APIELuyện từ vựng: Tài nguyên nước toàn cầu
Water scarcity and global resources
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💧 Water Resources & Conservation
📋 How to Use This Lesson
For Teachers
• Spend 20 minutes guiding vocabulary in class or assign as an independent study unit.
• Use the model answer drawers beneath practice sets for rapid peer review and checking.
For Learners
• Study the 10 target terms, collocations, and memory anchors in the Master Table first.
• Solve the 16 tiered practice items, then record all 12 speaking cards to cement pronunciation.
Figure 1: Visible shoreline depletion and cracked silt in a drying catchment basin during severe dry spells.
📖 Master Vocabulary: 10 Target Words
Study definitions, natural collocations, word forms, and memory anchors organized into three thematic clusters.
| Word | Meaning | Common Collocations | Word Forms | Example Sentence | Memory Tip |
|---|---|---|---|---|---|
| Cluster 1: Shortage & Dry Conditions | |||||
| scarcity | A severe state of being in short supply or difficult to obtain. | acute scarcity, water scarcity, seasonal scarcity | scarce (adj) | Prolonged heat has caused an acute scarcity of clean drinking supplies across the valley. | Link scarce with scare: when water is so rare it causes a scare. |
| drought | A prolonged period of abnormally low rainfall leading to severe water shortages. | severe drought, prolonged drought, drought-stricken | — | Farmers watched their wheat fields wither away during the multi-year drought. | Think of dry out → drought (sounds like "drout"). |
| depletion | The reduction in the number or quantity of something precious until little remains. | groundwater depletion, resource depletion, rapid depletion | deplete (v) | Uncontrolled pumping has caused the depletion of underground aquifers at an alarming pace. | Opposite of complete: to "de-plete" is to empty something out completely. |
| arid | Having little or no rain; too dry or barren to support vegetation naturally. | arid climate, arid zone, semi-arid plateau | aridity (n) | Cacti and drought-resistant shrubs thrive best in this naturally arid terrain. | Sounds like air-id: all hot air, zero moisture. |
| Cluster 2: Using & Storing Water | |||||
| irrigation | The artificial application of water to land or soil to assist the growth of crops. | drip irrigation, irrigation canal, spray irrigation | irrigate (v) | Modern drip irrigation delivers moisture directly to plant roots, cutting water waste by half. | Think of an artificial river feeding crops → irri-gation. |
| reservoir | A large natural or artificial lake used as a source of water supply. | tap into a reservoir, fill a reservoir, subterranean reservoir | — | Water levels in the municipal reservoir dropped to thirty percent capacity by late August. | Direct relative of reserve: a giant container built to keep water in reserve. |
| consumption | The using up of a resource, or the amount of that resource consumed. | water consumption, curb consumption, domestic consumption | consume (v), consumer (n) | The government urged factories to curb excessive water consumption during peak summer. | You consume food or energy; water consumption is what homes and farms use up. |
| Cluster 3: Managing & Protecting Supplies | |||||
| allocate | To distribute resources or duties for a particular purpose according to a plan. | allocate water quotas, allocate resources, fairly allocate | allocation (n) | Authorities must allocate sufficient water rations between commercial farms and towns. | Connect with locate: assign a portion to its proper location. |
| contaminate | To make something impure, poisonous, or unfit for use by adding harmful substances. | contaminate groundwater, chemical contamination, heavily contaminated | contamination (n), contaminated (adj) | Industrial waste leaking from the pipeline threatens to contaminate local freshwater wells. | Think of contact with toxic: unwanted contact ruins the water. |
| replenish | To fill something up again; restore to a previous level or condition. | replenish aquifers, replenish reserves, replenish supplies | — | Heavy winter snowfall is essential to replenish the mountain reservoirs before spring. | Contains plenty: to re-plenish is to make water supplies plentiful again. |
Figure 2: Precision drip irrigation feeding vital moisture directly to crops within an arid desert valley.
