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?| A．In 2000 | B．In 1961. | C．In 1953 | D．In 1860 |
小题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. |
小题3:How can we help sick people if we understand more “words” in the DNA map?| A．Make better medicine. | B．Make they get jobs. | | C．Make maps for them. | D．Make them attractive. |
小题4:Which one is NOT TURE according to the article?| 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. |
小题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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小题1:D
小题2:C
小题3:A
小题4:B
小题5:D |
试题分析：这篇短文简要的介绍了DNA的发现历史，并介绍了这一发现对于人类生活的影响及人们对此的不同意见。
小题1:.细节理解题 根据In1860, Mr Mendel discovered why we look the same as other people in our family. 描述，时间是在1860年，可知选D。
小题2:细节理解题 根据In1961, another two scientists found the first “word” that they could understand in that language.描述，他们用那种语言理解的词汇，可知选C。
小题3:细节理解题 根据Most people hope that this will help to make better medicine and help sick people.及上文描述，可知选A，制作更好的药物。
小题4:细节理解题 根据So far, scientists have found all the words in the DNA map, but we still do not understand what they all do.可知选项B，描述错误。
小题5:细节理解题 根据短文最后一段描述，可知人们对这一发现持正反两方面的意见。故选D，可能好可能坏。 |
核心考点
试题【DNA is the whole “map” of the human body. It is something that all human have, a】；主要考察你对
科普环保类等知识点的理解。
[详细]举一反三
Everyone needs friends. We all like to ______close to someone. ______ is nice to have a friend to talk with, laugh at , and do things with. ____, sometimes we need to be alone. We don"t always want people_______ . But we would feel lonely if we _______had a friend.
No two people are______. Friends_____ don"t get on well. That doesn"t mean_____ they no longer like each other. Most of the time they will make up and become ____ again.
Sometimes friends move away. Then we feel very ______.We miss them very much, but we can ______them and write to them. It could be that we could even see them again. And we can______new friends. It is surprising to find out _____ we like our new friends when we get to know them.
There’s more good news for people who have friends. They live longer than people who don"t. Why? It could be that they are ______ . Being happy helps people stay well. Or it could be just knowing that someone cares. If someone cares about you, you take _______care of yourself.
| 小题1: | | A．look | B．watch | C．feel | D．see |
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| 小题3: | | A．Hardly | B．Nearly | C．Suddenly | D．Certainly |
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| 小题4: | | A．alone | B．away | C．all over | D．around |
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| 小题5: | | A．ever | B．never | C．just | D．really |
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| 小题6: | | A．friendly | B．kind | C．just the same | D．quite different |
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| 小题7: | | A．always | B．sometimes | C．often | D．usually |
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| 小题8: | | A．that | B．whether | C．how | D．why |
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| 小题9: | | A． friendly | B．good | C．pleased | D．friends |
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| 小题10: | | A．angry | B．sad | C．happy | D．alone |
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| 小题11: | | A．call | B．ask | C．tell | D．talk with |
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| 小题12: | | A．look for | B．find | C．make | D．know |
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| 小题13: | | A．how often | B．how long | C．how many | D．how much |
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| 小题14: | | A．happier | B．stronger | C．kinder | D．richer |
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| 小题15: | | A．less | B．better | C．little | D．no |
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Ladies and gentlemen, I returned to this year in a time machine. In the year 2500, we are able to travel through time to any year in the history of the earth. This year is your last chance your lifestyle to save the earth.
Beginning in the middle of the 20th century, a few people were worried about polluting the earth’s water and air, but most people did not change their way of life. Instead, they continued to pour(倒) dangerous chemical(化学物品) and other waste into lakes and seas, to drive more and more cars and trucks, and to cut down trees.
By the year 2200, the earth’s water was completely polluted. People could no longer drink water, and they had to use other types of liquids(液体). Scientists said that in the future there might be too many people on the earth. But not enough was done.
So by the year 2300, there were so many people that food became scarce. There was no water to grow food and all of the fish in lakes and seas died because of pollution. Terrible wars broke out between the rich and the poor. Scientists were working very hard to find another planet in space where humans could live.
By the year 2400, the air was too polluted for humans to breathe. So we had to leave the earth. But only the rich were able to leave. Where did we go? Nowhere. And everywhere. You see scientists did not find another safe planet, so now we must travel around the universe in our space ships. We are still looking for a place to call our home.
So it is up to you to change history. There is still hope. You must change your lifestyle now, before it is too late.
小题1:Which problem is NOT talked about in Paragraph 2?| A．Water | B．Air | C．Lifestyle | D．Food |
小题2: The underlined word ‘scarce’ means ‘______’ in Chinese.小题3:Which of the following is NOT true?| A．Only a few people changed their lifestyle in the 20th century. | | B．There was no clean water for people to drink by the year 2200. | | C．All the fish died because of the pollution by the year 2300. | | D．We found a new home in another planet by the year 2400. |
小题4:What’s the best title of the passage?| A．Stop polluting | B．Change or leave | | C．Look for new home | D．Return to the earth |
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I often hear some students say English is difficult, and it gives them a headache. So they can’t learn it well. But English is very easy for me. I’m good at it. I’m very glad to tell you something about how I study English.
