1 . Earth Hour is an annual event, asking you to switch off all your lights for one hour in positive change for our planet. It is organized by the World Wide Fund for Nature and it’s a big event usually at the end of March every year.     1    , which means switching off all lights everywhere at the same time for one hour.

Earth Hour started in Australia in 2007, when 2.2 million people in Sydney turned off all unnecessary lights for an hour.     2    , and many countries around the world have taken part.

It’s true that switching off the lights for just one hour saves only a little power.     3    . Joining in Earth Hour makes people think about the problem of climate change and how to protect nature so that people can enjoy healthy and sustainable lives. Besides, many people acting together pushes governments and companies to consider green issues when making big decisions.

    4    . The number 60 is for the 60 minutes of Earth Hour, and the plus invites people to keep on taking action even after Earth Hour is finished. In fact, people joining in Earth Hour say that taking part in it inspires them to do more for the environment. The climate activist Greta Thunberg says, “Earth Hour is every hour of every day.”

Why is it in March? At the end of March in the northern and southern hemispheres (半球), the days and the nights are almost of the same length.     5    , so it is dark in the evening in each country for the Earth Hour switch-off.

A．But this is only the beginning

B．The logo of Earth Hour is “60+”

C．On this evening, people “go dark”

D．There are many events people can join in

E．Since then it has grown into an international event

F．The idea is to raise the awareness of environmental issues

G．At this time, the sunset time is similar in both hemispheres

2 . A NASA climate research scientist, Cynthia Rosenzweig, who has spent much of her career explaining how global food production must adapt to a changing climate, was awarded the World Food Prize on Thursday.

“We basically cannot solve climate change unless we address the issues of the greenhouse gas emissions from the food system, and we cannot provide food security for all unless we work really hard to develop adaptable agricultural systems,” she told The Associated Press in an interview.

Rosenzweig, who describes herself as a climate impact scientist, grew up in Scarsdale, New York, a suburban area that she said led her to seek out life in the country. Later, she moved to Italy, and developed a passion for agriculture. After returning to the United States, she focused her education on agronomy (农学).

She worked as a graduate student at the Goddard Institute for Space Studies in the early 1980s, when global climate models were beginning to show the effects of human-generated carbon dioxide on the global climate. As the only team member studying agronomy, she researched the impact on food production and has been working since then to answer those questions.

Rosenzweig’s work led to the Environmental Protection Agency’s first prediction of the effects of climate change on the nation’s agricultural regions in the agency’s assessment of the potential effects of climate change on the United States in 1988. She was the first to bring climate change to the attention of the American Society of Agronomy and she organized the first sessions on the issue in the 1980s. The research organization she founded, AgMIP, develops adaptation packages, which could include the use of more drought-tolerant seeds and improved water management practices.

Even the largest agribusiness corporations have shown a willingness to listen. Some models her colleagues have developed show how businesses could be effected by climate change and how they have a role to play in reducing the impact on climate.

“It’s really a global partnership of all the global food systems to come together to restrain climate change and maintain the food security for the planet,” she said.

1. What can we learn from paragraph 2?

A．Plants can hardly cause greenhouse gas emissions.

B．Issues of food security will result in climate change.

C．Improving food systems will help address climate change.

D．Some adaptable agricultural systems have been put into use.

2. Which of the following can best describe Rosenzweig?

A．Modest.

B．Devoted.

C．Adaptable.

D．Warm-hearted.

3. What is paragraph 5 mainly about?

A．Rosenzweig’s contributions.	B．Rosenzweig’s challenges.
C．Rosenzweig’s expectations.	D．Rosenzweig’s backgrounds.

4. What does the underlined word “they” in paragraph 6 refer to?

A．The models.	B．The practices.
C．The colleagues.	D．The businesses.

3 . 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

The ecological environment in the Sanjiangyuan National Park in northwest China’s Qinghai Province         1     (continue) to improve since the establishment of the national park in 2021, with water conservation capacity increasing by more than 6 percent annually, according to a newly    2    (release) report on the park’s development.

The park delivers over 60 billion cubic meters of high-quality freshwater downstream every year,    3     the grassland coverage and grass yield in the park have increased by over 11 percent and 30 percent    4     (respective), according to the report.

    5    (locate) on the Qinghai-Tibet Plateau, the Sanjiangyuan region serves as the headwaters for the Yangtze, Yellow and Lancang rivers, and is known as the “Water Tower of Asia”. In 2021, the Sanjiangyuan National Park, along with other four parks,     6     (list) as China’s first batch of national parks. The park has a total area of 190,700 square km, with an average altitude (海拔) of 4,700 meters.

According to Losang Tsering,     7    is an engineer of the Sanjiangyuan National Park Administration, the park has prioritized ecological restoration over the years,     8     (focus) on ecosystems such as glaciers and snow-capped mountains, high-altitude grasslands and meadows.

The Sanjiangyuan region is a typical    9    (represent) of the alpine (高山的) ecosystem and serves    10    an alpine biological germplasm bank, making it a crucial ecological security barrier in China.

4 . 听下面一段独白，回答以下小题。
1. How many people died in a landslide in 2003?

A．About two hundred.

B．Over one thousand.

C．About two thousand.

2. What has the Philippines banned for several years?

A．Growing grass.

B．Cutting down trees.

C．Growing population.

