教科版·英语八年级下册《Unit 7 An Amazing Plant》练习题

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本单元考点（4 个）

植物主题词汇与表达被动语态的基本构成与用法描述植物特征与生长过程阅读理解：神奇植物科普文章

本单元练习题（27 题）

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1. 用括号内所给动词的适当形式填空：These special seeds ___ (send) to a research center by scientists last month, and now they ___ (keep) in a cool room every day.

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2. 看图文记录并用括号内动词的适当形式填空：At the school garden, a strange plant is found near the gate. Its leaves ___ (cover) with tiny hairs, and a short note ___ (write) beside it yesterday. The plant is not harmed during the study.

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3. At the school display, the leaves of the shy plant ___ (not touch) by visitors yesterday, but the plant ___ (water) by Ms Lee every morning.

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4. Last Monday, the seeds of a rare plant ___ in moist soil. Today, the young plants ___ in a warm room. A. were planted; are kept B. are planted; were kept C. planted; are kept D. were planted; keep

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5. 根据句意和首字母提示补全单词：This plant has strong r______（根）under the ground, and its green l______（叶子）turn towards the sun every morning. In summer, it grows tall and its flowers look beautiful.

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6. 用括号内动词的适当形式填空：Last year, a strange plant ___ (find) beside a river. Today, it ___ (keep) in a safe place, and its leaves ___ (show) to visitors on school days.

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7. 用所给动词的适当形式填空。The Coco de Mer palm (海椰子树) is one of the most amazing plants in the world. Hundreds of years ago, its huge seeds ___ (carry) far across the sea by ocean currents (洋流). Now, this rare plant ___ (protect) strictly in the islands, so people are not allowed to cut it down.

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8. 阅读短文，回答问题。跳舞草生长在亚洲热带地区，它最特别的地方是：当听到一定频率的声音时，叶片会左右摆动，看起来像在跳舞。科学家发现，并非所有声音都能让它'跳舞'——只有接近人类女高音频率的声波才有效，音量过大或过小的声音都没有反应。根据短文，下列说法正确的是：A. 跳舞草的叶片任何时候都在摆动 B. 任何声音都能让跳舞草摆动叶片 C. 跳舞草只对特定频率的声音作出摆动反应 D. 跳舞草主要生长在寒冷地区

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9. In the botanical garden, visitors ___ not to touch the amazing plant since it was discovered, and now a new fence ___ around it to keep it safe. A. have told; is built B. are told; has been built C. are told; built D. have been told; is building

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10. The bamboo ______ very fast in spring, and it can grow more than one metre in just a few days. It is truly an amazing plant. A. grows B. eats C. sleeps D. sells

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11. 根据句意和中文提示补全单词：A plant starts as a s__d（种子）. With water and light, it can gr__（生长）.

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12. 用括号内所给动词的适当形式填空：Rice ___ (grow) in many parts of China every year.

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13. 根据中文提示，写出正确的单词。 1. The tree has strong r______ (根). 2. Plants need s______ (阳光) and water to grow.

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14. 根据中文提示补全单词：植物上通常呈绿色、能接收阳光的部分是 l__f（叶子）。

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15. 根据中文提示补全单词，每空一词。A cactus can live in a dry place. Its sharp t______ (刺) protect it. Its thick s______ (茎) can hold water. A young plant can grow from a s______ (种子).

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16. 根据中文提示，补全单词。 1. A rose is a f_____（花）。 2. A tree has many l_____（叶子）。

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17. Mia is describing a plant. Its leaves are wide and flat, and its flowers open at night. In the morning, the flowers close. After the flowers fade, small fruits form. Complete the description: The plant has ___ leaves; its flowers open ___ and close ___; its fruits form after the flowers ___.

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18. Mia found a small part inside a fruit. If it is planted, it may grow into a new plant. What is it called? A. a leaf B. a seed C. a stem D. a flower

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19. 含羞草受到触碰时，叶子会合拢。下面哪句话描述了这一特征？A. Its leaves open when you touch them. B. Its leaves close when you touch them. C. Its flowers close when you touch them. D. Its leaves close when you water them.

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20. A school club is making a plant-word card. Which sentence uses the plant word correctly? A. The stem holds up the leaves and flowers. B. The seed gives light to the plant. C. The root grows above the flower. D. The leaf takes water from the ground.

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21. 根据中文提示补全单词：The plant's quick response to touch is truly a______（令人惊奇的）。

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22. Every spring, a young plant ___ by the students. A. is watered B. waters C. watered D. was water

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23. The amazing plant ___ (water) every morning by Mia.

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24. 根据中文提示补全单词，每空一词。1. The bamboo grows very tall because it has a strong s______ (茎). 2. Sunflowers turn towards the s______ (阳光) during the day. 3. A seed will s______ (发芽) and grow into a new plant in spring. 4. The lotus is a water p______ (植物) that grows in ponds.

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25. 把句子改为主动语态并补全：The rare plant is protected by the garden team. → ___ the rare plant.

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26. The ___ (茎) of a plant supports the leaves and helps carry water and nutrients.

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27. 阅读以下关于神奇植物“跳舞草”的科普短文，然后回答问题。跳舞草是一种生长在亚洲热带地区的草本植物，它的叶片在受到特定频率的声波振动时会左右摆动，仿佛在跳舞。科学家研究发现，这种运动并非由风力或昆虫引起，而是叶片基部对声波产生的应激反应。这种反应能帮助植株驱赶一些以叶片为食的昆虫。根据短文，跳舞草叶片摆动的主要原因是？ A. 被风吹动 B. 对声波振动有反应 C. 受重力影响 D. 被昆虫触碰

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教科版·英语其他单元练习题

Unit 1 Welcome to junior high（18题）Unit 1 The Picture of Peace（27题）Unit 1 Not Too Short（27题）Unit 1 What is art?（18题）Unit 1 Back to school（27题）Unit 1 That's entertainment!（27题）Unit 1 What's your style?（27题）Unit 2 Sports for life（27题）Unit 2 Never Give Up（18题）Unit 2 We are family（27题）Unit 2 Spread the word!（27题）Unit 2 Get connected（27题）

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