First, I think an interest in English is very important. When I was in Grade One, we had a new subject -English. It was fresh for me. I was interested in it, so I worked hard at it. Soon we had an English exam and I got a very good mark. How happy I was! After that, I learned English harder and harder. Our English teacher often teaches us English songs, the songs sound nice. I often think how interesting English is!
Second, I think English is a foreign language. I should learn it well in the following ways: Listen to the teacher carefully, speak bravely, read aloud and have a good vocabulary. Then practice again and again, never be tired. And I also have a good habit: Asking whenever I have a question, I must make it clear by asking our English teacher. How happy I am when I understand!
Besides this, I often read English stories, jokes and easy novels. From these I know English is not only interesting, but also useful. They help me understand a lot of things. So to do more reading is an important way to learn English well.
And I also do some exercises from our class magazines, and I often write English diaries. English has become a close friend of mine.
Now I have learned English for more than two years. I always keep the first position in our school. From these words, I hope every student can learn English well.
小题1: Why do some Students often “have a headache”?| A．Because they are easy to catch cold. | | B．Because it’s often very cold | | C．Because they think English is easy. | | D．Because they don’t think English is easy. |
小题2: The sentence “I got a very good mark” means ________.| A．I got a good way. | B．I had a good idea. | | C．I did badly in the exam. | D．I did well in the exam. |
小题3: The writer thinks English is interesting because ________.| A．English is full of stories. | | B．English is full of jokes. | | C．His teacher often teaches them nice English songs. | | D．Of nothing |
小题4: Which of the following is not the way the writer studies by?| A．Speaking bravely | B．Writing to foreign friends | | C．Reading aloud | D．Writing English diaries |
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Do you know something about the holiday camps in Hong Kong? The students in Hong Kong used to take part in an English holiday camp in their holidays. And their parents weren’t with them. Though they were very young.
Now they still enjoy taking part in many kinds of holiday camps without their parents. Many parents let their children take part in some kinds of holiday camps in order to learn some practical knowledge in their life. And also learn some knowledge about living skills, science, reading and writing... The most important for the children is to learn to look after themselves.
Holiday camps in Hong Kong are not so expensive. Most of the families can afford to send their children there for further study, for making their bodies strong... And the government never charges (收费) for them.
It is said that students in Hong Kong have much knowledge about many things. Perhaps it has something with the kinds of holiday camps.
小题1:Students in Hong Kong like to take part in the _________.| A．holiday camps | | B．English holiday camps | | C．science holiday camps | | D．Chinese holiday camps |
小题2:The most important thing for the students to take part in the holiday camps in Hong Kong is _________.| A．to make their bodies strong | | B．to learn much knowledge about many things | | C．to learn to look after themselves | | D．to have a further study about many subjects |
小题3:The cost to take part in a holiday camp is _________.
A. very dear B not cheap C. very high D. low
小题4:The students who often take part in the holiday camps _________.| A．must have much knowledge about many things | | B．must he very thin | | C．must he very tall | | D．must be very beautiful |
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People usually set off firecrackers ( 爆竹 ) to celebrate Spring Festival. But because of the smog, this year seemed very quiet. It was really different. A man called Zhang Wei said that his friends and he hadn’t set off a single firecracker.
“ We all suffered ( 遭受 ) from last month’s smog. If we don’t call an end to the firecrackers, the environment will get worse and worse during the holiday. ” said Zhang Wei. He called on more people to set off fewer firecrackers during this year’s Spring Festival by putting up a notice in his neighborhood.
More Chinese looked forward to celebrating ( 庆祝 ) the holiday in a greener way . They decided not to set off firecrackers. They also decided not to waste food . They said the new celebrations sounded fashionable.
To clean the sky ,more than ten provinces including Guangdong, Zhejiang and Jiangsu have started to use national 4 standard ( 标准 ), which is expected to reduce ( 减少 ) vehicle emission ( 车辆排放 ) by 30% to 50%. Beijing even has started to use the stricter national standard.
We still have a lot to do to improve the air quality. For example, using public transportation as much as possible is not a hard thing for us to do, but it matters a lot .
小题1: What happened in a large part of China this January?| A．It experienced larger amounts of smog. | | B．People set off lots of firecrackers. | | C．There was a heavy rain. | | D．Many car accidents happened |
小题2:How do people usually celebrate Spring Festival in China ？| A．By putting up a notice | B．By setting off firecrackers | | C．By not wasting food | D．By using public transportation |
小题3:How many provinces have started to use national 4 standard?| A．Three | B．Six | C．Eight | D．More than ten |
小题4: Which of the following is Not true according to the passage?| A．Zhang Wei didn’t set off a single firecracker this Spring Festival | | B．We should use more public transportation to help reduce the air pollution. | | C．Zhejiang has started to use national 4 standard to reduce vehicle emission. | | D．More Chinese think the celebration of setting off firecrackers is fashionable. |
小题5: What’s the best title for the passage?| A．How to reduce the vehicle emission | | B．How to improve the air quality | | C．What do Chinese do in Spring Festival | | D．Using public transportation |
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