3. What does the speaker advise to protect our environment?

A．Growing more forests.

B．Chopping down the old forests.

C．Getting busy in protecting our country.

8 . After taking a few steps back, Hadj Benhalima rushed toward the building, pushed himself upward with his foot against the wall and stretched out his arm. At the peak of his jump, he flipped off a light switch, and the bright lights of a nearby barbershop went off immediately.

This is what Hadj and his friends have been doing for the past two years: swinging around Paris and switching off wasteful shop signs at night, in an effort to fight against light pollution and save energy. And they are all enthusiastic about Parkour — a sport that consists of running and jumping over urban obstacles.

While climbing other people’s property to turn off their lights may strike some as a form of trespassing (非法入侵), the Parkour athletes insist their activities are only about enforcing seldom-respected rules.

More than a decade ago, Paris City Hall issued orders requiring stores to turn off all signs and window displays from 1 am to 6 am, but they are widely ignored with little consequence. “for 10 years there has been no follow-up, no control, no punishment,” said Anne-Marie Ducroux, the head of the National Association for the Protection of the Sky and the Night Environment.

That is why Hadj and his friends have taken matters into their own hands. The group often gathers in the so-called Golden Triangle neighborhood, in western Paris, which is the center of French luxury.

Enforcing the orders in place of the authorities certainly enters a legal grey area. But the Parkour athletes say all the police officers they have met during their rounds have allowed their action — as long as it causes no damage.

And it seems that their efforts have produced the desired result, because Hadj says he has noticed that in recent months, several shops have stopped leaving their lights on after his group targeted them. He hopes others will follow suit. “At least, I’ll sleep better,” he said.

1. What are Hadj Benhalima and his friends trying to do at night?

A．To practice their Parkour skills.

B．To remove possible urban obstacles.

C．To turn off unnecessary store lights.

D．To ensure the safety of their neighborhood.

2. What can we learn about the rules set by the government?

A．They are too strict to follow.

B．They have achieved the desired effect.

C．They put great pressure on stores.

D．They are not carried out effectively.

3. What is the government’s attitude towards the Parkour athletes’ act?

A．Worried.

B．Supportive.

C．Doubtful.

D．Unconcerned.

4. What does the text mainly talk about?

A．Why Parkour is so popular among young people in Paris.

B．Why it is difficult to fight against light pollution in Paris.

C．How the lighting of shop signs affects the night view of Paris.

D．How young people in Paris help save energy through Parkour.

9 . Meet Retro, a cloned rhesus monkey born on July 16, 2020. He is now more than 3 years old and is “doing well and growing strong,” according to Falong Lu, a researcher at the Chinese Academy of Sciences, who published a study in the journal Nature Communications that describes how Retro came to be.

Retro is only the second species of primate (灵长类动物) that scientists have been able to clone successfully. The same team of researchers announced in 2018 that they had made two cloned cynomolgus monkeys, which are still alive today. “We have achieved the first live and healthy cloned rhesus monkey, which is a big step forward, although the efficiency is very low compared to fertilized embryos (受精胚胎),” said Lu. “Currently, we haven’t had the second live birth yet.”

The first animal to be cloned — Dolly the sheep — was created in 1996 using a technique called SCNT, where scientists essentially reconstruct an unfertilized egg by joining a somatic cell nucleus (体细胞核) with an egg in which the nucleus has been removed. The Chinese team improved the technique further to clone the rhesus monkey.

During hundreds of failed cloning attempts, they realized that, in the early cloned embryos, the outer part did not develop properly. To address this problem, they performed a process called inner cell mass transplantation, which involved putting cloned inner cells into a non-cloned embryo, and that allowed the clone to develop normally. “We think that there might be additional… abnormalities to be fixed. Strategies to further enhance the success rate of SCNT in primates remains … our main focus in the future,” Lu said.

The researchers said that being able to successfully clone monkeys might help accelerate biomedical research given that there are limitations on what scientists can learn from lab mice. Research on nonhuman primates, which are closer to humans, has been crucial for lifesaving medical advances, including the creation of medicines against Covid-19, according to a report by National Academies of Sciences, Engineering and Medicine.

1. What can be learned about Retro?

A．It is the second live cloned rhesus monkey.	B．It represents a major scientific breakthrough.
C．It is a cloned monkey from a fertilized embryo.	D．It has outlived the cloned cynomolgus monkeys.

2. What is Paragraph 3 mainly about?

A．The purpose.

B．The process.

C．The difficulty.

D．The method.

3. How did scientists address the problem from failed attempts?

A．Give the clone space to grow.	B．Fix additional abnormalities.
C．Change a non-cloned embryo.	D．Help inner cells develop properly.

4. What is the purpose of the text?

A．To present the recent progress in cloning.	B．To reveal challenges in cloning monkeys.
C．To call for research on nonhuman primates.	D．To stress the importance of medical advances.

10 . 听下面一段较长对话，回答以下小题。
1. How does the woman feel at first?

A．Curious.

B．Surprised.

C．Excited.

2. What in the forest made the man think about rotting?

A．Flowers.

B．Mushrooms.

C．Trees.

3. How many colors of the mushrooms does the woman mention?

A．Two.

B．Three.

C．Four.

4. When will the speakers return to the forest?

A．On Thursday.

B．On Friday.

C．On Saturday.