Unit1 Water单元语法填空专项训练100题-2025-2026学年沪教版（五四学制）八年级上册英语

沪教版（五四学制）八年级英语上册Unit1 Water单元语法专项训练 用括号里单词的正确形式填空。 1. If you________ (boil) the water, it________ (turn) into steam. 1. The water________ (pollute) seriously if factories________ (dump) waste water into rivers without treatment. 1. Unless we________ (take) action to save water, we________ (face) a serious water shortage in the future. 1. When the temperature________ (drop) below zero, the water in the lake________ (freeze). 1. As soon as the rain________ (stop), we________ (go) to clean up the river banks. 1. Water________ (be) used in many ways in our daily life, such as cooking, cleaning and________ (irrigate). 1. If you________ (leave) the water running while brushing your teeth, a large amount of water________ (waste). 1. The water cycle________ (include) evaporation, condensation and precipitation, which________ (be) very important for the balance of the ecosystem. 1. When the sun________ (shine) on the ocean, the water________ (evaporate) and forms clouds. 1. Unless we________ (protect) our water resources, many species________ (lose) their habitats. 1. If we________ (recycle) water, we________ (save) a lot of fresh water. 1. As long as we________ (keep) the water clean, it________ (provide) us with a good living environment. 1. When it________ (rain) heavily, the river________ (rise) quickly and may cause floods. 1. Water________ (be) composed of hydrogen and oxygen, and it________ (play) a vital role in all living organisms. 1. If we________ (not value) water, we________ (suffer) from its shortage someday. 1. The water in the reservoir________ (supply) the city with drinking water if it________ (be) treated properly. 1. Once the water________ (be) polluted, it________ (take) a long time to make it clean again. 1. When the ice________ (melt), it________ (turn) into water. 1. Unless we________ (reduce) water pollution, the quality of our drinking water________ (decline). 1. If you________ (pour) oil into water, it________ (float) on the surface. 1. Water________ (exist) in three states: solid, liquid and gas, and the state it________ (be) in depends on the temperature. 1. As soon as the water________ (reach) 100 degrees Celsius, it________ (begin) to boil. 1. When the water________ (flow) through the pipes, it________ (make) some noise. 1. Unless we________ (educate) people about water conservation, they________ (not realize) the importance of saving water. 1. If we________ (use) water - saving appliances, we________ (cut down) our water consumption. 1. The water treatment plant________ (process) the wastewater before it________ (be) released into the river. 1. When the water________ (be) too dirty, it________ (not be suitable) for any use. 1. Once the water source________ (be) contaminated, the whole community________ (be affected). 1. If you________ (mix) salt with water, the water________ (become) salty. 1. Water________ (be) essential for agriculture, and without it, crops________ (not grow). 1. As long as we________ (monitor) the water quality regularly, we________ (be able to) ensure its safety. 1. When the water level________ (drop) in the well, we________ (have to) dig deeper. 1. Unless we________ (enforce) strict laws on water protection, water pollution________ (continue) to be a serious problem. 1. If we________ (collect) rainwater, we________ (have) an additional source of water. 1. The water in the swimming pool________ (be changed) regularly to keep it clean if people________ (use) it frequently. 1. Once the water________ (evaporate) from the surface, it________ (form) clouds in the sky. 1. When the water________ (be) frozen, its volume________ (expand). 1. Unless we________ (raise) people's awareness of water conservation, they________ (keep) wasting water. 1. If you________ (put) a plant in water, it________ (absorb) water through its roots. 1. Water________ (be) used to generate electricity in hydro - power stations, which________ (be) a clean energy source. 1. As soon as the water________ (cool) down, it________ (condense) into small droplets. 1. When the water________ (run) out of the faucet, we________ (should) turn it off immediately. 1. Unless we________ (manage) our water resources efficiently, we________ (run) into trouble in the future. 1. If we________ (plant) more trees, they________ (help) to conserve water in the soil. 1. The water in the lake________ (become) clearer if the local government________ (take) measures to reduce pollution. 1. Once the water________ (be) purified, it________ (can be used) for drinking. 1. When the water________ (be) heated, it________ (give off) steam. 1. Unless we________ (stop) littering in rivers, the water________ (become) more polluted. 1. If you________ (add) some sugar to water, the water________ (taste) sweet. 1. Water________ (be) a precious resource, and we________ (must) do our best to protect it. 1. As long as we________ (carry out) water - saving campaigns, more people________ (get) involved in saving water. 1. When the water________ (be) used for industrial purposes, it________ (may need) to be treated differently. 1. Unless we________ (support) water - saving projects, it________ (be difficult) to solve the water shortage problem. 1. If we________ (reuse) grey water, we________ (can save) a significant amount of fresh water. 1. The water in the pipeline________ (be checked) regularly to ensure there________ (be) no leaks if the water supply________ (be) reliable. 1. Once the water________ (be) used in the production process, it________ (usually be recycled) if possible. 1. When the water________ (be) scarce, people________ (have to) find alternative ways to meet their needs. 1. Unless we________ (promote) water - saving technologies, we________ (not be able to) improve water use efficiency. 1. If you________ (put) a sponge in water, it________ (absorb) water quickly. 1. Water________ (be) crucial for the survival of all animals, and they________ (die) without it. 1. As soon as the water________ (be polluted), the aquatic life________ (be in danger). 1. When the water________ (be) calm, it________ (reflect) the surrounding scenery like a mirror. 1. Unless we________ (cooperate) with each other in water conservation, our efforts________ (be in vain). 