摘要：27．That is the way which they work．
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Smiling is the most attractive human behavior. The power of smiling can work out many wonders. I love to take a walk around the small neighborhood where I live. Whoever I meet on the way, they always give me a friendly greeting with a nice smile as soon as our eyes contact 1 . I smile back. This kind of smiling exchange represents the most 2 part of my jogging experience in the States.
My daughter's smile is just like sunlight, which warms me inside the same way 3 the sun warms my body. It can clear away any clouds and unpleasant feelings. The smile of my wife, however, makes me enjoy the 4 of an elegant woman, it can sometimes relax me quite a lot.
Julia Robert's 5 is nothing but roaring like an earthquake. Americans may have 6 opinions in many things, but they all agree that Julia is America's sweetheart. Her laugh plays a very good part in her acting. Once I tried some candy in a store, the owner asked me how sweet the candy is, I said sweeter than Julia Robert. 7 both of us broke into a kind of Julia's laugh. Yes, laugh is something we can not do without. Otherwise, our life would be too 8 .
Smiling does not belong to human alone. Once I stayed at an American home and he had a little dog named Mini. When I held her gently and asked her to give me a little smile, 9 just opened her mouth wide and half closed her eyes, looking like smiling.
Los Angles is not only the place where it has the most sunshine in a year, 10 where most people smile! That’s why so many people love to travel there all year round.
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Smiling is the most attractive human behavior. The power of smiling can work out many wonders. I love to take a walk around the small neighborhood where I live. Whoever I meet on the way, they always give me a friendly greeting with a nice smile as soon as our eyes contact 1 . I smile back. This kind of smiling exchange represents the most 2 part of my jogging experience in the States.
My daughter's smile is just like sunlight, which warms me inside the same way 3 the sun warms my body. It can clear away any clouds and unpleasant feelings. The smile of my wife, however, makes me enjoy the 4 of an elegant woman, it can sometimes relax me quite a lot.
Julia Robert's 5 is nothing but roaring like an earthquake. Americans may have 6 opinions in many things, but they all agree that Julia is America's sweetheart. Her laugh plays a very good part in her acting. Once I tried some candy in a store, the owner asked me how sweet the candy is, I said sweeter than Julia Robert. 7 both of us broke into a kind of Julia's laugh. Yes, laugh is something we can not do without. Otherwise, our life would be too 8 .
Smiling does not belong to human alone. Once I stayed at an American home and he had a little dog named Mini. When I held her gently and asked her to give me a little smile, 9 just opened her mouth wide and half closed her eyes, looking like smiling.
Los Angles is not only the place where it has the most sunshine in a year, 10 where most people smile! That’s why so many people love to travel there all year round.
1. A．contact B．close C．change D．open
2. A．fashionable B．painful C．enjoyable D．educational
3. A．though B．like C．as D．from
4. A．pride B．courage C．success D．beauty
5. A．cry B．laugh C．smile D．performance
6. A．different B．similar C．same D．strange
7. A．All B．Both C．Neither D．None
8. A．lonely B．cool C．sunny D．sad
9. A．it B．she C．he D．I
10. A．even though B．as if C．so that D．but also
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DNA is the whole “map” of the human body. It is something that all humans have, and it tells the body what to do. DNA is the reason that we look like our parents, because we get some of their DNA to make our own.
People have been trying to understand the human body for a long time, In1860, Mr Mendel discovered why we look the same as other people in our family. It is because of small things called “genes”(基因) in our body. In 1953, two scientists, Watson and Crick, found out that those small parts are really messages . They’re written in the DNA with a special language.
In1961, another two scientists found the first “word” that they could understand in that language. It shows how DNA tells the cell﹙细胞﹚to build its parts. So far, scientists have found all the words in the DNA map, but we still do not understand what they all do. By understanding what just one “word ”means, we can help to save people from several illness. So the more we understand, the more doctors will be able to do.
Most people hope that this will help to make better medicine and help sick people. Other people worry that when we learn more “words” and find out more information, we will use it in the wrong way, just to make people more attractive (有吸引力的)，or stop sick people getting jobs.
1.When did Mr Mendel discover why we look the same as other people in our family?
A. In 2000. B. In 1961 C. In 1953 D In 1860
2.What did the two scientists find in 1961? They found_____.
A．all the words in the DNA map
B．Small things called “genes” in our body
C．The first “word” they could understand in that language
D．those small parts are written in the DNA with a special language
3.How can we help sick people if we understand more “words” in the DNA map?
