One day, Mr Smith is going to take a train to his hometown. When the train starts, one of his shoes falls to the ground. The train is going faster and faster, and he can’t pick it up. Then he quickly takes off the other shoe and throw it on the ground near the fallen(掉下的) shoe. A little boy on the train asks him, “Why do you do that? You have lost(丢失) one shoe. ”Mr Smith answers, “ If a man picks them up, he may get a pair of shoes. ”Mr Smith is going to his hometown________.
| A．by bus | B．by train | C．by bike | D．on foot |
What happens(发生) to Mr Smith when the train starts? He lost________.
| A．his bag | B．his watch | C．one of his shoes | D．nothing |
Mr Smith can’t pick up the fallen shoe because ________.
he doesn’t want to take it back
the little boy picks it up
he thinks it is too old
the train starts and is going faster and fasterWhat does Mr Smith do after his shoe falls to the ground?
He gives the other one to the little boy.
He throws the other one to the ground near the fallen one.
He gets off the train.
He looks at the shoe and laughs.Why does Mr Smith do that?
Because he doesn’t like his shoes.
Because he wants the man who picks up his shoes to get a pair of shoes.
Because he wants the little boy to pick up the shoes.
Because somebody asks him to do that.
What will the car be like in the future? Maybe we can sit in a car that can drive itself.
About 40 years ago, scientists from the United States started to develop self-driving cars (无人驾驶汽车). The most famous recent one was made by Google in 2009. There are cameras and radars (雷达) on the top of the car. They allow the computer in the car to draw a 3D map of the environment. Chinese scientists have also successfully developed a self-driving car. The car made a trip from Changsha to Wuhan.
Is a self-driving car safe? A recent study shows that robots make safer drivers than humans. If only 10% of cars on the street are self-driving, they will save 1,000 lives (生命) every year. If 90% of vehicles (交通工具) are self-driving, 21,700 lives will be saved a year. However, a self-driving car is expensive and each costs about $100,000. So it is impossible to be very popular in the near future.
根据短文内容，判断下列句子正误。正确的用“A”表示，不正确的用“B”表示。American scientists started to develop self-driving cars in 2009.
Cameras and computers are on the top of the self-driving car by Google.
In China, scientists have successfully developed a self-driving car.
The more self-driving cars there are on the street, the fewer traffic deaths there will be.
The self-driving cars will be very popular in the near future.
The police find most criminals (罪犯) because somebody tells them who the criminals are. They find other criminals by using science and their computers. When there is a bank robbery (抢劫), the police first look through their computers for the names of the bank robbers that they know about. Then they go and talk to any of these robbers who are not in prison (监狱). They ask them where they were when the robbery happened. If any of these people cannot give a good answer, the police will often use science to find out if one of them is the robber.
Many criminals leave something of themselves at the places of the crimes like a fingerprint or a hair. Or they take something away on their shoes or clothes, like dirt or animal hair. If they leave behind some of their blood or their hair or a piece of skin, it will have their DNA inside it.
Everyone’s DNA is different and their fingerprints are also different. So, if a criminal cuts himself during a robbery or leaves his hair, or even a small piece of skin, scientists can find out what his DNA is. The police can then ask the person they think is the robber to give them his hair or some blood and see if it has the same DNA. Many criminals are in prison today because of this kind of evidences .
根据上文内容判断正 ( T ) 误( F )Usually the police find criminals because they use their computer.
The police do not usually ask criminals who are in prison about a crime because these criminals could not have done it.
The most useful evidences that criminals leave at the places of their crimes are things with their DNA in them.
Many criminals usually take something away only on their shoes after the crimes.
The story is about a bank robbery.
I loved my mother’s desk since I was just tall enough to see above the top of it when mother sat doing letters. Looking at the ink bottle, pens and white paper, I decided that the act of writing must be the most wonderful thing in the world.
Years later, during her final illness, mother kept different things for my sister and brother,“But the desk,”she said again,“is for Elizabeth. ”
I never saw her get angry, and never saw her cry. I knew she loved me, and she showed it in action. But as a young girl, I wanted heart-to-heart talks between mother and daughter.
They never happened and a gulf opened between us. I was “too emotional (易动感情的)”, but she lived“on the surface”.
As years went by and I had my own family. I loved my mother and thanked her for our happy family. I wrote to her in careful words and asked her to let me know in any way that she did forgive (原谅) me.
I posted the letter and waited for her answer. It didn’t come.
It seemed that nothing happened. I couldn’t be sure that the letter had even got to her.
I only knew that I had written it, and I could stop trying to make her into someone she was not.
Now the present of her desk told me that she was pleased that writing was my chosen work, though she had never been able to. I cleaned the desk carefully and found some papers inside… a photo of my father and a one-paper letter. Folded (折叠) and refolded many times.
