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Question 1 of 5

Read the email from James to his cousin. Choose one word from the list for each gap.

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Question 2 of 5

The sentences below are from some instructions. Put the sentences in the right order. The first sentence is done for you.

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Question 3 of 5

The sentences below are from a report. Put the sentences in the right order. The first sentence is done for you.

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Question 4 of 5

Four people respond in the comments section of an online magazine article about sustainable living. Read the texts and then answer the questions below.

1. Who prefers buying goods that come with little packaging? --- Maya Luka Zara Felipe
2. Who thinks people shouldn’t feel pressured to be perfect? --- Maya Luka Zara Felipe
3. Who believes that powerful groups must take the lead? --- Maya Luka Zara Felipe
4. Who combines everyday habits with participating in campaigns? --- Maya Luka Zara Felipe
5. Who mentions shopping at smaller businesses? --- Maya Luka Zara Felipe
6. Who argues that strict routines are unrealistic? --- Maya Luka Zara Felipe
7. Who says individual actions are not enough on their own? --- Maya Luka Zara Felipe

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Question 5 of 5

Read the passage quickly. Choose a heading for each numbered paragraph (1–7). There is one more heading than you need.

The Plastic-Eating Solution

1. --- Ecological anxieties and potential biohazards The geographical and temporal origins of the discovery Procedural hurdles in industrial-scale implementation Natural mechanisms as a countermeasure to pollution Theoretical fallacies of a biological panacea Visions of progress and commercial viability Legislative frameworks and collective intervention Macro implications of microscopic catalysts

   An enormous, unprecedented volume of synthetic polymers infiltrates the world’s fragile oceans annually, precipitating a catastrophic crisis for marine biodiversity, fragile ecosystems, and global coastal integrity. Conventional physical reclamation techniques and traditional recycling strategies frequently prove entirely inadequate to contain this tidal wave of debris, prompting the global scientific community to urgently explore radical, untested alternatives. A significant breakthrough involves a specific bacterial strain capable of efficiently metabolizing plastic compounds within a matter of weeks—a stunning feat of biological resilience and natural adaptation that counters a destructive material degradation process that typically spans multiple centuries in natural environments.

2. --- Ecological anxieties and potential biohazards The geographical and temporal origins of the discovery Procedural hurdles in industrial-scale implementation Natural mechanisms as a countermeasure to pollution Theoretical fallacies of a biological panacea Visions of progress and commercial viability Legislative frameworks and collective intervention Macro implications of microscopic catalysts

   The inaugural identification of this rare, specialized microorganism originally occurred at a local waste management facility located in Japan back in the year 2016. Following this historic breakthrough, international researchers quickly initiated a complex series of intense genetic enhancements to significantly augment its baseline metabolic rate and efficiency. The underlying premise of the project was to harness natural evolutionary adaptations to counteract a human-made ecological catastrophe of global proportions. Under rigorous laboratory supervision and climate-controlled settings, these engineered microbes successfully disintegrated complex consumer plastics into completely benign organic components, marking a temporal milestone in bio-discovery.

3. --- Ecological anxieties and potential biohazards The geographical and temporal origins of the discovery Procedural hurdles in industrial-scale implementation Natural mechanisms as a countermeasure to pollution Theoretical fallacies of a biological panacea Visions of progress and commercial viability Legislative frameworks and collective intervention Macro implications of microscopic catalysts

   Translating these initial laboratory triumphs into a commercially viable, wide-scale application presents formidable, multifaceted obstacles and complex technical hurdles for engineers. The fragile bacteria’s survival and sustained activity are heavily contingent upon maintaining precise thermal ranges and strict nutritional parameters, conditions that remain prohibitively expensive to replicate efficiently in uncontrolled, open-air natural environments. Consequently, current research efforts are pivoting toward the isolation, stabilization, and chemical engineering of specific bacterial enzymes that might operate with far greater autonomy, robust resilience, and industrial efficiency without requiring massive financial investments.

4. --- Ecological anxieties and potential biohazards The geographical and temporal origins of the discovery Procedural hurdles in industrial-scale implementation Natural mechanisms as a countermeasure to pollution Theoretical fallacies of a biological panacea Visions of progress and commercial viability Legislative frameworks and collective intervention Macro implications of microscopic catalysts

   Ecological advocacy groups and environmental watchdogs have voiced profound apprehension regarding the potential long-term biohazards of introducing genetically modified agents directly into the wild ecosystem. There are widespread, deeply rooted fears that an unregulated, accidental proliferation of these synthetic organisms could inadvertently result in the unintended degradation of essential plastic-based infrastructure, such as underground pipes or cables, or the severe disruption of delicate marine food webs. Such valid environmental concerns have necessitated an incredibly cautious approach from governments, with exhaustive safety protocols and isolation barriers being strictly implemented prior to any real-world field deployment.

5. --- Ecological anxieties and potential biohazards The geographical and temporal origins of the discovery Procedural hurdles in industrial-scale implementation Natural mechanisms as a countermeasure to pollution Theoretical fallacies of a biological panacea Visions of progress and commercial viability Legislative frameworks and collective intervention Macro implications of microscopic catalysts

   Notwithstanding the aforementioned environmental hazards and legal roadblocks, a prevailing sense of deep confidence exists among biotech specialists regarding the massive transformative power of this modern technology. Should these advanced enzymatic solutions be successfully regulated and standardized, they possess the genuine potential to completely overhaul the trillion-dollar global waste management sector. Private capital, venture funds, and corporate investments are already flowing heavily into new commercial ventures aimed at fully integrating these biological tools directly into the mass manufacturing cycles of the global textile and commercial packaging industries.

6. --- Ecological anxieties and potential biohazards The geographical and temporal origins of the discovery Procedural hurdles in industrial-scale implementation Natural mechanisms as a countermeasure to pollution Theoretical fallacies of a biological panacea Visions of progress and commercial viability Legislative frameworks and collective intervention Macro implications of microscopic catalysts

   Concurrently, the global political landscape is rapidly shifting to address the plastic epidemic through official institutional means, legislative reforms, and international agreements. A growing number of sovereign jurisdictions have recently enacted strict fiscal levies, heavy taxes on non-recyclable materials, and bans on single-use items while simultaneously incentivizing a commercial transition toward compostable alternatives. Nevertheless, there is an absolute consensus among world leaders that technological advancement alone is insufficient, and must be accompanied by comprehensive civic engagement, grassroots educational programs, and coordinated international diplomatic synergy.

7. --- Ecological anxieties and potential biohazards The geographical and temporal origins of the discovery Procedural hurdles in industrial-scale implementation Natural mechanisms as a countermeasure to pollution Theoretical fallacies of a biological panacea Visions of progress and commercial viability Legislative frameworks and collective intervention Macro implications of microscopic catalysts

   If this micro-organic bacterial experiment ultimately succeeds on a global scale, it may represent a monumental turning point in the macro fight against catastrophic plastic pollution. Natural biological processes could once again offer the ultimate key to human survival, effectively reminding humanity that the grand solutions to our most complex modern problems often lie hidden within the smallest, microscopic forms of life. These microscopic catalysts carry massive, heavy implications for the future of the entire biosphere, proving that tiny cellular adaptations can fundamentally alter global environmental outcomes and undo decades of industrial damage.