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Do you know why different animals or pests（害虫）have their special colours? Colours in them seem to be used mainly to protect themselves.
Some birds like eating locusts（蝗虫），but birds cannot easily catch them. Why? It is because locusts change their colours together with the change of the colours of crops. When crops are green, locusts look green. But as the harvest time comes, locusts change to the same brown colour as crops have. Some other pests with different colours from plants are easily found and eaten by others. So they have to hide themselves for lives and appear only at night.
If you study the animal life, you’ll find the main use of colouring is protecting themselves. Bears, lions and other animals move quietly through forests. They cannot be seen by hunters. This is because they have the colours much like the tree.
Have you ever noticed an even more strange act? A kind of fish in the sea can send out a kind of very black liquid（液体）when it faces danger. While the liquid spread over, the enemies（敌人）cannot find it. And it immediately（立即）swims away. So it has lived up to now though it isn’t strong at all.
1. How can pests with different colours from plants keep out of danger?
A. They run away quickly.
B. Their colours are much like their enemies.
C. They hide themselves in the day and appear at night.
D. They have to move quietly.
2.The kind of fish can live up to now because .
A. it is very big and strong
B. the liquid it sends out can help it escape from its enemies
C. the liquid it sends out can kill its enemies
D. it swims faster than any other fish
3. Which is the best title for this passage?
A. The Change of Colours for Animals and Pests
B. Colours of Different Animals and Pests
C. The Main Use of Colours for Animals and Pests
D. Some Animals and Pests
九年级英语阅读理解中等难度题查看答案及解析
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Do you know why different animals or pests(害虫) have their special colors? Colors in them seem to be mainly used to____themselves.
Some birds like eating locusts(蝗虫), but birds cannot____catch them. Why? It is because locusts change their____with the change of the colors of crops. When crops are green, locusts look____But as the harvest time comes, locusts change into the same brown color____crops have. Some other pests whose colors are____plants are easily found and eaten by____So they have to hide themselves for lives and appear only____
If you____animals’ life, you’ll find the main use of colors is to protect____Bears, lions and other animals____quietly through forests. They cannot be easily seen by hunters____their colors are much like the trees.
Colors are useful not only on the land, but also in the____A kind of fish can______________液体) when they face danger. The liquid spreads over quickly, so they cannot be found by their enemies and can quickly swim away. That is____they can live safely though they are not strong at all. So colors are really useful to animals.
1.A. show B. protect C. kill D. interest
2.A. easily B. freely C. safely D. differently
3.A. sizes B. smells C. colors D. shapes
4.A. yellow B. red C. black D. green
5.A. so B. as C. like D. with
6.A. different from B. same as C. similar to D. opposite with
7.A. other B. others C. the others D. another
8.A. in the morning B. at noon C. at night D. in the daytime
9.A. study B. write C. draw D. work
10.A. them B. themselves C. it D. itself
11.A. run B. fight C. move D. eat
12.A. because B. so C. and D. although
13.A. forests B. desert C. sea D. mountains
14.A. keep out B. come out C. look out D. give out
15.A. why B. when C. how D. where
九年级英语完形填空中等难度题查看答案及解析
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Do you know why different animals or pests (害虫) have their special colors? Colors in them seem to be used mainly to protect themselves.
Some birds like eating insects, but birds cannot easily catch insects. Why? It is because insects change their colors together with the change of the colors of crops. When crops are green, insects look green. But as the harvest time comes, insects change to the same brown color as crops have. Some other insects with different colors from plants are easily found and eaten by others. So they have to hide themselves for lives and appear only at night.
If you study the animal life, you’ll find the main use of colors is protecting them. Bears, lions and other animals move quietly through forests. They cannot be seen by hunters. This is because they have the colors much like the trees.
Have you ever noticed an even strange animal? A kind of fish in the sea can send out a kind of very black liquid (液体) when it faces danger. While the liquid spreads over, the fish itself cannot be found. And it quickly swims away. So it has lived up to now though it isn’t strong at all.
