1 . Why is the fish in danger of dying out?

A．Because of over-fishing.

B．Because of water pollution.

C．Because of a natural disaster.

2 . 听下面一段对话，回答以下小题。

1. What animal is in the video that the woman saw?

A．A duck.

B．A turtle.

C．A fish.

2. What do scientists think could happen by 2050?

A．There will be fewer fish in the sea than plastics.

B．50% of the fish in the ocean will die.

C．All businesses will stop using straws.

3. Where will the speakers go next?

A．To a restaurant.

B．To a gift shop.

C．To a coffee shop.

3 . 听下面一段独白，回答以下小题。
1. What’s getting less and less these days according to the talk?

A．Empty land.

B．Garbage.

C．Water.

2. What do people suggest to deal with garbage?

A．Burying it.

B．Sending it out of our planet.

C．Using it as an energy source.

3. What is the problem with burning garbage?

A．It is hardly ever done.

B．It causes air pollution.

C．It is useless for hard materials.

4 . A new study by researchers at the University of British Columbia (UBC) and the University of Victoria has shown that common levels of traffic pollution can damage human brain function in only a matter of hours.

“For many decades, scientists thought the brain may be protected from the harmful effects of air pollution,” said senior study author Dr. Chris Carlsten. “This study, which is the first of its kind in the world, provides fresh evidence supporting a connection between air pollution and cognition.”

For the study, the researchers briefly exposed 25 healthy adults to diesel exhaust (柴油废气) and filtered air at different times in a laboratory setting. Brain activity was measured before and after each exposure using functional magnetic resonance imaging (fMRI).

The researchers analyzed changes in the brain’s default mode network (DMN), a set of inter-connected brain regions that play an important role in memory and internal thought. The fMRI revealed that participants had decreased functional connectivity in widespread regions of the DMN after exposure to diesel exhaust, compared to filtered air.

“We know that altered functional connectivity in the DMN has been associated with reduced cognitive performance and symptoms of depression, so it’s concerning to see traffic pollution interrupting these same networks,” said Dr. Jodie Gawryluk, a psychology professor at the University of Victoria and the study’s first author. “While more research is needed to fully understand the functional impacts of these changes, it’s possible that they may impair (损害) people’s thinking or ability to work.”

Notably, the changes in the brain were temporary and participants’ connectivity returned to normal after the exposure. Dr. Carlsten assumed that the effects could be long lasting where exposure is continuous. He said that people should be mindful of the air they’re breathing and take appropriate steps to minimize their exposure to potentially harmful air pollutants like car exhaust.

1. How does traffic pollution affect people according to the study?

A．Exhausting their body.	B．Decreasing their income.
C．Endangering their safety.	D．Harming their brain function.

2. What may the DMN be responsible for?

A．Growth.

B．Sport.

C．Memory.

D．Behaviour.

3. What can people do to reduce the impact according to Dr. Carlsten?

A．Avoid being exposed to the polluted air constantly.

B．Be mindful of the air quality in a new city.

C．Measure the brain activity in laboratories.

D．Stay inside a house as often as possible.

4. What is the best title for the text?

A．A Role Of Brain Will Be Ruined

B．Traffic Pollution May Impair Brain Function

C．A Famous UK University Did A Vital Study

D．A Source Of Pollution Has Drawn People’s Attention

5 . You are welcome to our channel. An interest in the way ocean currents move led Dr. Erik van Sebille to track garbage. This Dutch scientist hopes that by making us aware of how much we litter our oceans, we’ll be motivated to better stash (存放) our garbage.

Question: Where does the garbage in our oceans come from ?
Answer: It can come from litter people leave behind on beaches. Or from things falling off ships. Almost every river’s garbage will end up in the ocean too. Plastic garbage is the biggest problem, though. That’s because it doesn’t easily break down. It can stay in the ocean for thousands of years. Eventually, it arrives at the garbage patches (垃圾带).
Question: Does this mean that ocean garbage is worse than garbage on land ?
Answer: Litter in the ocean is probably just as bad as litter in a forest or a park. The main problem in either place is that, if animals eat plastic pieces, they can become very ill. But we know how to solve the problem: Just stop polluting!
Question: Many persons love tossing a message in a bottle into the ocean. Is that a bad idea ?
Answer: Finding a bottle with a message in it is awesome, very special! But most bottles will never end up on a beach. They’ll turn up in the garbage patches, where it’s unlikely that someone will find them. If you want to play with ocean currents, go to the website and release virtual bottles. That way, you’re   not littering our oceans.
1. Animals can become very ill if they _______________.

