1 . China has set new rules limiting the amount of time children can play online games. The rules limit children to just three hours of online game playing a week. That is one hour between 8 p. m. and 9 p. m. on Friday, Saturday and Sunday most weeks.

Li Zhanguo has two children aged 4 and 8. Even though they do not have smartphones, they enjoy playing online games. Like many other parents. Li is happy with new government rules. But experts say it is unclear if such policies can help prevent addiction to online games. Children might just get addicted to social media instead. In the end, experts say, parents should be the ones to set limits and support good practice.

There has been a growing concern in China about gaming addiction among children. Government reports in 2018 found that about one in ten Chinese children were addicted to the Internet. The new rules are part of an effort to prevent young people from spending too much time on unhealthy entertainment. That includes what officials call the “irrational fan culture”

Under the new rules, the responsibility for making sure children play only three hours a day as largely on Chinese gaming companies like Net Ease and Ten cent. Companies have set up real-name registration systems to prevent young users from going past game time limits. They have used facial recognition technology to check their identities. And they have also set up a program that permits people to report what is against the law. It is unclear what punishments gaming companies may face if they do not carry out the policies. And even if such policies are performed, it is also unclear whether they can prevent online addiction.

A specialist treating Internet addiction expects about 20 percent of children will find ways to break the rules by borrowing accounts of their older relatives and find a way around facial recognition. In his opinion, short-video alps such as Douyin and Kuaishou are also very popular in China. They are not under the same restrictions as games.

7 . “Farm to table” is the name of a movement that encourages people to eat locally grown food. The farm­to­table idea has become more popular in recent years. But there is also a movement that brings “table to farm”. Its purpose is to connect people to the land and to honor local farmers by creating a sort of restaurant without walls.

Its founder, Jim Denevan, got the idea for this kind of “culinary adventure (美食探险)”, as he called it, ten years ago. He recently prepared tables for more than a hundred people at Briars Farm in Virginia. He and his eight­member team arrived the night before. Chefs (厨师) from a local restaurant prepared the dinner.

Jim Denevan’s brother is a farmer and he himself is a chef. He thought that the idea of a meal served right on the farm made sense, though not everyone agreed.

“But I wanted to make the idea work, so I decided to cross the country,” said Denevan. “I went all the way across the United States and set the table on farms, ranches (大牧场) and beaches, and all the places where food came from.”

“This kind of event connects us with a lot of enthusiastic people, people that we can form relationships with,” said Matt Szechenyi, who operates Briars Farm.

The tour of the farm ends at the dinner table. The meats in the meal come from Matt Szechenyi’s farm. The vegetables come from nearby farms. Guests and local farmers sit together.

Annoica Ingram came with a friend. “The food is wonderful. I appreciate their hard work. I see everything they have to do to take care of the animals and make sure they are well­cared­for. Without them, I think, we’ll have big problems,” she said.

8 . Over the years, digital communication has brought about more changes than the printing press did. And the standout early adopters are teenagers, whose brains appear to have an extraordinary ________ to adapt to the world.

As a species, our brains are still flexible and ________ during adolescence, which means some ________ of it, such as impulse control and the ability to make long-term decisions, haven’t developed yet, and this may also explain why we spend a(n) ________ period living under the protection of our parents rather than leaving home at 12 or 13. This also means the adolescent brain can adapt to new technology, allowing teenagers to ________ the accelerating pace of digital technology and manage different tasks at the same time. In the US, teenagers are spending 8. 5 hours using computers, mobiles and other devices to learn, interact and play. This jumps to 11.5 if you take into account all of the ________, such as talking on the phone while watching TV.

There are ________ as to how social media is affecting the way the brain learns to ________ since one of the most important skills that we learn as children is how to make friends and interact with people. These interactions are now being ________ by technology — you could have hundreds of friends, all of whom are real people that you interact with-and scientists aren’t sure whether we’ll be able to develop the same ________ using social media.

There is a possible ________ of the digital trend: it is indicated that teenagers all over the world are watching the same clips and laughing at the same jokes, meaning they are more ________ than their predecessors (前辈). They may be ________ to texting their friends and posting updates on social media, but teenagers today are probably going to have access to technology and ________ social and educational opportunities that anyone with a less flexible brain might have trouble imagining. ________, there is a cut-off and by the age of 30, our brains become more set in their ways, making it harder for us to adapt and cope with new technologies.

9 . Could buying paintings make you rich?

Is investing in paintings a good way to get rich fast? And how should you invest in art?

“With extreme________” is the advice of a well-known financial adviser. “We don’t recommend our customers to invest in art because the disadvantages are greater than the advantages. It doesn’t produce income or________. What you get back is entirely based on supply and________, and there are big movements upwards or downwards if there are changes in the economic environment, ” he said.

To invest in art as a true investment, you need a starting________. But it’s not just about having enough money to buy the painting in the first place. Expensive works of art are often stored in protective boxes complete with________ to monitor humidity and temperature levels, and to protect them from sun damage or other________ such as a spilled cup of coffee. And if you do put it on your wall, then your insurance costs are likely to be high. If word gets out that you have expensive art hanging on your wall, then you’re likely to be a________ for thieves.

Art is also not a regulated investment so when things go wrong-for example, an artwork________ to be a fraud(赝品)-then investors cannot count on regulation for any compensation.

Of course given the current environment of low interest rates, investing in art may still give you a(n)________ return than many savings accounts will. As art has no association with the stock market, it means paintings can________ in value even when the market crashes, making it a good investment________. It is reported that despite a decrease in the global art market throughout 2016, auction(拍卖)sales________ in the first six months of 2017.

Yet you don’t necessarily have to be super-wealthy to invest in art. There are a growing number of art fairs and online marketplaces aimed at buyers with a more________ budget. Most art industry experts suggest that you buy a piece of art because you like it, not because you want to get rich. The most________ approach is probably to buy something you like and can________, and be prepared to keep it just for your own pleasure. If it goes up in value that should be just an added benefit.

10 . As anyone who has tried to lose weight knows, realistic goal setting generally produces the best results. That is partially _________ people who set realistic goals actually appear to work more efficiently, and make more effort, to achieve those goals.

What is far less understood by scientists, _________, are the potentially harmful effects of goal setting.

Newspapers relay (转发) reports of goal setting prevalent in industries and businesses up and down both Wall Street and Main Street, yet there has been surprisingly little research on how the practice of setting goals may have_________ to the current economic crisis, and unethical (不道德) behaviour in general.

“Goals are widely used and promoted as they have really_________ effects. And yet, the same motivation that can push people to make more effort in a constructive way could also motivate people to be more likely to_________ unethical activities,” says Maurice Schweitzer, professor at Penn’s Wharton School.

“It turns out there’s_________ economic benefit to just having a goal — you just get a psychological benefit,” Schweitzer says. “But in many cases, goals have economic_________ that make them more powerful.’

A typical example Schweitzer and his colleagues mention is the 2002_________ of energy-trading giant Enron, where managers used financial incentives (鼓励) to motivate salesmen to meet specific revenue goals. The problem, Schweitzer says, is the actual trades were not_________ .

Other studies have shown that__________ employees with unrealistic goals can force them to lie, cheat or steal. Such was the case in the early 1990s when Sears__________ specific sales quota (额度) for its auto repair staff. It__________ employees to complete repairs that were actually unnecessary just to meet the requirement.

Schweitzer admits his research runs counter to (违背) a very large body of literature that__________ the many benefits of goal setting. However, __________ of goal setting have argued with Schweitzer’s use of such evidence to support his conclusion that goal setting is widely__________ .