1.Why do some animals have different colors? （不超过 10 个词）
___________________________________________________________________
2.When the harvest time comes, which color do some insects change to? （不超过 10 个词）
___________________________________________________________________
3.What can the fish do in the last paragraph when it faces danger? （不超过 15 个词）
___________________________________________________________________
九年级英语回答问题中等难度题查看答案及解析
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Do you know why different animals or pests（害虫） have their special colours? Colours in them seem to be used mainly to protect themselves. Some birds like eating locusts（蝗虫），but birds cannot easily catch them. Why? It is because locusts change their colours together with the change of the colours of crops. When crops are green, locusts look green. But as the harvest time comes, locusts change to the same brown colour as crops have. Some other pests with different colours from plants are easily found and eaten by their enemies (敌人). So they have to hide themselves for lives and appear only at night.
If you study the animal life, you’ll find the main use of colouring is to protect themselves. Bears, lions and other animals move quietly through forests. They cannot be seen by hunters. This is because they have the colours much like the tree.
Have you ever noticed an even stranger act? A kind of fish in the sea can send out a kind of very black liquid（液体） when it faces danger. While the liquid spreads over, the enemies cannot find it. And it immediately swims away. So it has lived up to now though it isn’t strong at all.
1.From the passage we can learn that locusts ____________.
A. are small animals
B. are easily found by birds
C. are dangerous to their enemies
D. change their colours to protect themselves
2.How can pests with different colours from plants keep out of danger?
A. They run away quickly.
B. Their colours are much like their enemies.
C. They hide themselves in the day and appear at night.
D. They have to move quietly.
3.Bears and lions can keep safe because they ____________.
A. have the colours much like the trees
B. move quickly
C. like brown and grey colours
D. live in forests
4.The kind of fish can live up to now because ____________.
A. it is very big and strong
B. the liquid it sends out can help it escape from its enemies
C. the liquid it sends out can kill its enemies
D. it swims faster than any other fish
5.Which is the best title for this passage?
A. The Change of Colours for Animals and Pests
B. Colours of Different Animals and Pests
C. The Main Use of Colours for Animals and Pests
D. Some Animals and Pests
九年级英语阅读理解中等难度题查看答案及解析
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Do you know why different animals or pests（害虫）have their special colours? Colours in them seem to be used mainly to protect themselves.
Some birds like eating locusts, but birds cannot easily catch them. Why? It is because locusts change their colours together with the change of the colours of crops. When crops are green, locusts look green. But as the harvest time comes, locusts change to the same brown colour as crops have. Some other pests with different colours from plants are easily found and eaten by others. So they have to hide themselves for lives and appear only at night.
If you study the animal life, you’ll find the main use of colouring is protecting themselves. Bears, lions and other animals move quietly through forests. They cannot be seen by hunters. This is because they have the colours much like the tree.
Have you ever noticed an even more strange act? A kind of fish in the sea can send out a kind of very black liquid when it faces danger. While the liquid spreads over, the enemies cannot find it. And it immediately swims away. So it has lived up to now though it isn’t strong at all.
1.From the passage we can learn that locusts _______．
A. are small animals
B. are easily found by birds
C. are dangerous to their enemies
D. change their colours to protect themselves
2.Bears and lions can keep safe because they_______.
A. have the colours much like the trees
B. move quickly
C. like brown and grey colours
D. live in forests
3.Why can the fish mentioned in the last paragraph live up to now?
A. Because it is very strong.
B. Because the liquid it sends out can help it get away from its enemies.
C. Because the liquid it sends out can kill its enemies.
D. Because it swims faster than any other fish.
4.Which is the best title for this passage?
A. The Change of Colours for Animals and Pests
B. Colours of Different Animals and Pests
C. The Main Use of Colours for Animals and Pests
D. Some Animals and Pests
九年级英语阅读理解简单题查看答案及解析
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Do you know why different animals or pests（害虫）have their special colours? Colours in them seem to be used mainly to protect themselves.
Some birds like eating locusts, but birds cannot easily catch them. Why? It is because locusts change their colours together with the change of the colours of crops. When crops are green, locusts look green. But as the harvest time comes, locusts change to the same brown colour as crops have. Some other pests with different colours from plants are easily found and eaten by others. So they have to hide themselves for lives and appear only at night.
