Unit5 Looking into nature 用括号里单词的适当形式填空专练-2025-2026学年外研版八年级下册英语

外研版八年级下册英语 Unit5 Looking into nature 用括号里单词的适当形式填空专练 满分120分 一、用所给单词的正确形式填空（100分） 1. People ______ (believe) that dinosaurs looked like huge lizards hundreds of years ago. 1. We now know that some dinosaurs ______ (have) feathers. 1. This kind of bird ______ (live) here many years ago, but it ______ (disappear) now. 1. Thanks to amber, many ______ (know) species ______ (discover) so far. 1. The ______ (find) proves that the plant ______ (grow) here 35 million years ago. 1. Scientists ______ (study) amber for many years to unlock nature’s secrets. 1. This is a ______ (complete) new species of ant ______ (find) in Africa. 1. He ______ (fall) seriously ill while ______ (do) field work last year. 1. Though he ______ (lose) his sight, he still carried on with ______ (research). 1. She seldom ______ (care) about personal ______ (wealthy) or honor. 1. The book ______ (write) by a famous ______ (science) last year. 1. It’s important ______ (observe) nature ______ (careful). 1. They spend much time ______ (explore) the ______ (mountain) areas. 1. I don’t know if he ______ (come) to the meeting tomorrow. 1. We hope that you ______ (join) us in the ______ (nature) study. 1. The story tells us that ______ (explore) is the key to ______ (discover). 1. ______ (million) of years ago, life on Earth ______ (be) very different. 1. This species no longer ______ (grow) in this area because of pollution. 1. The ______ (north) part of the country is ______ (cold) than the south. 1. His ______ (believe) about ants ______ (change) by the new discovery. 1. We should put more effort into ______ (learn) about the ______ (live) things. 1. The amber ______ (keep) the tail of a dinosaur with ______ (feather) for years. 1. She ______ (use) to walk in the forest and ______ (collect) samples. 1. The news ______ (surprise) everyone when it ______ (report) yesterday. 1. ______ (unlock) the secrets of nature ______ (need) patience and courage. 1. They ______ (plan) to visit the wildlife park next week if it ______ (be) sunny. 1. The ______ (chemistry) in the plant can ______ (help) us make medicine. 1. He ______ (spend) over sixty years ______ (study) the local plants. 1. The old man ______ (work) in the field every day until he ______ (be) 90. 1. These ______ (discover) ______ (change) our ideas about nature forever. 1. It ______ (say) that amber ______ (be) a window on the past. 1. The little boy ______ (show) great interest in ______ (watch) insects. 1. Without ______ (science) methods, we can’t ______ (prove) the truth. 1. They ______ (not find) any new species since they ______ (arrive) here. 1. The ______ (end) beauty of nature ______ (attract) people all the time. 1. She ______ (write) a book about nature exploration last year. 1. The team ______ (win) the award because of their important ______ (find). 1. We ______ (learn) that life ______ (change) over time for a long time. 1. ______ (protect) nature ______ (be) our duty. 1. The flowers ______ (bloom) in early summer every year. 1. He ______ (decide) to devote himself to ______ (plant) research when young. 1. The ______ (art) made a model of a dinosaur with ______ (feather). 1. They ______ (discuss) the ______ (different) between the two species now. 1. I wonder if it ______ (rain) this afternoon. 1. The ______ (write) of the book is famous for his ______ (nature) stories. 1. She ______ (feel) excited when she ______ (see) the rare animal. 1. We must ______ (keep) ______ (study) nature to know more about it. 1. The ______ (discover) of the new ant made the scientists ______ (excite). 1. They ______ (build) a research center in the forest last year. 1. ______ (hundred) of scientists ______ (work) on this project for years. 1. The plant ______ (die) if we ______ (not protect) it. 1. He ______ (teach) biology in a middle school for 30 years. 1. The ______ (tradition) idea about dinosaurs ______ (be) wrong. 1. She ______ (collect) many ______ (sample) of plants and insects. 1. The film ______ (make) to show the ______ (amaze) secrets of nature. 1. We ______ (know) little about the ______ (hide) secrets of nature. 1. He ______ (lose) his money while ______ (travel) in the mountains. 1. The ______ (important) of nature study ______ (tell) in the book. 1. They ______ (not understand) the problem until the teacher ______ (explain) it. 1. The ______ (gold) amber ______ (keep) the ancient insect well. 1. She ______ (hope) to become a ______ (nature) explorer when she grows up. 1. The research ______ (show) that the species ______ (come) from the north. 1. We ______ (visit) the museum last Sunday and ______ (learn) a lot. 1. The boy ______ (read) books about dinosaurs every evening. 1. ______ (human) should live ______ (peaceful) with nature. 1. The ______ (evolve) of species ______ (be) a slow process. 1. They ______ (try) their best ______ (save) the endangered animals. 1. The ______ (power) of nature ______ (be) amazing. 1. I ______ (not see) such a beautiful flower before. 1. The scientist ______ (give) a talk about nature exploration tomorrow. 1. The ______ (leaf) of the tree ______ (turn) yellow in autumn. 