conveniences of cities like London or Paris. People went there for gold. They travelled over snow-covered mountains and sailed hundreds of miles up icy rivers. The path to Dawson was covered with thirty feet of wet snow that could fall without warming. An avalanche(雪崩) once closed the path, killing 63 people. For many who made it to Dawson, however, the rewards were worth the difficult trip. Of the first 20,000 people who dug for gold, 4,000 got rich. About 100 of these stayed rich men for the rest of their lives.
But no matter how rich they were, Dawson was never comfortable. Necessities like food and wood were very expensive. But soon, the gold that Dawson depended on had all been found. The city was crowded with disappointed people with no interest in settling down, and when they heard there were new gold discoveries in Alaska, they left Dawson City as quickly as they had come. Today, people still come and go — to see where the Canadian gold rush happened. Tourism is now the chief industry of Dawson City — its present population is 762.
1.What attracted the early settlers to New York City?
A.Its business culture.
B.Its small population.
C.Its geographical position.
D.Its favourable climate.
2.What do we know about those who first dug for gold in Dawson?
A.Two-thirds of them stayed there.
B.One out of five people got rich.
C.Almost everyone gave up.
D.Half of them died.
3.What was the main reason for many people to leave Dawson?
A.They found the city too crowded.
B.They wanted to try their luck elsewhere.
C.They were unable to stand the winter.
D.They were short of food.
4.What is the text mainly about?
A.The rise and fall of a city.
B.The gold rush in Canada.
C.Journeys into the wilderness.
D.Tourism in Dawson.
We’ve all been there: in a lift, in line at the bank or on an airplane, surrounded by people who are, like us, deeply focused on their smartphones or, worse, struggling with the uncomfortable silence.
What’s the problem? It’s possible that we all have compromised conversational intelligence. It’s more likely that none of us start a conversation because it’s awkward and challenging, or we think it’s annoying and unnecessary. But the next time you find yourself among strangers, consider that small talk is worth the trouble. Experts say it’s an invaluable social practice that results in big benefits.
Dismissing small talk as unimportant is easy, but we can’t forget that deep relationships wouldn’t
even exist if it weren’t for casual conversation. Small talk is the grease(润滑剂) for social communication, says Bernardo Carducci, director of the Shyness Research Institute at Indiana University Southeast. ＂Almost every great love story and each big business deal begins with small talk,＂ he explains. ＂The key to successful small talk is learning how to connect with others, not just communicate with them.＂
In a 2014 study, Elizabeth Dunn, associate professor of psychology at UBC, invited people on their way into a coffee shop. One group was asked to seek out an interaction(互动) with its waiter; the other, to speak only when necessary. The results showed that those who chatted with their server reported significantly higher positive feelings and a better coffee shop experience. ＂It’s not that talking to the waiter is better than talking to your husband,＂ says Dunn. ＂But interactions with peripheral(边缘的) members of our social network matter for our well-being also.＂
Dunn believes that people who reach out to strangers feel a significantly greater sense of belonging, a bond with others. Carducci believes developing such a sense of belonging starts with small talk. ＂Small talk is the basis of good manners,＂ he says.
1.What phenomenon is described in the first paragraph?
A. Addiction to smartphones.
B. Inappropriate behaviours in public places.
C. Absence of communication between strangers.
D. Impatience with slow service.
2.What is important for successful small talk according to Carducci?
A. Showing good manners. B. Relating to other people.
C. Focusing on a topic. D. Making business deals.
3.What does the coffee-shop study suggest about small talk?
A. It improves family relationships. B. It raises people’s confidence.
C. It matters as much as a formal talk. D. It makes people feel good.
4.What is the best title for the text?
A. Conversation Counts B. Ways of Making Small Talk
C. Benefits of Small Talk D. Uncomfortable Silence