If you study the animal life, you’ll find the main use of colouring is protecting themselves. Bears, lions and other animals move quietly through forests. They cannot be seen by hunters. This is because they have the colours much like the tree.
Have you ever noticed an even more strange act? A kind of fish in the sea can send out a kind of very black liquid when it faces danger. While the liquid spreads over, the enemies cannot find it. And it immediately swims away. So it has lived up to now though it isn’t strong at all.
1.From the passage we can learn that locusts _______．
A. are small animals
B. are easily found by birds
C. are dangerous to their enemies
D. change their colours to protect themselves
2.Bears and lions can keep safe because they_______.
A. have the colours much like the trees
B. move quickly
C. like brown and grey colours
D. live in forests
3. Why can the fish mentioned in the last paragraph live up to now?
A. Because it is very strong.
B. Because the liquid it sends out can help it get away from its enemies.
C. Because the liquid it sends out can kill its enemies.
D. Because it swims faster than any other fish.
4.Which is the best title for this passage?
A. The Change of Colours for Animals and Pests
B. Colours of Different Animals and Pests
C. The Main Use of Colours for Animals and Pests
D. Some Animals and Pests
九年级英语阅读理解中等难度题查看答案及解析
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Do you know why different animals or pests(害虫) have their special colors? Colors in them seem to be mainly used to 1 themselves.
Some birds like eating locusts(蝗虫), but birds cannot 2catch them. Why? It is because locusts change their3 with the change of the colors of crops. When crops are green, locusts look 4. But as the harvest time comes, locusts change into the same brown color 5 crops have. Some other pests whose colors are 6 plants are easily found and eaten by7. So they have to hide themselves for lives and appear only8.
If you 9animals’ life, you’ll find the main use of colors is to protect 10. Bears, lions and other animals11 quietly through forests. They cannot be easily seen by hunters 12their colors are much like the trees.
Colors are useful not only on the land, but also in the 13 . A kind of fish can 14 a kind of black liquid(液体) when they face danger. The liquid spreads over quickly, so they cannot be found by their enemies and can quickly swim away. That is 15 they can live safely though they are not strong at all. So colors are really useful to animals.
1. A．show B．protect C．kill D．interest
2. A．easily B．freely C．safely D．differently
3. A．sizes B．smells C．colors D．shapes
4. A．yellow B．red C．black D．green
5. A．so B．as C．like D．with
6. A．different from B．same as C．similar to D．opposite with
7. A．other B．others C．the others D．another
8. A．in the morning B．at noon C．at night D．in the daytime
9. A．study B．write C．draw D．work
10. A．them B．themselves C．it D．itself
11. A．run B．fight C．move D．eat
12. A．because B．so C．and D．although
13. A．forests B．desert C．sea D．mountains
14. A．keep out B．come out C．look out D．give out
15. A．why B．when C．how D．where
九年级英语完型填空中等难度题查看答案及解析
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阅读下面短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。
Do you know why different animals or pests（害虫）have their special colours? Colours in them seem to be used mainly to protect themselves．
Some birds like eating locusts, but birds cannot easily catch them．Why? It is because locusts change their colours together with the change of the colours of crops．When crops are green, locusts look green．But as the harvest time comes, locusts change to the same brown colour as crops have．Some other pests with different colours from plants are easily found and eaten by others．So they have to hide themselves for lives and appear only at night．
If you study the animal life, you’ll find the main use of colouring is protecting themselves．Bears, lions and other animals move quietly through forests．They cannot be seen by hunters．This is because they have the colours much like the tree．
Have you ever noticed an even more strange act? A kind of fish in the sea can send out a kind of very black liquid when it faces danger．While the liquid spreads over, the enemies cannot find it．And it immediately swims away．So it has lived up to now though it isn’t strong at all．
1.From the passage we can learn that locusts _______．
A． are small animals
B． are easily found by birds
C． are dangerous to their enemies
D． change their colours to protect themselves
2.Bears and lions can keep safe because they_______．
A． have the colours much like the trees
B． move quickly
C． like brown and grey colours
D． live in forests
3.Why can the fish mentioned in the last paragraph live up to now?