1. He ______ (think) of new ideas while ______ (walk) in the park. 1. The ______ (survive) of the species ______ (depend) on the environment. 1. We ______ (realize) that we must ______ (respect) nature. 1. The book ______ (sell) well since it ______ (come) out last month. 1. She ______ (practice) ______ (observe) insects every weekend. 1. The ______ (history) of life on Earth ______ (record) in fossils. 1. They ______ (look) for the lost child in the forest all night. 1. The ______ (beautiful) of nature ______ (touch) our hearts. 1. He ______ (refuse) to give up his research though he ______ (be) tired. 1. The ______ (develop) of science helps us ______ (understand) nature better. 1. We ______ (use) computers ______ (study) the ancient species now. 1. The ______ (insect) in the amber ______ (keep) perfect for years. 1. She ______ (dream) of ______ (explore) the wild forest one day. 1. The ______ (true) about dinosaurs ______ (find) out recently. 1. They ______ (plant) many trees ______ (protect) the environment. 1. The old scientist ______ (work) until he ______ (fall) asleep last night. 1. The ______ (value) of nature ______ (be) beyond measure. 1. We ______ (learn) a lot from ______ (explore) the natural world. 1. The ______ (two) part of the book ______ (talk) about plant life. 1. He ______ (name) the new species after his ______ (teach). 1. The ______ (wind) ______ (blow) strongly last night. 1. They ______ (share) their ______ (discover) with the world. 1. The ______ (child) are ______ (interest) in nature stories. 1. She ______ (finish) her report on nature study yesterday. 1. The ______ (mystery) of nature ______ (attract) more people to study. 1. We ______ (must) protect the ______ (danger) animals. 1. The ______ (research) ______ (work) hard day and night. 1. The story ______ (happen) in a small village in the ______ (mountain). 1. We ______ (look) forward to ______ (make) new discoveries. 二、短文填空（20分） 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。 Amber, a golden and hard stone, 1.______ (be) famous for keeping ancient life for millions of years. It serves as a window on the past, 2.______ helps us know much about the ancient world. Recently, scientists 3.______ (find) a special piece of amber from Asia, in 4.______ there is the tail of a dinosaur with beautiful feathers. This 5.______ (discover) completely changes people’s ideas about dinosaurs. Scientists used to believe that dinosaurs were just huge lizards, 6.______ now we know that some of them had feathers. Besides, more than 300 new species 7.______ (discover) with the help of amber so far. Professor Wang, a great botanist, spent over 70 years 8.______ (explore) China’s plants. He fell seriously ill many times during field work, but he never gave up. His spirit tells us that 9.______ (keep) exploring is the key to unlocking nature’s secrets. We should learn from him and try our best 10.______ (protect) and understand nature. 参考答案 一、用括号内单词的正确形式填空。 1. believed 2. had 3. lived; has disappeared 4. unknown; have been discovered 5. finding; grew 6. have studied 7. completely; found 8. fell; doing 9. lost; research 10. cares; wealth 11. was written; scientist 12. to observe; carefully 13. exploring; mountainous 14. will come 15. will join; natural 16. exploration; discovery 17. Millions; was 18. grows 19. Northern; colder 20. belief; has been changed 21. learning; living 22. has kept; feathers 23. used; collect 24. surprised; was reported 25. Unlocking; needs 26. plan; is 27. chemicals; help 28. spent; studying 29. worked; was 30. discoveries; have changed 31. is said; is 32. shows; watching 33. scientific; prove 34. haven’t found; arrived 35. endless; attracts 36. wrote 37. won; findings 38. have learned; has changed 39. Protecting; is 40. bloom 41. decided; plant 42. artist; feathers 43. are discussing; differences 44. will rain 45. writer; natural 46. felt; saw 47. keep; studying 48. discovery; excited 49. built 50. Hundreds; have worked 51. will die; don’t protect 52. has taught 53. traditional; was 54. collected; samples 55. was made; amazing 56. know; hidden 57. lost; traveling 58. importance; is told 59. didn’t understand; explained 60. golden; has kept 61. hopes; natural 62. shows; came 63. visited; learned 64. reads 65. Humans; peacefully 66. evolution; is 67. try; to save 68. power; is 69. haven’t seen 70. will give 71. leaves; turn 72. thinks; walking 73. survival; depends 74. have realized; respect 75. has sold; came 76. practices; observing 77. history; is recorded 78. looked 79. beauty; touches 80. refused; was 81. development; understand 82. are using; to study 83. insects; have been kept 84. dreams; exploring 85. truth; has been found 86. have planted; to protect 87. worked; fell 88. value; is 89. have learned; exploring 90. second; talks 91. named; teacher 92. wind; blew 93. shared; discoveries 94. children; interested 95. finished 96. mysteries; attract 97. must; endangered 98. researchers; work 99. happened; mountains 100. look; making 二、短文填空。 1. is 2. which 3. have found 4. which 5. discovery 6. but 7. have been discovered 8. exploring 9. keeping 10. to protect 学科网（北京）股份有限公司 $