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根据短文内容，填写所缺单词或用所给单词的正确形式填空。
World Unsolved Mysteries—Beyond Our Understanding
The Bermuda Triangle(百慕大三角)
The Bermuda Triangle is a place in the western part of the North Atlantic Ocean(北大西洋). 1. the past 100 years, more than 50 ships and 20 planes 2. (disappear) there suddenly, leaving no signs. People have many ideas, like strange ocean forces or even aliens, but no one 3. (know) the real reason. This 4. (mystery) place is one of the world's most famous puzzles.
阳光假日 九年级英语(暑假)人教版
The Voynich Manuscript(伏尼契手稿)
The Voynich Manuscript is an old book 5. (write) in a secret language no one can read. It comes from the early 1400s. The book has pictures of unknown plants, stars, and people. Even after 6. (hundred) of years, no one understand its words or purpose. Some think it is a book about medicine, while others believe it is just a joke. 7. (it) true story stays unknown.
The Taos Hum(陶斯嗡鸣)
The Taos Hum is a low, continuous noise that only some people can hear. It 8. (find) in the early 1990s in Taos, a small town in the US. The sound is like a far-away truck engine, but machines cannot 9. (pick) it up. Scientists have checked many possible causes, but they 10. (not find) the source yet. It still puzzles everyone.
World Unsolved Mysteries—Beyond Our Understanding
The Bermuda Triangle(百慕大三角)
The Bermuda Triangle is a place in the western part of the North Atlantic Ocean(北大西洋). 1. the past 100 years, more than 50 ships and 20 planes 2. (disappear) there suddenly, leaving no signs. People have many ideas, like strange ocean forces or even aliens, but no one 3. (know) the real reason. This 4. (mystery) place is one of the world's most famous puzzles.
阳光假日 九年级英语(暑假)人教版
The Voynich Manuscript(伏尼契手稿)
The Voynich Manuscript is an old book 5. (write) in a secret language no one can read. It comes from the early 1400s. The book has pictures of unknown plants, stars, and people. Even after 6. (hundred) of years, no one understand its words or purpose. Some think it is a book about medicine, while others believe it is just a joke. 7. (it) true story stays unknown.
The Taos Hum(陶斯嗡鸣)
The Taos Hum is a low, continuous noise that only some people can hear. It 8. (find) in the early 1990s in Taos, a small town in the US. The sound is like a far-away truck engine, but machines cannot 9. (pick) it up. Scientists have checked many possible causes, but they 10. (not find) the source yet. It still puzzles everyone.
答案
1. In
2. have disappeared
3. knows
4. mysterious
5. written
6. hundreds
7. Its
8. was found
9. pick
10. haven't found/have not found
2. have disappeared
3. knows
4. mysterious
5. written
6. hundreds
7. Its
8. was found
9. pick
10. haven't found/have not found
解析
1. 考查固定搭配，in/over the past + 时间段是固定表达，意为“在过去的……时间里”，句首单词首字母需大写，故填In。
2. 考查动词时态，时间状语"in the past 100 years"是现在完成时的标志，主语more than 50 ships and 20 planes是复数，故填have disappeared。
3. 考查主谓一致，主语no one是不定代词，视作单数，句子用一般现在时表客观情况，谓语动词用第三人称单数形式，故填knows。
4. 考查词性转换，此处修饰名词place，需要用形容词，mystery的形容词形式是mysterious，意为“神秘的”，故填mysterious。
5. 考查非谓语动词，此处作后置定语修饰名词book，book和write是被动关系，用过去分词written，表“被写”，故填written。
6. 考查固定搭配，hundreds of 是固定短语，意为“成百上千的、数百的”，故填hundreds。
7. 考查词性转换，此处修饰名词短语true story，需要用形容词性物主代词，it的形容词性物主代词是Its，句首首字母大写，故填Its。
8. 考查被动语态和时态，主语It（指代噪音）和find是被动关系，时间状语in the early 1990s是过去的时间，用一般过去时的被动语态，主语是单数，故填was found。
9. 考查动词形式，情态动词cannot后需要接动词原形，故填pick。
10. 考查动词时态，句末的yet是现在完成时的否定标志，主语是they，故填haven't found（或have not found）。
2. 考查动词时态，时间状语"in the past 100 years"是现在完成时的标志，主语more than 50 ships and 20 planes是复数，故填have disappeared。
3. 考查主谓一致，主语no one是不定代词，视作单数，句子用一般现在时表客观情况，谓语动词用第三人称单数形式，故填knows。
4. 考查词性转换，此处修饰名词place，需要用形容词，mystery的形容词形式是mysterious，意为“神秘的”，故填mysterious。
5. 考查非谓语动词，此处作后置定语修饰名词book，book和write是被动关系，用过去分词written，表“被写”，故填written。
6. 考查固定搭配，hundreds of 是固定短语，意为“成百上千的、数百的”，故填hundreds。
7. 考查词性转换，此处修饰名词短语true story，需要用形容词性物主代词，it的形容词性物主代词是Its，句首首字母大写，故填Its。
8. 考查被动语态和时态，主语It（指代噪音）和find是被动关系，时间状语in the early 1990s是过去的时间，用一般过去时的被动语态，主语是单数，故填was found。
9. 考查动词形式，情态动词cannot后需要接动词原形，故填pick。
10. 考查动词时态，句末的yet是现在完成时的否定标志，主语是they，故填haven't found（或have not found）。
