沪教版·英语（2024新版）四年级下册《Unit 6 What are the blue whales' secrets?》练习题

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本单元考点（4 个）

海洋动物词汇动物特征描述can 情态动词表能力Blue whales 科普阅读

本单元练习题（27 题）

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1. 海洋科普活动中，蓝鲸会游泳，不会飞；海豚会游泳，也会跳出海面。根据提示完成句子：Blue whales ___ swim. They ___ fly. Dolphins can swim and ___ out of the sea.

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2. 读一读蓝鲸的小档案，根据首字母和中文提示补全单词。Hello! I am a blue whale. I live in the o____（海洋）. I am very big and l____（长的）. I can swim in the deep s____（海）. My friend is a d____（海豚）. We are good friends. But a s____（鲨鱼）is scary, so I swim away!

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3. 海洋观察员记录：海豚会跳出海面，不会飞。哪句英文记录既符合意思，语法也正确？A. Dolphins can jumping out of the water. They can't fly. B. Dolphins can jump out of the water. They can't fly. C. Dolphins can jump out of the water. They can't flying. D. Dolphins can jumped out of the water. They can't fly.

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4. 海洋馆小讲解员Lily正在准备动物卡片。请根据中文提示，写出下列海洋动物英文名称中所缺的字母，并写出它们的中文意思。 1. w__ __le（它生活在海里，体型巨大，是“鲸鱼”） 2. d__lph__n（它聪明友善，是“海豚”） 3. sh__ __k（它是海中凶猛的“鲨鱼”） 4. t__ __tle（它背着硬壳慢慢游，是“海龟”） 5. __ctop__s（它有八条腿，是“章鱼”）要求：先补全单词，再在括号内写出中文意思。

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5. 海洋馆的小讲解员在介绍蓝鲸。下面哪一句对动物特征的描述是完全正确的？A. The blue whale is bigger. It has a bigger body. B. The blue whale is big. Dolphins are small and fast. C. The blue whale is long. Sharks are more small. D. Whales can swims fast in the ocean. （蓝鲸很大。海豚又小又快。）

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6. 鲸、海豚、鲨鱼、章鱼的英文分别是什么？A. whale, dolphin, shark, octopus B. whle, dolphin, shark, octopus C. whale, dolphine, shark, octopus D. whale, dolphin, sheep, octopus

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7. Read and fill in the blanks. 根据描述选择合适的词填空（每词限用一次）：big, small, long, fast 1. A whale lives in the ocean. It is very ___ . 2. A dolphin can swim very ___ . 3. A little fish is ___ . 4. The shark has a ___ tail (尾巴).

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8. “鲸鱼”的英文是 ___。

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9. 根据蓝鲸科普小知识，补全单词并写出中文意思。 1. The blue whale is very b__g（　　）. It lives in the oce__n（　　）. 2. Whales can sw__m in the s__a（　　）. 3. The blue whale is not a fish. It is a wh__le（　　）.

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10. 根据中文提示，补全单词中所缺的字母。 1. sh__rk（鲨鱼） 2. d__lphin（海豚） 3. wha__e（鲸鱼） 4. oc__opus（章鱼） 5. turt__e（海龟）

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11. 看提示，从词库中选词填空，每词用一次。词库：big, long, small, fast A blue whale is very ______ (体形大). A dolphin can swim ______ (速度快). A whale has a ______ tail (长度长). A ______ fish is not big (体形小).

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12. 读短文，根据首字母提示补全单词。Blue whales live in the ocean. They are very b____（大的）. A blue whale can be 30 m____（米）long. They can swim fast in the sea. But now there are not many blue whales, so we must protect them. 1. b____ 2. m____

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13. 看提示，根据句子意思从词库中选词填空，每词限用一次。词库：big, small, long, fast 1. The dolphin is not slow (慢的). It swims very ___. 2. The whale is not short (短的). Its body is very ___. 3. The shark is not small. It is very ___. 4. The sea horse is not big. It is very ___.

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14. 根据句意填空：鲸鱼会在海洋里游泳。Whales ___ swim in the ocean.

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15. 看提示，写出单词补全句子（首字母已给出）： 1. The whale is very b___ .（大的） 2. The dolphin has a long n___ .（鼻子） 3. The shark has a big m___ .（嘴） 4. The dolphin can swim very f___ .（快地）

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16. 选出表达海豚能力的正确句子。A. Dolphins can swim. B. Dolphins can swimming. C. Dolphins can swam. D. Dolphins can to swim.

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17. 阅读短文，完成句子。Blue whales travel through the ocean. Their bodies can be about 30 metres from head to tail. The word that tells us about the length of a blue whale is l___.

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18. 看英文写中文：dolphin 是 ___。

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19. 补全海洋动物单词：tur__e（海龟）

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20. 鲨鱼会游泳，但不会飞。用一个词补全句子，表达鲨鱼会游泳：A shark ___ swim.

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21. 选择正确描述蓝鲸特征的句子。A. A blue whale is big. B. A blue whale is bigly. C. A blue whale are big. D. A blue whale is bigs.

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22. 海洋科普课上，小明听到介绍：海豚会游泳，也会跳；鲨鱼会游泳，但不会飞。下面哪句话与介绍不符？ A. Sharks can swim. B. Sharks can't fly. C. Sharks can swim, but they can't fly. D. Sharks can't swim.

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23. 读一读蓝鲸小短文，补全单词。Blue whales live in the ocean. Their bodies are very long from head to tail. A blue whale has a l___ body.

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24. 读短文，完成句子。 Blue whales live in the ocean. They are very big. A blue whale can be about 25 metres long. It eats tiny sea animals, not big fish. Blue whales live in the ___ and can be about ___ metres long.

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25. 根据介绍，海豚体形小，游得快。哪句话描述正确？A. The dolphin is big and slow. B. The dolphin is long and big. C. The dolphin is small and fast. D. The dolphin is small and long.

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26. 海洋观察员介绍鲨鱼的习性。选出表达鲨鱼能力的正确句子。A. Sharks can sleeps. B. Sharks can sleeping. C. Sharks can sleep. D. Sharks can slept.

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27. 海洋动物卡片上依次写着：海豚、鲸鱼、章鱼、鲨鱼。哪一组英文名称顺序正确？A. dolphin, whale, octopus, shark B. dolphin, whle, octopus, shark C. whale, dolphin, octopus, shark D. dolphin, whale, shark, octopus

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