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Some wonderfully creative uses of X-rays have been in the world of art.But the most impressive one is to uncover what has been covered up.Details unfolded by an X-ray of a painting can ' t be seen any other way.For example, in the past, paintings were often repaired if small pieces of paint fell off the canvas (帆布). These repairs cannot be seen just by looking at the painting.It takes an X-ray to discover where the repairs have been made.
An X-ray of a painting is one of the best ways to tell if it was created by a famous painter or if it is a forgery(赝品).If there is a question as to whether an old master has painted a certain painting or not, X-rays are made and compared to those of paintings that are known to be original.If the brushstrokes (笔迹) , for example, are shown to be totally different than in other work done by a certain artist, then the painting is proved to be a fake copy.
Since modern paints are usually made from different materials than paints of hundreds of years ago, the image they leave on an X-ray film looks different.This is another way X-rays can be used to spot a forgery.A modem artist will try to make a forgery look hundreds of years old by painting dirty varnish on it or by using artificial means to get the varnish to look cracked.To the naked eye the forgery may look old, but when a careful study of the X-ray image is made, the deception is obvious.
It was common many years ago for an artist to finish a painting, decide it wasn't any good, and paint a completely different picture on top of it.Or artists would paint over others' work —it was their version of recycling.Taking an X-ray is the only way to find out if there is a picture underneath the picture you see with your eyes.Sometimes museums will be more interested in the painting beneath than the one on top, and will restore the older one by having the top layer painstakingly removed.
【小题1】What is the main purpose of the article?
| A.To provide information to police who are looking for stolen art. |
| B.To persuade art dealers to check for fake copies before selling art. |
| C.To explain how modern technology can be applied in unique ways. |
| D.To help artists restore damaged artwork to its original appearance. |
| A.make repairs on paintings in the past |
| B.identify the authenticity of an artwork |
| C.change the materials of a forgery |
| D.remove the recyclable paints |
| A.comparison | B.drawback | C.trickery | D.judgement |
| A.X-ray Detectives |
| B.Creative Uses of Technology |
| C.Forgery Studies |
| D.X-ray Painting Techniques |
Maybe it is true that we do not know what we have got until we lose it, but it is also true that we do not know what we have been missing until it arrives.
It takes an hour to like someone, and a day to love someone, but it takes a lifetime to forget someone. Giving someone all your love is never an assurance that they will love you back. Do not expect love in return; but if it does not, be content it has grown in yours. Do not rely on one’s appearance; it can trick you. Do not rely on wealth; even that fades away. Rely on someone who makes you smile, because it takes only a smile to make a dark day seem bright.
There are moments in life when you miss someone so much that you just want to pick them from your dreams and hug them. Dream what you want to dream; go where you want to go; be what you want to be, because you have only one life and one chance to do all the things you want to do.
The brightest future will always be based on a forgotten past. You cannot go on well in life until you let your past failures and heartaches go off. May you have enough happiness to make you sweet, enough trails to make you strong, enough sorrow to keep you human, enough hope to make you happy. The happiest of people do not necessarily have the best of everything; they just make the most of everything that comes along their way. Happiness waits for those who cry, those appreciate the importance of people who have touched their lives. Always put yourself in others’ shoes. If you feel that it hurts you, it probably hurts the other person, too.
When you were born, you were crying and everyone around you was smiling. Live your life so that when you die, you are the one who is smiling and everyone around you is crying.
- 1.
In this passage, the writer wants to tell us ______.
- A.what to do in our life
- B.where to go with other persons
- C.how to treat our life
- D.how to get on well with other persons
- A.
- 2.
Which of the following statements is true according to the passage?
- A.If you give someone your love, you are sure to receive love in return.
- B.We often don’t know what we have lost until it happens someday.
- C.It is wise not to rely on anybody because you are likely to be deceived.
- D.If it takes you a short time to love someone, you will easily forget the person.
- A.
- 3.
If you put yourself in another person’s position, ______.
- A.you shouldn’t do what will hurt other people
- B.you should put on other people’s shoes
- C.you should believe in other people
- D.you should depend on your imagination
- A.
- 4.
In the last paragraph the writer is actually telling us that a person in the world should be one who ______.
- A.can accept the suggestions made by others
- B.can live happily and forget the past
- C.does good to other people and is respected and loved by them
- D.has made a lot of money for himself before he dies
- A.
"It takes an entire village to raise a child." That's an old proverb (谚语) that is being quoted more and more often these days. And I'm pleased about that.
Today, more and more schools are reaching out to involve parents, community members and businesses(工商企业)to help shape a child's future.
Parents need to be involved in their children's education in many ways. Helping children with homework and studying, going on a field trip, teaching a craft(手工艺)or coaching a child's sports team are all great ways to be involved with your child's education. And don't forget to communicate with teachers ---- they need and respect your input. Studies show that children learn more and schools function better when parents and schools work together. It's important to stay in touch with your child's education all through his or her school career.
Communities can help children create and achieve new goals. Help with homework, read to a child, coach a children's team, or provide emotional(情感上的)support. Help solve problems and build self-esteem(自尊心). Kids need role models and advisers can be role models by sharing their experiences and wisdom.
Businesses can also help shape our children's future. Invite a class from your local school to visit your workplace. You may be providing a glimpse that opens a new world of possibilities. Show students what goes on during a typical day. Give a mini course for students: how to use a computer; how products are made; how machinery works. You may have a developing electrician, teacher, nurse, or even a newspaper reporter on your hands.