A．turn up in the garbage patches.	B．arrive at the garbage patches.
C．eat plastic pieces.	D．play with bottles.

2. It is almost _______________ to toss a message in a bottle into the ocean.

A．educative.

B．useful.

C．interesting.

D．meaningless.

3. This passage belongs to a   _______________.

A．story.

B．poem.

C．scientific article.

D．television interview.

6 . Water companies have pumped waste water into Britain’s seas and rivers for more than nine million hours since 2016, new data suggests. The figure is an increase of 2,553% over five years, according to Environment Agency (EA) data, so the EA warned holidaymakers to avoid dozens of beaches across England and Wales this week.

Untreated waste water was spotted pouring into the sea near Bexhill, East Sussex on Wednesday. On Saturday, the red flags were removed, meaning the water was officially considered safe to bathe in. The beach, however, was nearly deserted.

Rachel Streeter moved to Bexhill in 2007 to enjoy wild swimming and the beach. “Flies actually flew above the surface of the water as well as the waste water. It’s quite horrible,” she said. Rachel says her friends and family have all become sick after swimming. Her 79-year-old mother went for a swim last week and fell ill with “a severe bacterial infection (感染)”.

Businesses say they are being affected by it too. Cliff Meadon, who runs business in the sea, says he has lost “thousands” pounds over the last two years due to water pollution. “We’ve been on the water with groups when we’ve had to come in as the waste comes out,” he said.

In Hastings people were advised not to swim due to a pollution risk this week. Beaches in Normans Bay as well as Bexhill were closed but have now reopened.

Southern Water argued that the water company had not been deliberately (故意的) pouring untreated water into the sea. A spokesperson for the company said, “This week’s heavy rain has fallen onto dry ground that can’t absorb surface run-off, meaning that more rain than usual has entered our waterway networks. This led to some overflows, spilling some untreated water into the sea.”

Southern Water was fined £90 million last year for widespread pollution after sending out more than 6,000 untreated waste water.

1. What warning has the EA given?

A．Holidaymakers not going to certain beaches.

B．A severe bacterial infection breaking out in the UK.

C．Southern Water stopping pouring waste water into the sea.

D．Cliff Meadon stopping running business in the sea.

2. What caused the problem according to the spokesperson for Southern Water?

A．Heavy rainfalls.	B．Too many holidaymakers.
C．Damaged waterway networks.	D．Poor management of water companies.

3. Which of the following serves as the best title?

A．Holidaymakers facing pollution risk

B．Dozens of Britain’s beaches closed to holidaymakers

C．Lots of families pouring untreated waste water into seas

D．Huge increase in untreated waste water entering Britain’s seas

4. In which section of the website are you likely to read the text?

A．Health.

B．Business.

C．Environment.

D．Sports.

7 . 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。

A recent research shows that 86% of the world’s rivers have been damaged by human activities. The research     1     (conduct) by experts from a university in Toulouse, France,     2     examined data on over 2,500 rivers around the world.     3     (look) into changes in biodiversity (多样性) over the past 200 years, the scientists discovered that biodiversity in over half of the rivers has been seriously damaged by humans. The researchers said there were many reasons     4     this damage. A big reason is the     5     (introduce) of new species of fish into rivers. Other reasons include pollution, dams, overfishing, farming     6     climate change.

Unsurprisingly, the worst-hit rivers are in western Europe and North America. This is because these regions have large and rich     7     (city) crowded with people. The lead researcher Brosse said: “Rivers which have the most economic development around them, like the Mississippi River, are the most     8     (strong) affected.” The River Thames in London was one of the worst-affected rivers in the study. The least-affected rivers are in Africa and Australia. This is probably due to a     9     (slow) rate of industrialization in Africa and smaller population around rivers in Australia. Brosse added that rivers in many rich nations are unrecognizable compared with how they     10     (be) 200 years ago.

