How Did Yuan Longping Revolutionize China’s Rice Production?
①Yuan Longping was born in 1930 in Hubei. As a child, he was very interested in plants and other living things. He grew up to be a curious and hard-working plant scientist. Yuan wanted to solve the problem of food shortages, so he began conducting experiments to improve rice yields per hectare (10,000 m2).
②Plants come in many different varieties; for example, some types of rice have long grains, while others have short grains. For centuries, people have been crossing different plant varieties to create hybrids. Such plants proved to have desirable qualities from both parents. Yuan believed that it was possible to do the same with rice. He tried different ways of creating rice hybrids, only to discover that his attempts were unsuccessful.
③Even though it often seemed too difficult to complete this task, Yuan didn’t give up. After many years of hard work, his experiments finally bore fruit. This was a major discovery since no one had previously been able to cross two different kinds of rice. It had a huge impact: the first hybrid rice variety increased China’s rice production by 100 million tonnes in little over a decade.
④Yuan didn’t stop there — instead, he continued experimenting and created super hybrid rice with yields over 15 tonnes of rice per hectare. Thanks to Yuan’s work, China became self-sufficient in rice. Our country continued to increase its rice yields to become one of the biggest food donors in the world. In 2019, he received the Medal of the Republic for his outstanding contributions. At the age of 90, Yuan Longping still hasn’t retired. With a growing global population, the world needs to produce enough food to feed everyone, and Yuan is working to make this happen.
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Why Go To Rome
Rome, the city of seven hills,
Rome is known for
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4 . How to Improve Climate Literacy
Climate literacy is the ability to identify, understand and explain information associated with climate science.
Over the past few years, many young people and educators have pushed for the inclusion of climate literacy in national curricula. So what are the best ways in which this can be embedded within already packed school timetables?
True climate literacy must address not only the science of climate change, but also issues of climate (in)justice, including how climate change affects people and places unevenly and contributes to inequalities within and across nations.
One way to do this is through visual storytelling. Storytelling, often involving drawings and paintings, has been used by human communities to pass on knowledge or tales of caution for at least 30,000 years — as you can see from the cave painting.
One effect of storytelling is its ability to create cognitive dissonance: the mental conflict and discomfort felt when a person’s behaviour isn’t in line with their beliefs. Stories that demonstrate the consequences of not acting eco-consciously — especially if those consequences are shown visually — can be a good way to do this, leading to individuals being more likely to take climate action in their own lives or by confronting corporate activities.
A.Therefore, the teachers we worked with remarked that lessons are typically focused on the physical processes of climate change. |
B.However, at present, much of climate change education is focused on the physical aspects of climate change, often at a global scale. |
C.The next stages of our research will reflect how a separated community has come together through this journey towards climate literacy. |
D.Being climate literate allows individuals to become active participants in the fight against climate change. |
E.This collective psychological distancing means many fail to recognise the urgency of the climate crisis. |
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6 . Coca-Cola Launched Coke-branded Energy Drinks
Coca-Cola recently said it was considering adding a new drink, Coca-Cola Energy, to its list of Coke products.
The energy drink is one of the fastest-growing parts of the drink industry, and it’s highly profitable because consumers are used to paying more for energy drinks than soft drinks. Plus, some people already drink Coke for caffeine. It’s a natural brand extension.
A.Monster, Coca-Cola’s energy drink partner, isn’t excited with the plan. |
B.Pretty much every drink category is experimenting with making full use of energy sections. |
C.Coke recognized the importance of energy drinks when it struck a deal with Monster in 2014. |
D.By using natural ingredients and its recognizable brand, Coke may be going after consumers who wouldn’t reach for a Monster drink. |
E.Recently, consumers have been looking for functional ingredients — like caffeine for energy — in everything from sparkling water to juice. |
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A.$12. | B.$37. |
C.$50. | D.$62. |
What makes an open office unwelcome to many people?
A.Personal privacy unprotected. |
B.Limited working space. |
C.Restrictions on group discussion. |
D.Constant interruptions. |
In Zurich, the blowing up of the Bӧӧgg symbolizes________.
A.the start of the parade | B.the coming of a longer summer |
C.the passing of the winter | D.the success of tradesmen |