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    Studies have shown that walking among trees makes us relaxed. 1.There’s plenty of research showing the link between being in nature and being happy, but most of the research has focused on adults.

2. Explaining the motivation behind the study, researchers note that with environmental issues such as global warming, more studies are focusing on the relationships between humans and nature to find solutions to these problems, and the future of the planet lies in the hands of children and their actions. However, few studies focus on this aspect.

For the study, researchers worked with 296 children between the ages of 9 and 12. To measure how connected they were to nature, the kids were asked how much they enjoy activities like seeing wildflowers and wild animals, hearing sounds of nature and touching animals and plants. 3.They also found that the more concerned children were about the environment and nature, the more likely they were to be happy.

So exposure to nature is related to active behaviors and happiness of children. What does that mean to adults? As we all know, children usually tend to follow adults’, especially their parents’ behaviors. That’s to say, when adults are outside and appreciate nature, kids learn by example. 4.

Researchers say that children need role models who can gently guide them to nature with excitement and an attitude of a lifelong learner. 5. What’s more important is that they spend time together with children by exploring a fun and safe environment.

A.It’s so good going for a walk around trees.

B.Even just smelling the trees helps reduce anxiety.

C.And if parents enjoy being close to nature, so will their children.

D.Parents don’t have to be experts in environmental science or nature studies.

E.They found that the kids connected to nature were more likely to behave actively.

F.In a new study researchers wanted to see if kids get the same benefits from being outdoors.

G.Researchers will study more about the connection between children’s happiness and nature.

    General Motors (GM) shared the first details of its third-generation electric vehicle (EV) and Ultium battery system just about a month ago, but it won’t be the only automaker using this new EV hardware. Honda(本田) is now planning to build two new electric models based on the GM tech.

Sharing of EV technology across automakers is becoming an increasingly common practice. Last summer, Ford reached an agreement to build at least one European battery electric vehicle (BEV) based on Volkswagen’s platform and more recently, Hyundai(现代) announced plans to use the electric platform from California-based startup Canoo.

This hardware sharing makes sense for automakers since the technology is expensive to develop but once it’s built into a vehicle, there won’t be much to distinguish(区分) one from another. Sharing allows the development cost to be spread over more vehicles, which is crucially important for a company to seize market share in the fierce competition.

While Honda has an excellent reputation for designing traditional engines, having even supplied some to GM in the past, it has struggled with BEVs. The Japanese automaker has focused more on fuel cell(电池) technology whose adoption is very limited at present. The only BEV that Honda currently offers in the U.S. market is the Clarity EV which offers just 89 miles of range on a charge. While Honda’s own BEV efforts don’t seem to have gained any progress, they have been working with GM on battery module design since 2018 and likely had a hand in the development of Ultium battery system.

The so-called “top-hats” which make up the body and inside of the vehicle will be designed and developed by Honda, however, the propulsion system and battery will come from GM. The first of the new Honda BEVs are scheduled to go on sale in 2024 and be produced at GM factories.

1.Which automaker will probably use the new EV hardware besides GM?

A.Ford. B.Honda. C.Volkswagen. D.Hyundai.

2.What is becoming more and more common among automakers?

A.Using electric platform. B.Building electric models.

C.Sharing EV technology. D.Seizing car market share.

3.Why is hardware sharing necessary to automakers?

A.Because making vehicles is difficult.

B.Because designing engines is important.

C.Because distinguishing vehicles is necessary.

D.Because developing technology is very expensive.

4.What can we infer from the passage?

A.Honda has defeated GM in developing BEVs.

B.Honda will be better than GM in developing BEVs.

C.Honda and GM will be partners in developing BEVs.

D.Honda will purchase GM factories to produce BEVs.

    If you live in a town or city on the edge of a desert or coastline where sand dunes form, you might understand the threat they can have. It’s, sometimes, a piece of cake for them to cover roads, buildings, farms and other man-made developments with their unpredictable movements. Thus, figuring out how they move is important for preventing some natural disasters.

Now scientists have discovered that dunes have been secretly moving in ways we never knew before. There are different explanations on dune interaction, however, Karol Bacik, first author on the new dune study, and his colleagues have found a new one for dune movement. The researchers employed high-speed cameras to observe how dunes separated by distance can act as if they’re connected.

It turns out, currents flowing over sand dunes can carry “information” to other dunes downstream in the form of swirls(旋涡). For instance, as wind or water flows over the top of a dune, it slightly moves. This can generate “swirls” on the back of a downstream dune and push it in a direction opposite the movement of the front dune.

It’s the first time that researchers were able to provide causal explanations for some of these strange, previously unpredictable movements. The team also hopes to get out of the laboratory and into the real world, to see if their models can be applied to dune movements in complex natural systems. They plan to use satellite images over large deserts to track groups of dunes over long periods.

Perhaps they can start to alter the dune marching orders in the near future. Imagine being able to tell a dune field exactly how you want it to move. That’s the idea that this research might one day make possible.

1.We can learn that the purpose of the study is to _________.

A.stop the sand dunes from moving around

B.figure out the track of sand dune movements

C.prove the interaction of dunes with each other

D.examine a model of sand dunes in the real world

2.What does the underlined word “one” in Para. 2 refer to?

A.A study. B.An interaction. C.An explanation. D.A dune.

3.Which of the following can we know from the passage?

A.A sand dune communicates with another only by currents.

B.Swirls on the back of a dune are the power to move itself.

C.Some strange dune movements have got causally explained before.

D.Researchers think it unnecessary to study further on the dune models.

    Last year marked the 100th anniversary of the end of World War I. There were events around the world in memory of those who died in the conflict. We have picked out three of them in European countries. Let's take a look.

Belgium

In a park, the famous Belgian artist Koen Vanmechelen had an exhibition called Coming World, Remember Me. The work consisted of 600,000 individual(个别的) clay sculptures, one for each person killed during the World War. In the center of the exhibition was a big egg made of clay, symbolizing a new world.

UK

In a small town called Aldridge, almost 100 houses in one street were covered with 24,000 poppies and statues of soldiers. They stood for the men from the area who had been killed in the war. The flowers were chosen because of a poem written by the Canadian doctor John McCrea in 1915. They made people think of fields of blood.

France

The British artist Guy Denning arrived in La Feuille, a small town in the northwest of France, to stick life-size drawings of soldiers who never came back home. Armed with glue and a brush, Denning stuck his drawings carefully on walls. Before long 112 men, mainly young adults, were brought back to mind, if not to life.

1.What do we know about Coming World, Remember Me?

A.It's the name of an exhibition. B.It's a film about World War I.

C.It's a work standing for peace. D.It's a sculpture made of clay.

2.Why were poppies chosen to symbolize the dead soldiers?

A.The British people preferred them. B.They showed the cruelty of war.

C.A Canadian doctor suggested them. D.The fields were filled with them.

3.How was the end of World War I marked in France?

A.A memorial to the dead soldiers was built.

B.112 wounded soldiers in the war were helped.

C.Drawings of some dead soldiers were put up.

D.Young adults were encouraged to join the army.

假定你是李华，每年6月是世界环保月，请你代表学校学生会，以“从我做起,爱护环 境”为主题,向全校同学写一封倡议书。

内容包括：

1.提出倡议的宗旨；2.倡议的具体内容。

注意：1.词数100左右；2.可适当增加细节，以使行文连贯；3.开头和结尾已为你写好，不计入总词数。

参考词汇:世界环保月 World Environment Month

Dear students.

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The Students' Union

Jun. 22th. 2020