8 . While masks and gloves have been shown to reduce the risk of transmitting the coronavirus, the widespread increase in single-use personal protective equipment, or PPE, is worsening the problem of plastic pollution, conservationists said.

Julie Hellec, 41, a volunteer from Operation Mer Propre, a French nonprofit ocean conservation organization, said the plastic pollution stemming from the COVID-19 pandemic has become “a huge problem”.

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__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

9 . Nuclear pollution is a serious global   ___________, brought to the forefront by major accidents at Three Mile Island, Chernobyl, and Fukushima. These events have demonstrated the significant health and environmental risks _________by nuclear disasters. Not only have they caused immediate health problems, such as radiation sickness and increased cancer rates, but they have also _________lasting environmental damage and genetic changes in affected communities. As a result, nuclear pollution remains a pressing concern for governments, scholars, and individuals worldwide.

When nuclear accidents occur in coastal areas, the _________environment becomes a critical concern due to the crucial role that oceans play in _________the climate, ensuring food security, and supporting the livelihoods of billions of people globally. In recent years, the increasing threats to marine ecosystems from ocean pollution have _________public awareness of the need to protect the marine environment. Studies have shown that human activities pose a _________threat to marine environments, emphasizing the importance of improving environmental management and taking measures to mitigate environmental risks.

Following the Fukushima nuclear disaster in 2011, efforts to cool the reactors by pumping in seawater resulted in the _________of a significant amount of nuclear waste in the water storage tank at the Fukushima Nuclear Power Plant. _________attempts to manage this waste, the Japanese government’s decision to release nearly 1.26 million tons of nuclear wastewater into the Pacific Ocean over the next 40 years has faced opposition __________neighboring countries, local ____________, and international environmental organizations.

This __________poses serious risks to marine life, fisheries, and human health. Radioactive isotopes present in the wastewater, such as tritium, carbon-14, cobalt-60, and strontium-90, can accumulate in marine organisms and ultimately affect human populations through the food ____________. Therefore, there is an/a ____________need for further research and mitigation measures to __________the widespread impacts of nuclear pollution on the environment and human health.

1.

A．change

B．opportunity

C．concern

D．possibility

2.

A．caused

B．posed

C．created

D．increased

3.

A．resulted in

B．led to

C．brought about

D．caused

4.

A．terrestrial

B．aquatic

C．marine

D．atmospheric

5.

A．balancing

B．regulating

C．considering

D．stabilizing

6.

A．heightened

B．raised

C．decreased

D．lifted

7.

A．minor

B．slight

C．substantial

D．insignificant

8.

A．accumulation

B．storage

C．deposition

D．buildup

9.

A．Therefore

B．Despite

C．However

D．Hence

10.

A．from

B．by

C．of

D．in

11.

A．residents

B．citizens

C．inhabitants

D．dwellers

12.

A．issue

B．measure

C．release

D．disposal

13.

A．web

B．chain

C．network

D．system

14.

A．urgent

B．immediate

C．pressing

D．critical

15.

A．address

B．tackle

C．solve

D．resolve

10 . 阅读短文，在空白处填入适当的内容或括号内单词的正确形式。

There are     1     (vary) causes of water pollution. Large amounts of industrial waste poison the water after they enter water bodies. Moreover, animal and human waste pollutes the water. Water pollution is also caused by     2     (poison) chemicals used in agriculture.

    3     (pollute) water bodies not only do harm to animals and plants; they also have a long-lasting effect     4     humans. For example, in many parts of the world, the poor quality of the local     5     (drink) water gives rise     6     public health problems.

    7     (prevent) further damage     8     water bodies, it is necessary to take some measures. First, we must draw public attention     9    the problem. Second, more strict laws should    10     (pass) to help reduce water pollution. Third, we can volunteer to take part in clean-up activities.