Give me an answer, my letter asks, in any way you choose. Mother, you always chose the act that speaks louder than words.The writer began to love her mother’s desk ______.
| A．after mother died | B．when she was a child |
| C．before she became a writer | D．when mother gave it to her |
The passage shows that mother _______.
| A．was too serious about everything her daughter had done |
| B．was cold on the surface but kind in her heart to her daughter |
| C．cared much about her daughter in words |
| D．wrote to her daughter in careful words |
The word“gulf”in the 4th paragraph means _______.
| A．deep understanding between the old and the young |
| B．part of the sea going far in land |
| C．free talks between mother and daughter |
| D．different ideas between mother and daughter |
What did mother do with her daughter’s letter asking for forgiveness？
| A．She read the letter again and again till she died. |
| B．For years, she often talked about the letter. |
| C．She didn’t forgive her daughter at all in her life. |
| D．She had never received the letter. |
What’s the best title of the passage？
| A．My Letter to Mother | B．Mother and Children |
| C．My Mother’s Desk | D．Talks Between Mother and Me |
Height is just one of the features your genes (基因) decide. In fact, because you have two parents, your genes provide you a height that usually lands somewhere between the height of each parent. If both your parents are tall, then most probably you will be tall, too. But if you have questions about how tall you’re going to be, ask your doctor if he or she can help you find them out.
But genes don’t decide everything. For example, eating an unhealthy diet can keep you from growing to your full potential (潜力). Getting plenty of sleep and enough exercise will help you grow to the expected height.
It’s natural that you’re wondering how fast you should grow. There’s no perfect or right answer. Generally speaking, kids grow about 6 cm a year between age 3 and the time when they start puberty .
Your doctor will know how your growth has been going over the years. 2 cm here and 3 cm there make a little difference to the height you’re at now. How have you been growing up to this height？What other changes may your body be going through？
Don’t be amazed if you seem to have grown a lot in a very short time. Everyone has a growth spurt (高峰) during puberty. The age for starting puberty is about 10 for girls and about 11 for boys. But it can be earlier or later — between 7 and 13 for girls and 9 and 15 for boys.
You’ll usually begin to notice that you’re growing faster about a year after your body starts to show the first changes of puberty.If you want to know how tall you should grow, _______.
| A．you should have enough exercise |
| B．you can ask doctors for help |
| C．you should take some special medicine |
| D．you can record your growth during puberty |
The Chinese for the word “ puberty ” is _______.
| A．童年时期 | B．婴幼儿时期 |
| C．习惯养成期 | D．生长发育期 |
This passage is mainly about ______.
| A．how the genes work in your body |
| B．how your parents’ height influence you |
| C．how you look like your parents |
| D．how you grow to a certain height |
After reading this passage, we can explain ______.
| A．how good it is to be a doctor |
| B．how much sleep time we need |
| C．why genes can’t decide everything |
| D．what healthy diet is |
Which is NOT mentioned in the passage？
| A．Your height most probably depends on how tall your parents are. |
| B．Girls’ age for starting puberty is usually earlier than that for boys’. |
| C．The features showing the first changes of puberty between boys and girls are different. |
| D．You may be amazed sometimes when you grow too fast. |
Our village carpenter (木匠) , John, came one day and made a dining table for my wife. He made it just the right size for the space between the two windows. When I got home that evening, John was drinking a cup of tea and writing out his bill for the job.
My wife said to me quietly,“That’s his ninth cup of tea today. ”But she said, in a loud voice,“It’s a beautiful table, dear, isn’t it？”
“I’ll decide about that when I see the bill. ”I said.
John laughed and gave me his bill for the work. I read:
One dining table 10 November, 1998
Cost of wood $17. 00
Paint $1. 50
Work, 8 hours ( $1 an hour ) $8. 00
Total $36. 50
When I was looking at the bill, John said, “It’s been a nice day, hasn’t it？Quite sunny. ”
“Yes. ”I said. “ I’m glad it’s only the tenth of November. ”
“Me, too. ”said John. “You wait — it’ll be a lot colder by the end of the month. ”
“Yes,colder — and more expensive! A dining table will be $20 more expensive on November 30, won’t it, John？”
John looked hard at me for half a minute. Was there a little smile in his two blue eyes？I gave his bill back to him.
“If there isn’t too much trouble, John,” I said,“please add it up again. You can forget the date…”
I paid him $26. 50 and he was happy to get it.Why did John talk about the weather when the writer was looking at the bill？
| A．Because he didn’t want the writer to go through the bill carefully. |
| B．Because it was really a fine day. |
| C．Because he wanted the writer to check the bill carefully. |
| D．Because he wanted to tell the writer what the weather was like. |
The writer thought John would ask for _______ if he made a dining table on the last day of November.
| A．$20. 00 | B．$46. 50 |
| C．$56. 50 | D．$26. 50 |
When the writer gave John the money, he was happy because _______.
| A．he got what he should get for his work |
| B．he got much more money for his work |
| C．he got the money easily |
| D．he didn’t have to add up the costs again |
From the story we know that ______.
| A．John made a mistake in the bill |
| B．John tried to fool the writer in order to get more money for his work |
| C．John had written out the bill before the writer got home |
| D．John still wanted to get $36.50 for his work in the end |
What do you think of the writer？ He is ______.
| A．honest | B．clever |
| C．foolish | D．afraid |
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