A．Make better medicine. B．Make them get jobs.
C．Make maps for them. D．Make them attractive
4.Which one is not true according to the article?
A．We look like our parents because of “genes” in our body
B．We have understand what all the words in the DNA map do
C．DNA is the whole “map” of the human body.
D．DNA tells the cell to build its parts.
5.What do people think about this research about DNA?
A．It can be only bad B．It can be only good
C．It can be good but won’t work D．It can be good and bad
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Smiling is the most attractive human behavior. The power of smiling can work out many wonders. I love to take a walk around the small neighborhood where I live. Whoever I meet on the way, they always give me a friendly greeting with a nice smile as soon as our eyes contact 1 . I smile back. This kind of smiling exchange represents the most 2 part of my jogging experience in the States.
My daughter's smile is just like sunlight, which warms me inside the same way 3 the sun warms my body. It can clear away any clouds and unpleasant feelings. The smile of my wife, however, makes me enjoy the 4 of an elegant woman, it can sometimes relax me quite a lot.
Julia Robert's 5 is nothing but roaring like an earthquake. Americans may have 6 opinions in many things, but they all agree that Julia is America's sweetheart. Her laugh plays a very good part in her acting. Once I tried some candy in a store, the owner asked me how sweet the candy is, I said sweeter than Julia Robert. 7 both of us broke into a kind of Julia's laugh. Yes, laugh is something we can not do without. Otherwise, our life would be too 8 .
Smiling does not belong to human alone. Once I stayed at an American home and he had a little dog named Mini. When I held her gently and asked her to give me a little smile, 9 just opened her mouth wide and half closed her eyes, looking like smiling.
Los Angles is not only the place where it has the most sunshine in a year, 10 where most people smile! That’s why so many people love to travel there all year round.
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DNA is the whole “map” of the human body. It is something that all human have, and it tells the body what to do. DNA is the reason that we look like our parents, because we get some of their DNA to make our own.
People have been trying to understand the human body for a long time. In 1860, Mr. Mendel discovered why we look the same as other people in our family. It is because of small things called “genes”(基因) in our body. In 1953, two scientists, Watson and Crick, found out that those small parts are really messages. They’re written in the DNA with a special language.
In 1961, another two scientists found the first “word” that they could understand in that language. It shows how DNA tells the cell(细胞) to build its parts. So far, scientists have found all the words in the DNA map, but we still do not understand what they all do. By understanding what just one “word” means, we can help to save people from several illnesses. So the more we understand, the more doctors will be able to do.
Most people hope that this will help to make better medicine and help sick people. Other people worry that when we learn more “words” and and find out more information, we will use it in the wrong way, just to make people more attractive, or stop sick people getting jobs.
小题1:When did Mr. Mendel discover why we look the same as other people in our family?
小题2:What did the two scientists find in 1961? They found ________.
小题3:How can we help sick people if we understand more “words” in the DNA map?
小题4:Which one is NOT TURE according to the article?
小题5:What do people think about this research about DNA?
People have been trying to understand the human body for a long time. In 1860, Mr. Mendel discovered why we look the same as other people in our family. It is because of small things called “genes”(基因) in our body. In 1953, two scientists, Watson and Crick, found out that those small parts are really messages. They’re written in the DNA with a special language.
In 1961, another two scientists found the first “word” that they could understand in that language. It shows how DNA tells the cell(细胞) to build its parts. So far, scientists have found all the words in the DNA map, but we still do not understand what they all do. By understanding what just one “word” means, we can help to save people from several illnesses. So the more we understand, the more doctors will be able to do.
Most people hope that this will help to make better medicine and help sick people. Other people worry that when we learn more “words” and and find out more information, we will use it in the wrong way, just to make people more attractive, or stop sick people getting jobs.
小题1:When did Mr. Mendel discover why we look the same as other people in our family?
| A．In 2000 | B．In 1961. | C．In 1953 | D．In 1860 |
| A．all the words in the DNA map |
| B．small things called “genes” in our body |
| C．the first “word” they could understand in that language |
| D．those small parts are written in the DNA with a special language. |
| A．Make better medicine. | B．Make they get jobs. |
| C．Make maps for them. | D．Make them attractive. |
| A．We look like our parents because of “genes” in our body. |
| B．We have understood what all the words in the DNA map do. |
| C．DNA is the whole “map” of the human body. |
| D．DNA tells the cell to build its parts. |
| A．It can be only bad. | B．It can be only good. |
| C．It can be good but won’t work. | D．It can be good and bad. |