【推荐1】Scientists say record heat has cost reef half of corals

The Great Barrier Reef, one of the earth's most precious habitats, lost half of its coral populations in the last quarter-century, a decline that researchers in Australia said would continue unless drastic action is taken to reduce the effects of climate change.

Colony sizes were smaller, there were fewer “big mamas," or older large corals that produce baby corals; and there were fewer of those babies, which are vital to the reefs future ability to_________. "Our results show the ability of the Great Barrier Reef to recover — its resilience (恢复力) — is weakened_________ the past, because there are fewer babies, and fewer large breeding adults," Dr. Andy Dietzel, the lead author of the study, said in a statement.

_________ a process in which corals turn white as water temperatures rise — contributed to sleep losses of Barrier Reef in 2016 and 2017. The southern part of the reef was also_________ to record — setting temperatures in early 2020. Researchers cited climate change as one of the major_________ of disturbances to reef.

“There is no time to_________ they said in a statement. "We must sharply decrease greenhouse gas emissions as soon as possible.”

Researchers were disappointed about what they saw as a lack of attention to the study from government leaders in Australia, the world's biggest coral exporter. The government has _________ calls to reduce carbon emissions even as heat waves, drought and fires continue to reveal the country ,s situation of being hurt by climate change.

The Great Barrier Reef, which _________ a vast array of marine life, has between 300 and 400 coral species and stretches for thousands of kilometers across the Australian coast.

"You can_________ see it from space," said Deron Burkepile. a professor at the University of California, Santa Barbara.

Coral reefs worldwide are ____________ for billions of dollars is tourism and provide habitats for fish that feed close to one billion people on the planet, he said.

“The situation is serious," Professor Burkepile said. But people should not feel ____________ about the future of coral reefs, he said, even as they wait for world leaders to take more ____________ steps to control the effects of climate change.

At the local level, ____________ nitrogen (氮) pollution — which ____________ fading — can be controlled by reducing fertilizer and sewage runoff, according to a study that Professor Burkepile conducted with other researchers at his university. "The other thing that we need to take away is that coral reefs are amazing resilient," he said. "If we don't continually damage them, they will________________.

【推荐2】What is your favorite color? Do you like yellow, orange, or red? If you do, you must be an optimist, a _____ and an active person who enjoys life, people and excitement. Do you prefer greys and blues? Then you are _____ quiet, shy, and you would rather follow than lead. You _____ to be a pessimist. At least, this is what psychologists tell us, and they should know, because they have been seriously _____ the meaning of color preference, _____ the effect that colors have on human beings. They tell us, among other facts, that we do not _____ our favorite color as we grow up—we are born with our preference. If you happen to love brown, you did so, as soon as you opened your eyes, or _____ as soon as you could see clearly.

Colors do _____ our moods—there is no doubt about it. A yellow room makes most people feel more _____ and more relaxed than a dark green one; and a red dress brings warmth and cheer to the saddest winter day. ______ , black is depressing. A black bridge over the Thames River, near London, used to be the ______ of more suicides（killing oneself）than any other bridge in the area—until it was ______ green. The number of suicide attempts immediately fell sharply; perhaps it would have fallen even more if the bridge had been done in ______ or baby blue.

Light and bright colors make people not only happier but more active. It is a（n）______ fact that factory workers work better, harder, and have fewer accidents when their machines are painted orange ______ black or grey.

【推荐1】It's sad to know that each year many teenagers experience the death of someone they love. This is likely to have an __________ on their life. Although bereavement(丧失) is a difficult and __________ topic, I'm going to talk about some of the things that __________ helped me to cope better after losing my dad in 2012.

The most important __________ is not to "bottle things up". At first, I didn’t tell anyone how I really felt when I should have spoken about it. No one should be __________ to feel upset after losing someone they love, as it’s an __________ time. It is important to talk about how you feel to people you __________ so they can support you. I “opened up” to few people, but it was nice to know that I had people there who I could __________ if I had a (n) __________ day. I spoke to my friends and my teachers, who would offer __________.

Another thing that I found to be __________ after losing my dad was to make a __________ box. This is a box where I put stuff that reminded me of my dad, and the memories I __________ with him. I still have the_______now, and it makes me __________.

Finally, it’s important to take time to grieve(悲痛) properly. I decided to focus on my studies and the things I __________ doing. I get __________ from time to time but I’ve learned that it’s okay to __________.

Everyone will have their own ways of ___________ after losing someone they love. This outlines what I personally found helpful. Everyone should remember that they are not __________.

【推荐2】Wikipedia, the US-based online encyclopedia (百科全书), is 10 this year. It is the largest encyclopedia ever. The site, _______ in 2001 by Americans Jimmy Wales and Larry Sanger, is now the fifth most-visited on the Internet. It has about 17 million articles in over 270 languages and about 400 million people go to the site each day, _______ information on just about anything: maths, languages, art, culture and company histories. There are articles on sports stars, too, and even _______ soap operas from the 1970s.

Wikipedia _______ an open editing model. Except for a small number of pages, anyone ran edit articles, anonymously or with a user account, and _______ users can create their own articles. Editing is unpaid, although Wikipedia does employ a small staff. Wikipedia is freely available to all netizens. Wikipedia _______ a new way to share information and its founders hoped that the model would be able to make use of the _______ wisdom of human beings.

However, _______ have raised doubts about the accuracy and _______ of Wikipedia’s content, since its editors are mostly ________ rather than professionals.

There is no doubt that Wikipedia pages contain many errors, although the organization does attempt to solve problems with its content ________ system.

However, several studies have concluded that Wikipedia is as accurate as most printed encyclopedias. ________, a 2005 report in the journal Nature found it to be only ________ less reliable than the Encyclopedia Britannica. Jimmy Wales has big plans for the future. He wants Wikipedia in every language of the world and hopes the number of visitors will reach 1 billion by 2015. There is no doubt that Wikipedia faces challenges. It carries no ads. Its funds come from ________. Perhaps more importantly, the number of its volunteer editors is falling.

However, Wales says he will still ________ his aspiration — “to do something useful for the world,” as he told The Washington Post.