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Around the world，people are realizing the significant problems caused by plastic waste.In the last 65 years，we have become increasingly dependent on plastic.It's easy to understand why：it's cheap to produce，light - therefore easy and cheap to transport - and incredibly strong and durable. （1）
A
A

   One popular solution to the problem is to prohibit single use plastics.In the British supermarkets，shoppers are encouraged to make more environmentally-friendly choices in packing and transporting their food. （2）
E
E
Some governments have even promised to ban the use of single-use plastic altogether by the not-too-distant future.
   However，such plans may not be beneficial to eliminate （消除） the use of single-use plastic altogether. （3）
C
C
This is not just because of its low cost.It's also because infection and cross-contamination （交叉感染） are minimized.Plastic packaging is also crucial in the food industry.It ensures that food is safe for consumers.
   Another issue is that alternative materials to plastic are often more environmentally harmful than plastic.Take paper bags，for example.（4）
B
B
The process requires cutting trees，the emission of greenhouse gases and the production of poisonous chemical waste.Even more pollution is created when paper bags break down.
   Clearly there is a need to reduce plastic waste and its impact on the environment. （5）
D
D
Industries that rely on single-use plastics for people's health and safety must be considered.Moreover，alternative materials must be evaluated strictly regarding their own environmental impact.

A.But it's these advantages that also make it so harmful.
B.They are very fragile and rarely reusable，unlike plastic.
C.One of the fields where single-use plastic has a vital role is medicine.
D.However，simply banning their single use may not be the best option.
E.It also boosts the local economy and save costs in managing littering and waste.
F.Bans on single-use plastic items like drinking straws are also coming into place.
G.According to a research，they require four times more energy when produced than a plastic bag.

【答案】A；E；C；B；D
【解答】
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發(fā)布：2024/4/20 14:35:0組卷：6引用：3難度：0.5
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  • 1．In our modern world，when something wears out，we throw it away and buy a new one．The problem is that countries around the world have growing mountains of （1）
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       Our appetite for new products also （7）
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    ．Repairing our possessions and changing our spending habits may be the best way to reduce the amount of rubbish and take care of our environment．

    （1） A．gifts B．rubbish C．debt D．products
    （2） A．face B．become C．observe D．change
    （3） A．hide B．control C．replace D．withdraw
    （4） A．safe B．funny C．cheap D．powerful
    （5） A．love B．lack C．prevention D．division
    （6） A．ways B．places C．jobs D．friends
    （7） A．a(chǎn)dapts B．returns C．responds D．contributes
    （8） A．tired of B．a(chǎn)ddicted to C．worried about D．a(chǎn)shamed for
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    （12） A．show B．record C．decrease D．measure
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    （14） A．by B．in favour of C．a(chǎn)fter D．instead of
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    發(fā)布：2024/10/18 2:0:2組卷：29引用：2難度：0.4

  • 2．Microbiologists have designed a sustainable way to remove polluting microplastics from the environment by using bacteria.Initial design as it is，it paves the way for sustainably lowering plastic pollution levels and stop the"plastification".
       Bacteria naturally tend to group together and stick to surfaces，and this creates a sticky material called"biofilm".Researchers at the Hong Kong Polytechnic University （PolyU） want to use this adhesive bacteria character and capture microplastics in polluted water to form an easily disposable and recyclable blob（團(tuán)）.
       Sylvia Lang Liu，microbiology researcher at PolyU and lead researcher on this project，together with his team，has engineered a bacterial biofilm，which can fix and absorb microplastics floating around in the water，and make them sink to the bottom of the water.Then the researchers can separate the microplastics from the bacteria traps and get them ready to recycle.
       Microplastics are the plastic fragments，usually smaller than 5mm，which are accidentally released into the environment during production and breakdown of grocery bags or water bottles，or during everyday activities such as washing synthetic （合成的） clothes or using personal care products with scrubbing microbeads in them.Microplastics are visually tiny，making it challenging to develop effective solutions to trap，collect，and recycle them.
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       "This is an innovative application of biofilm engineering to address the plastic pollution crisis，" said Dr Joanna Sadler，researcher at University of Edinburgh，who was not involved in this study."One of the biggest challenges in dealing will microplastics is capturing such small particles Liu and co-workers have demonstrated an elegant solution to this problem，which holds great potential to be further developed into a real-world wastewater treatment technology，"

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    A．They are visually too small.
    B．They are hard to biodegrade.
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    D．They are poisonous chemicals.
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    A．Small particles are essential to address water pollution .
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    A．Microplastic removal.
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    C．Wastewater treatment.
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    發(fā)布：2024/9/13 2:0:8組卷：5引用：6難度：0.6

  • 3．The impact of the man-made climate crisis on Antaretica is scientifically undeniable：stable ice shelves are retreating，air temperature increased by 3 degrees Celsius，krill（磷蝦）numbers are declining，melting ice is contributing to sea level rise，and polar bears and seals are getting displaced."Antaretic biodiversity could decline substantially by the end of the century if we continue with business as usual."Jasmine Rachael Lee，lead author of the University of Queensland study says.
       Published in the journal PLOS Biology，the study finds population declines are likely for 65%of the continent's plants and wildlife by the year 2100.The most vulnerable（脆弱的）species is the Emperor penguins.In October 2022，the U.S.Fish and Wildlife Service listed Emperor penguins as a threatened species under the Endangered Species Act（ESA），as experts predict the flightless seabird will see a 26%to 47%dip in its population by 2050."This listing reflects the growing extinction crisis and highlights the importance of the ESA and efforts to conserve species before population declines become irreversible（不可逆轉(zhuǎn)）."said Service Director Martha Williams at the time.
        Aside from Emperor penguins，other Antarctic specialists，like the Adélic penguin and dry soil nematodes，were also highly vulnerable.We urgently need a combination of global and local conservation action to best conserve Antarctic species.Global action and global voices to help relieve climate change—because the biggest threat to Antaretica is coming from outside of it.And then we need local actions to help protect biodiversity against local threats and give them the best chance of adapting to climate changes.This will help to save our iconic （代表性的） species like the Emperor penguins and all of Antaretical's unique and highly adapted inhabitants.It will also help humankind，as we rely heavily on the priceless services the Antarctic provides in regulating our climate and capturing sea level in its ice sheets.

    （1）What can we learn from Paragraph 1？

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    A．Plants and Wildlife on Antarctica Will Deeline Quickly
    B．Antaretic Species Are Vulnerable to Human Threats
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    D．The Best Conservation Strategy Will Be Carried Out Soon

    發(fā)布：2024/9/4 7:0:9組卷：18引用：8難度：0.5
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