A． Because it is very strong．
B． Because the liquid it sends out can help it get away from its enemies．
C． Because the liquid it sends out can kill its enemies．
D． Because it swims faster than any other fish．
4.Which is the best title for this passage?
A． The Change of Colours for Animals and Pests
B． Colours of Different Animals and Pests
C． The Main Use of Colours for Animals and Pests
D． Some Animals and Pests
九年级英语阅读理解中等难度题查看答案及解析
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完形填空
阅读下列短文，从文后各题所给的四个选项中选出一个最佳答案。
Do you know why different animals or pests(害虫) have their special colors? Colors in them seem to be mainly used to ___1___ themselves.
Some birds like eating locusts(蝗虫), but birds cannot ___2___catch them. Why? It is because locusts change their__3___ with the change of the colors of crops. When crops are green, locusts look ___4___. But as the harvest time comes, locusts change into the same brown color __5___ crops have. Some other pests whose colors are ___6__ plants are easily found and eaten by ___7___. So they have to hide themselves for lives and appear only __8____.
If you ___9___ animals’ life, you’ll find the main use of colors is to protect __10___. Bears, lions and other animals ___11___ quietly through forests. They cannot be easily seen by hunters ___12___ their colors are much like the trees.
Colors are useful not only on the land, but also in the __13___. A kind of fish can __14____ a kind of black liquid(液体) when they face danger. The liquid spreads over quickly, so they cannot be found by their enemies and can quickly swim away. That is ___15____ they can live safely though they are not strong at all. So colors are really useful to animals.
1. A．show B．protect C．kill D．interest
2. A．easily B．freely C．safely D．differently
3. A．sizes B．smells C．colors D．shapes
4. A．yellow B．red C．black D．green
5. A．so B．as C．like D．with
6. A．different from B．same as C．similar to D．opposite with
7. A．other B．others C．the others D．another
8. A．in the morning B．at noon C．at night D．in the daytime
9. A．study B．write C．draw D．work
10. A．them B．themselves C．it D．itself
11. A．run B．fight C．move D．eat
12. A．because B．so C．and D．although
13. A．forests B．desert C．sea D．mountains
14. A．keep out B．come out C．look out D．give out
15. A．why B．when C．how D．where
九年级英语完型填空中等难度题查看答案及解析
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Do you know why different animals or pests(昆虫) have their special colors? Their colors seem to be used mainly to protect themselves.
Some birds like eating locusts(蝗虫)，but birds cannot easily catch them. Why? It is because locusts change their colors together with the change of colors of crops. When crops are green，locusts look green. But as the harvest time comes，locusts change to the same brown colors as crops have. Some other pests with different colors from plants are easily found and eaten by others. So they have to hide themselves for lives and appear only at night.
If you study the animal life，you will find the main use of colors is to protect themselves. Bears，lions and other animals move quietly through forests. They cannot be easily seen by hunters. This is because they have the colors much like the trees.
Have you ever noticed an even stranger act? A kind of fish in the sea can send out a kind of very black liquid when they face danger. While the liquid spreads over(散开)，their enemies cannot find them. And they immediately swim away. So they have lived up to now though they are not strong at all.
1.From the passage，we learn that locusts ________．
A.change their colors to protect themselves
B.are dangerous to their enemies
C.are easily found by birds
D.are small animals
2.How can pests with different colors from plants keep out of danger?
A.They have the colors much like the enemies.
B.They hide themselves by day and appear at night.
C.They run away quickly.
D.They have to move quietly.
3.Bears and lions can keep safe because ________．
A.they live in forests
B.they have the colors much like the trees
C.they move quietly
D.they like brown and gray colors
4.Why can the fish mentioned(提到) in the last paragraph live up to now?
A.Because they are very big and strong.
B.Because the liquid they send out can help them escape from their enemies.
C.Because they swim faster than any other fish.
D.Because the liquid they send out can kill their enemies.
5.Which is the best title for this passage?
A.Colors of Different Animals and Pests
B.The Main Use of Colors for Animals and Pests
C.The Change of Colors for Animals and Pests
D.Some Animals and Pests
九年级英语阅读单选中等难度题查看答案及解析