1. If we________ (improve) the water - saving facilities in our homes, we________ (save) more water in our daily life. 1. The water in the water tank________ (be filled) automatically if the level________ (drop) too low. 1. Once the water________ (be) contaminated by chemicals, it________ (be harmful) to human health. 1. When the water________ (be) soft, it________ (be better) for washing clothes. 1. Unless we________ (set up) more water treatment plants, the polluted water________ (not be properly dealt with). 1. If you________ (pour) hot water into a glass bottle suddenly, the bottle________ (may break). 1. Water________ (be) widely used in various industries, and its demand________ (increase) steadily. 1. As long as we________ (encourage) people to save water, they________ (gradually form) good water - saving habits. 1. When the water________ (be) used for irrigation, it________ (should be distributed) evenly. 1. Unless we________ (address) the problem of water waste, we________ (not make) progress in water conservation. 1. If we________ (install) water - saving devices in public places, we________ (reduce) the overall water consumption. 1. The water in the pond________ (be stocked) with fish if the water quality________ (be suitable). 1. Once the water________ (be) filtered, it________ (can be used) for some non - drinking purposes. 1. When the water________ (be) turbid, it________ (be hard) to see the bottom. 1. Unless we________ (strengthen) water management, water - related problems________ (become) more serious. 1. If you________ (let) water stand in an open container for a long time, it________ (may evaporate) completely. 1. Water________ (be) a basic necessity of life, and we________ (should never) take it for granted. 1. As soon as the water________ (be heated) to a certain temperature, it________ (produce) steam for industrial use. 1. When the water________ (be) alkaline, it________ (affect) the growth of some plants. 1. Unless we________ (allocate) water resources rationally, there________ (be) conflicts over water in the future. 1. If we________ (develop) more water - saving irrigation methods, we________ (increase) agricultural productivity while saving water. 1. The water in the reservoir________ (be released) gradually if the water level________ (be too high). 1. Once the water________ (be) desalinated, it________ (can be used) as fresh water in arid areas. 1. When the water________ (be) warm, it________ (be more likely) to evaporate. 1. Unless we________ (evaluate) the water - saving effects regularly, we________ (not know) whether our measures are effective. 1. If you________ (shake) a bottle of water vigorously, the water________ (create) waves inside. 1. Water________ (be) an important part of our environment, and we________ (have the responsibility) to protect it. 1. As long as we________ (advocate) water conservation in schools, students________ (be more aware) of the importance of water. 1. When the water________ (be) used for firefighting, it________ (need to be supplied) in large quantities. 1. Unless we________ (innovate) in water - saving technologies, we________ (fall behind) in the global water conservation efforts. 1. If we________ (promote) the use of recycled water, we________ (reduce) the pressure on fresh water resources. 1. The water in the well________ (be tested) regularly to ensure the safety of drinking water if the villagers________ (rely on) it. 1. Once the water________ (be) contaminated by bacteria, it________ (be dangerous) to drink without treatment. 1. When the water________ (be) still, it________ (be easy) to observe the water - surface tension. 1. Unless we________ (raise) funds for water - saving projects, we________ (not be able to) implement them smoothly. 1. If you________ (pour) water slowly onto a sloping surface, the water________ (flow) down gradually. 1. Water________ (be) a key factor in economic development, and we must attach great importance to its sustainable use. 答案 1. boil; will turn 2. will be polluted; dump 3. take; will face 4. drops; will freeze 5. stops; will go 6. is; irrigating 7. leave; will be wasted 8. includes; are 9. shines; will evaporate 10. protect; will lose 11. recycle; will save 12. keep; will provide 13. rains; will rise 14. is; plays 15. don't value; will suffer 16. will supply; is 17. is; will take 18. melts; will turn 19. reduce; will decline 20. pour; will float 21. exists; is 22. reaches; will begin 23. flows; will make 24. educate; won't realize 25. use; will cut down 26. processes; is 27. is; won't be suitable 28. is; will be affected 29. mix; will become 30. is; won't grow 31. monitor; will be able to 32. drops; will have to 33. enforce; will continue 34. collect; will have 35. will be changed; use 36. evaporates; will form 37. is; will expand 38. raise; will keep 39. put; will absorb 40. is; is 41. cools; will condense 42. runs; should 43. manage; will run 44. plant; will help 45. will become; takes 46. is; can be used 47. is; will give off 48. stop; will become 49. add; will taste 50. is; must 51. carry out; will get 52. is; may need 53. support; will be difficult 54. reuse; can save 55. will be checked; are; is 56. is; will usually be recycled 57. is; will have to 58. promote; won't be able to 59. put; will absorb 60. is; will die 61. is polluted; will be in danger 62. is; will reflect 63. cooperate; will be in vain 64. improve; will save 65. will be filled; drops 66. is; will be harmful 67. is; will be better 68. set up; won't be properly dealt with 69. pour; may break 70. is; will increase 71. encourage; will gradually form 72. is; should be distributed 73. address; won't make 74. install; will reduce 75. will be stocked; is 76. is; can be used 77. is; will be hard 78. strengthen; will become 79. let; may evaporate 80. is; should never 81. is heated; will produce 82. is; will affect 83. allocate; will be 84. develop; will increase 85. will be released; is 86. is; can be used 87. is; will be more likely 88. evaluate; won't know 89. shake; will create 90. is; have the responsibility 91. advocate; will be more aware 92. is; needs to be supplied 93. innovate; will fall behind 94. promote; will reduce 95. will be tested; rely on 96. is; will be dangerous 97. is; will be easy 98. raise; won't be able to 99. pour; will flow 100. is; 学科网（北京）股份有限公司 $$