【推荐1】Gone are the days when big businesses were looked upon by environmentalists as enemies in the fight against global warming.

Just two weeks after U. S. President Donald Trump pulled his country out of the Paris Climate Agreement, more than 900 American firms put their _______to a “We Are Still In” open letter to the United Nations. Together, they promise to help reduce America’s carbon emissions by 26 percent by 2025, _______the Paris Climate Agreement.

_______, big businesses have been taking climate change seriously for years now. Alongside energy-efficiency measures, the strongest evidence of their _______has been the number of new wind and solar projects that they have been helping to build around the world. IT firms such as Amazon and Google have been using clean energy to power their servers (服务器). Some environmentalists now believe that big businesses could become strong _______behind the worldwide spread of renewable energy. “There used to be little action,” says Marty Spitzer of the World Wildlife Fund (WWF), “Now, I see fundamental _______being made.”

More recently, this enthusiasm for environmental protection has _______from corporate headquarters to branches and suppliers, and from developed countries to emerging markets. Take Walmart, the world’s largest retailer, for example. In March 2016, it said that it would require its own operations and those along its _______chain to reduce carbon-dioxide emissions by one billion tons by 2030. This is _______to taking 211 million passenger cars off America’s roads for a year. The announcement was ________by the WWF and other conservation organizations, which are helping Walmart’s suppliers work towards this goal. Apple, maker of the iPhone, has said that seven of its biggest global manufacturers have promised to power their Apple-related ________with renewable energy by the end of this year.

According to the WWF, in the United States alone, nearly two dozen of the biggest firms have committed themselves to becoming 100 percent renewable in the near future. Hervé Touati of the Rocky Mountain Institute, a clean-energy research firm, explains the ________behind this trend. Going green improves the companies’ public image and helps attract customers, staff and investors.

Anheuser-Busch InBev, the world’s biggest brewer (啤酒公司), has lots of young people among its many ________. Many of them take environmental issues seriously. Electricity, used ________in the brewing process, amounts to a tenth of its total costs. Last year, the company set out to increase the role of renewables in generating ________to 100 percent by 2025. “My generation often takes energy and clean air for granted,” said Tony Milikin, the firm’s chief sustainability officer. “The generation coming up now looks at it totally differently.”

【推荐1】Does life seem to be full of impossible problems? How many times do you find yourself saying things like “I really don’t understand this maths problem”? Maybe it’s time to introduce yourself to the _________ of yet. By adding this simple word, you can change everything, “I really don’t understand this maths problem yet.” Suddenly, the _________ becomes possible.

I read about a school that has _________ the way it _________ its students’ exams. The school recognized that the old pass/fail system wasn’t helping students’ _________. If you passed, then great, but those students who didn’t pass often felt like _________. So now students who don’t get the score they need to pass, don’t see a big red “F” for “fail” on their exam papers; _________ they see a “Not yet”. That way the students feel that they are on a journey. They haven’t reached the _________ , but they know that they are going the right way.

This kind of _________ is part of what experts call “having a growth mindset”. People with a growth mindset don’t __________ failure. They aren’t worried by not getting things right the first time and are __________ to keep trying until they do. They enjoy the __________ and believe they can change. __________ , people who just focus on failure have what the experts call “a fixed mindset”. These people are always worried about failure and are happy to __________ when things don’t go right. __________, it is better to have a growth mindset than a fixed mindset.

【推荐2】Whether or not we care to admit it, we’re all familiar with procrastination:waiting until the last minute to catch up with pressing tasks. The antidote (矫正方法) — while easier said than done — is ________ to start on your assignments sooner. But in your pursuit of ________procrastination, is it possible to go too far?

David Rosenbaum, a professor of psychology at the University of California, Riverside, certainly thinks so. His research ________ on the dangers of “precrastination”, the ________ to rush too quickly into tasks.

As ________ to a procrastinator, who might leave an inbox full of emails untouched until the next day, a precrastinator would read and ________ to each of them first thing in the morning. This can mean reducing a lot of amount of the precious energy they might need for a more urgent ________ later on.

So why do people precrastinate? Rosenbaum says that for most, it’s tough to ________ reaching for low-hanging fruit. When you complete simple short-term tasks, you have one fewer thing to think about — “I can wrap this up in five minutes. Why not ________ it now?”

The real ________ of precrastination comes when, in your rush to finish, you encounter the naturally higher chance of doing your work incompletely or inaccurately. In the ________ of emails, sometimes waiting to respond can show respect for ________ thought over expediency (权宜之计).

Of course, precrastination is not without its benefits, but it’s ________ to do so only when it makes sense. Chronic precrastinators must also realise that it’s OK to set unimportant things aside, because they will not require huge mental ________ later in the day, Rosenbaum says. Besides, it should be agreed in our society that it’s OK to be allowed to ________.