Do you know why different animals or pests 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 spread 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 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. They colours 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. 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

Have you wondered why different animals or pests have their particular colors? Colors in them seem to be used mainly to protect themselves.

Birds, especially seagulls are very fond of locusts, but birds can’t easily catch locusts because locusts change their colors together with the change of the color of crops. When crops are green, locusts look green. But when crops are ripe, locusts take on exactly the same brown color as crops have. Some other pests with different colors from plants are usually easily found and eaten by their enemies. So they have to hide themselves in terror for lives and appear only at night.

If you study the animal life in any part of the world, you will find the main use of coloring is to protect themselves, bears, wolves and other beasts move quietly through forests. They are usually invisible to the eyes of hunters, because they have the color much like the barks(树皮) of trees.

An even more strange act remains to be noticed. A kind of fish living in seas can send out a kind of very black liquid when it faces danger. While the liquid is over, its enemies cannot find it, and it quickly swims away. Thus, it has existed up to now though it is not powerful at all.

1.This passage mainly talks about ______.

A. the change of color in locusts  

B. the protective coloration of animals and pests

C. how a certain sea fish protects itself  

D. animals or pests can dye themselves different colors

2.Locusts are ______ but they aren’t easily wiped out(消灭)by their enemies because _______.

A. animals; they are powerful enough  

B. beasts; they are dangerous to their enemies

C. pests; they take on the same colors as crops 

D. birds; they fly very fast

3.What does the underlined word “invisible” in Paragraph 3 mean?

A. can’t be seen    B. can be seen     C. can’t move      D. can’t change

Have you ever wondered why different animals or pests have their particular colours? Colours in them seem to be used mainly to protect themselves．

       Birds, especially seagulls, are very fond of locusts, but birds cannot easily catch locusts because locusts change their colours together with the change of the colour of crops．When crops are green, locusts look green．But when crops are ripe, locusts take on exactly the same brown colour as crops have．Some other pests with different colours from plants are usually easily found and eaten by their enemies．So they have to hide themselves in terror for lives and appear only at night．

       If you study the animal life in any part of the world, you will find the main use of colouring is to protect themselves．Bears, wolves and other beasts move quietly through forests．They are usually invisible to the eyes of hunters, because they have the colour much like the barks of trees．

       An even more strange act remains to be noticed．A kind of fish living in seas can send out a kind of very black liquid when it faces danger．While the liquid spreads over, its enemies cannot find it, and it immediately swims away．Thus, it has existed up to now though it is not powerful at all．

1．This passage mainly talks about ________．

       A．the change of colour in locusts

       B．the protective coloration of animals and pests

       C．how a certain sea fish protects itself     

       D．animals or pests can dye themselves different colours

2．Locusts are ________ but they are not easily wiped out by their enemies because ________．

       A．animals; they are powerful enough  

       B．beasts; they are dangerous to their enemies

       C．pests; they take on the same colours as crops

       D．birds; they fly extraordinarily fast

3．The pests that have different colours from plants usually appear at night because ________．

       A．their enemies can easily find them and eat them

       B．they have the habit of coming out in darkness

       C．it’s easy for them to destroy plants in darkness

       D．birds take their rest when night comes

4．Bears and wolves have the same colour as barks of trees because ________．

       A．they fear other beasts

       B．they like brown or grey colours

       C．they enjoy walking through forests quietly

       D．the colours help prevent themselves from being noticed

阅读理解

　　All research to date on body image shows that women are much more critical of their appearance than men, much less likely to admire what they see in the mirror. Up to 8 out of 10 women are dissatisfied with their reflection(映象) and more than half may see a distorted(扭曲的) image. Men looking in the mirror are likely to be either pleased with what they see or indifferent(淡漠). Research shows that men generally have a much more positive body-image than women, if anything they may tend to over-estimate their attractiveness. Some men looking into the mirror may literally not see the flaws in their appearance.

　　Why are so much more self-critical than men? Because women are judged on their appearance more then men, and standards of female beauty are considerably higher and more flexible. Women are continually bombarded with images of the “ideal” face. And constant exposure to idealized(理想化) images of female beauty on TV , magazines and billboards makes exceptional good looks seem normal and anything short of perfection seem abnormal(不正常的) and ugly. It has been estimated that young women now see more images of outstandingly beautiful women in one day than our mothers saw throughout their entire adolescence(青春期).

　　Also, most women are trying to achieve the impossible. Standards of female beauty have in fact become progressively more unrealistic during the last century. In 1917, the physically perfect woman was about 5ft4 in height. Even 25 years ago, top models and beauty queens weighed only 8% less than the average woman, now they weigh 23% less .The current media(媒介) ideal for women is achievable by less than 5% of the female population and that's just in terms of weight and size. If you want the ideal shape , face , etc, it's probably like 1% .

1．The main purpose of the passage is to ________.

[　　]

A．explain a phenomenon(现象)

B．compare two facts

C．make a suggestion

D．strengthen a current they

2．The difference between men and women when they look into the mirror is that ________.

[　　]

A．women stay longer then men before the mirror

B．women feel more comfortable about their appearance than men

C．women, more than men, come away from the mirror feeling unsatisfied

D．women's looks before the mirror appear more distorted than men's

3．The underlined part “bombarded with ”( in Para. 3 ) could be beat replaced by ________.

[　　]

4．Which of the following can be inferred about the physically perfect woman in 1917?

[　　]

A．She was rat very much different from the average woman.

B．She was hardly achievable by the female population.

C．She looked into the mirror more then women today.

D．She was regarded as perfect only in terms of her face.

．

       Have you ever wondered why different animals or pests have their particular colours? Colours in them seem to be used mainly to protect themselves．

       Birds, especially seagulls, are very fond of locusts, but birds cannot easily catch locusts because locusts change their colours together with the change of the colour of crops．When crops are green, locusts look green．But when crops are ripe, locusts take on exactly the same brown colour as crops have．Some other pests with different colours from plants are usually easily found and eaten by their enemies．So they have to hide themselves in terror for lives and appear only at night．

       If you study the animal life in any part of the world, you will find the main use of colouring is to protect themselves．Bears, wolves and other beasts move quietly through forests．They are usually invisible to the eyes of hunters, because they have the colour much like the barks of trees．

       An even more strange act remains to be noticed．A kind of fish living in seas can send out a kind of very black liquid when it faces danger．While the liquid spreads over, its enemies cannot find it, and it immediately swims away．Thus, it has existed up to now though it is not powerful at all．

1.This passage mainly talks about ________．

       A．the change of colour in locusts                                                                            

       B．the protective coloration of animals and pests

       C．how a certain sea fish protects itself     

       D．animals or pests can dye themselves different colours

2.Locusts are ________ but they are not easily wiped out by their enemies because ________．

       A．animals; they are powerful enough                                                                       

       B．beasts; they are dangerous to their enemies

       C．pests; they take on the same colours as crops                                                

       D．birds; they fly extraordinarily fast

3.The pests that have different colours from plants usually appear at night because ________．

       A．their enemies can easily find them and eat them

       B．they have the habit of coming out in darkness

       C．it’s easy for them to destroy plants in darkness

       D．birds take their rest when night comes

4.Bears and wolves have the same colour as barks of trees because ________．

       A．they fear other beasts                                                                                                

       B．they like brown or grey colours

       C．they enjoy walking through forests quietly                            

       D．the colours help prevent themselves from being noticed