Practice Exercises (16 Questions)
Test collocations, dialogues, context precision, and word transformations.
Task 1: Collocation Matrix (Water Verbs & Objects)
Match each strong water action verb on the left to its single best matching resource noun.
1. curb/reduce → consumption | 2. allocate/share out → quotas | 3. irrigate/water → farmland | 4. replenish/restore → aquifers
Task 2: Dialogue Gap-Fill (Regional Water Board)
Complete the committee exchange using words from the shuffled bank below. Use each word exactly once.
Director: "Our territory is already naturally ____ (word 1) , but this two-year rainfall deficit has triggered an outright agricultural crisis."
Hydrologist: "Indeed. If this prolonged ____ (word 2) continues through autumn, water reserves behind the regional dam will collapse completely."
Director: "How much usable volume currently remains in the primary municipal ____ (word 3) ?"
Hydrologist: "Barely thirty percent. We must immediately ____ (word 4) strict weekly quotas to every commercial grower until winter storms arrive."
Blank 1: arid | Blank 2: drought | Blank 3: reservoir | Blank 4: allocate
Task 3: Choose the Word (Contextual Precision)
Select the single word that fits both the natural collocation and the formal environmental context.
1. After consecutive failed monsoons, the province experienced acute water ________, leaving millions reliant on emergency tanker deliveries.
2. A devastating multi-year ________ permanently lowered the water table.
3. Shifting from surface flood channels to automated drip ________ allowed desert orchards to flourish while conserving precious groundwater.
4. Excessive extraction for export-oriented agribusiness has accelerated the rapid ________ of underground aquifers across the central basin.
1: a (scarcity) | 2: a (drought) | 3: b (irrigation) | 4: a (depletion)
Task 4: Word Formation
Transform the root word in parentheses into the grammatically correct form for the sentence.
1. Fresh surface water became so ____ (scarcity) during July that surrounding villages had to ration every bucket.
2. The extreme ____ (arid) of the southern plateau prevents standard farming without continuous piped water.
3. Agronomists designed a computerized network to ____ (irrigation) the olive groves only during cool evening hours.
4. Routine laboratory assays confirmed that the runoff had severely ____ (contaminate) the municipal catchment creek.
1: scarce | 2: aridity | 3: irrigate | 4: contaminated
Shadowing & Pronunciation Clinic (12 Items)
Listen to the natural native audio model via TTS (🔊), then record your voice into each box to analyze rhythm, stress, and clarity.
Focus on the sharp /k/ sound in "acute" and the steady rhythm of "scarcity".
[Bài tập luyện nói]
____Emphasize the primary stress on "-ces-" in excessive and "-sump-" in consumption.
[Bài tập luyện nói]
____Link "replenish" smoothly into "underground", keeping the three-syllable /ˈæk.wɪ.fər/ crisp.
[Bài tập luyện nói]
____Maintain four clear syllables in /ˈek.wɪ.tə.bli/ before the initial stress of /ˈæl.ə.keɪt/.
[Bài tập luyện nói]
____[Bài tập luyện nói]
____[Bài tập luyện nói]
____[Bài tập luyện nói]
____[Bài tập luyện nói]
____Pause briefly after "consumption" to reset your breath before the final clause.
[Bài tập luyện nói]
____Group your phrasing naturally: [Precision irrigation] , [helped growers protect crops during the drought] ...
[Bài tập luyện nói]
____⚠️ Common Pitfall: Do not pronounce the "gh" like "f" (as in laugh) or rhyming with bought.
✅ Rhymes exactly with doubt and out. Release a crisp final /t/.
[Bài tập luyện nói]
____⚠️ Common Pitfall: Placing the main stress on the second syllable (*ir-RI-ga-tion*).
✅ Primary stress lands squarely on syllable three: ir-ri-GA-tion.
[Bài tập luyện nói]
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