It really does take an entire village to raise a child.So share the responsibility(职责)-- and the joy -- of bringing a child to his or her full potential(潜能).
The implied advice in the proverb "It takes an entire village to raise a child." is that ______.
A.All the people in a village should give food to a child.
B.Schools, parents, and other organizations should share the responsibility of shaping a
child's future.
C.Children should be brought up in the village where they were born.
D.Schools should be set up in the village where a child was raised.
The text was written mainly for ______.
A.parents and members in organizations
B.teachers and students
C.newspaper reporters and developing electricians
D.education experts and government officials
Students can get developed in practical working skill through ______.
A.parental involvement B.community activities
C.business training D.school teaching
Which is NOT true according to the passage?
A.Parents play an important part in children’s education.
B.Communities have not a bit effect on the way to new and high ideal.
C.Educating a child well demands of the work not only from school but from other
organizations.
D.Businesses may arrange some training courses for students.
查看习题详情和答案>>Maybe it is true that we do not know what we have got until we lose it, but it is also true that we do not know what we have been missing until it arrives.
It takes an hour to like someone, and a day to love someone, but it takes a lifetime to forget someone. Giving someone all your love is never an assurance that they will love you back. Do not expect love in return; but if it does not, be content it has grown in yours. Do not rely on one’s appearance; it can trick you. Do not rely on wealth; even that fades away. Rely on someone who makes you smile, because it takes only a smile to make a dark day seem bright.
There are moments in life when you miss someone so much that you just want to pick them from your dreams and hug them. Dream what you want to dream; go where you want to go; be what you want to be, because you have only one life and one chance to do all the things you want to do.
The brightest future will always be based on a forgotten past. You cannot go on well in life until you let your past failures and heartaches go off. May you have enough happiness to make you sweet, enough trails to make you strong, enough sorrow to keep you human, enough hope to make you happy. The happiest of people do not necessarily have the best of everything; they just make the most of everything that comes along their way. Happiness waits for those who cry, those appreciate the importance of people who have touched their lives. Always put yourself in others’ shoes. If you feel that it hurts you, it probably hurts the other person, too.
When you were born, you were crying and everyone around you was smiling. Live your life so that when you die, you are the one who is smiling and everyone around you is crying.
1.In this passage, the writer wants to tell us ______.
|
A.what to do in our life |
|
B.where to go with other persons |
|
C.how to treat our life |
|
D.how to get on well with other persons |
2.Which of the following statements is true according to the passage?
|
A.If you give someone your love, you are sure to receive love in return. |
|
B.We often don’t know what we have lost until it happens someday. |
|
C.It is wise not to rely on anybody because you are likely to be deceived. |
|
D.If it takes you a short time to love someone, you will easily forget the person. |
3.If you put yourself in another person’s position, ______.
|
A.you shouldn’t do what will hurt other people |
|
B.you should put on other people’s shoes |
|
C.you should believe in other people |
|
D.you should depend on your imagination |
4.In the last paragraph the writer is actually telling us that a person in the world should be one who ______.
|
A.can accept the suggestions made by others |
|
B.can live happily and forget the past |
|
C.does good to other people and is respected and loved by them |
|
D.has made a lot of money for himself before he dies |
查看习题详情和答案>>
Maybe it is true that we do not know what we have got until we lose it, but it is also true that we do not know what we have been missing until it arrives.
It takes an hour to like someone, and a day to love someone, but it takes a lifetime to forget someone. Giving someone all your love is never an assurance that they will love you back. Do not expect love in return; but if it does not, be content it has grown in yours. Do not rely on one’s appearance; it can trick you. Do not rely on wealth; even that fades away. Rely on someone who makes you smile, because it takes only a smile to make a dark day seem bright.
There are moments in life when you miss someone so much that you just want to pick them from your dreams and hug them. Dream what you want to dream; go where you want to go; be what you want to be, because you have only one life and one chance to do all the things you want to do.
The brightest future will always be based on a forgotten past. You cannot go on well in life until you let your past failures and heartaches go off. May you have enough happiness to make you sweet, enough trails to make you strong, enough sorrow to keep you human, enough hope to make you happy. The happiest of people do not necessarily have the best of everything; they just make the most of everything that comes along their way. Happiness waits for those who cry, those appreciate the importance of people who have touched their lives. Always put yourself in others’ shoes. If you feel that it hurts you, it probably hurts the other person, too.
When you were born, you were crying and everyone around you was smiling. Live your life so that when you die, you are the one who is smiling and everyone around you is crying.
1.In this passage, the writer wants to tell us ______.
|
A.what to do in our life |
|
B.where to go with other persons |
|
C.how to treat our life |
|
D.how to get on well with other persons |
2.Which of the following statements is true according to the passage?
|
A.If you give someone your love, you are sure to receive love in return. |
|
B.We often don’t know what we have lost until it happens someday. |
|
C.It is wise not to rely on anybody because you are likely to be cheated. |
|
D.If it takes you a short time to love someone, you will easily forget the person. |
3.If you put yourself in another person’s position, ______.
|
A.you shouldn’t do what will hurt other people |
|
B.you should put on other people’s shoes |
|
C.you should believe in other people |
|
D.you should depend on your imagination |
4.In the last paragraph the writer is actually telling us that a person in the world should be one who ______.
|
A.can accept the suggestions made by others |
|
B.can live happily and forget the past |
|
C.does good to other people and is respected and loved by them |
|
D.has made a lot of money for himself before he dies |
查看习题详情和答案>>