Scientists study the world and learn about things using a process called the scientific method(方法). By asking important questions and 16 the answers, it is possible to make amazing discoveries! Sometimes a scientist is 17 to answer his own questions, but if he has taken good notes another scientist may come along later who is able to use new knowledge to answer it.
When you use the scientific method to 18 an experiment, you start by making observations(观察) about something that 19 you. Based on your observations, you make a hypothesis. This is using 20 you know to make a smart guess about what you think could happen. Then you are ready to begin your experiment. All 21 your experiment you take down notes, which are 22 experiment date(资料). You are constantly making observations during this time. You may make discoveries that cause you to improve your experiment as you go. 23 , you conclude your experiment and begin to look over your notes to decide what it all means. Based on what you have learned, you make a final statement about 24 your hypothesis was correct or not. You have to have reasons and evidence to support what you are saying.
Using the scientific method can be difficult, but rewarding. Because all the steps are organized in a process, the 25 are more valid(可信的). When you provide observations as evidence to support what you are saying, your ideas are more likely to be accepted.
A．waiting for B．searching for C．worrying about D．complaining about
A．unable B．sure C．ready D．surprised
A．read B．refuse C．prevent D．conduct
A．hurts B．represents C．interests D．attacks
A．what B．when C．why D．which
A．without B．including C．except D．during
A．controlled B．arranged C．called D．carried
A．Obviously B．Suddenly C．Finally D．Mostly
A．whether B．what C．how D．when
A．problem B．results C．services D．aims
完形填空（共15题，每小题1分，满分15分）
Dear Kitty,
Thank you for your email. In your , you tell something about your school in America. And I a lot about you and your school. Now let you know something about me and my .
I am a(an) boy. I was born in Jiangsu. I am twelve years old. I am Grade Seven at No. 2 Secondary School. It about fifteen minutes to get to the school. I often go to school . But I don’t walk to school when it rains. I take a bus. My school is big and beautiful. My class ________ twenty boys and fifteen . My teachers say all the students are good. like us very much. This is my family. My mother is a . She in Zhao Yang Hospital. I have a sister. She is very . But I am tall. We are in the same school. My father is a teacher. He teaches English. All students like his subject and are good at English too.
I am happy in my family and I am happy at school too.
Write back.
Yours
Wang Fang
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完形填空(共15小题；每小题1分，满分15分)
The Great Wall is famous as the eighth wonder(奇迹) of the world. Every year tourists from all over the world come to visit this place of in China.
Last Saturday, I went to the Great Wall some of my friends. It was a day. On our way up, we saw many volunteers(志愿者) standing in the sun. They the elders with their bags, photos for some tourists and answered people’s . They were very tired, but they didn’t stop to have a . We were moved when we saw this.
Just at that time, we saw little boy standing alone and crying. We went over and asked what to him. From his answer we knew that he couldn’t his mother. We told him not to worry about it and then we tried to his mother with the phone number he gave us. Twenty minutes later, his turned up. When she saw his son, she was very excited and thanked us with tears in her eyes.
That day we not only enjoyed the of the Great Wall, but also felt the warmth of the society. If can give a helping hand to others, the world around us will be more beautiful.
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完形填空 (共15小题，每小题1分， 满分15分)
Santa Can Come before Christmas
It was last June. I went into a supermarket to buy some vegetables，when a young man asked me.
“Can you tell me where the counter（柜台） is? ”
“Well, the milk is in the lower right corner，” I replied.
Picking up my things，I finally came to the milk counter where I met the same man. He
was almost 10 bottles of milk in his hand.
I asked，“Do you need a ______？”
“Sure，thank you.” he answered.
I was he was still picking more bottles and after a few minutes his trolley had 24 bottles of milk.
I laughed and asked, “Why so many bottles?”
He smiled and said, “These are _____ my street dogs. Today I want to be a Santa for them.”
I said, “Well ,it’s too for you to be a Santa, It is still June and Christmas comes in .”
He _ at me for a second, but he left the counter without ____ anything.
,we met again at the bread counter.
“So these bread and cakes are also for the street dogs, Mr . Santa.”
He smiled and said, “Yes. These are also for the dogs and I love to be Mr. Santa in the month of June. Santa is a representation(象征) of surprises and . We always hope Santa comes before . But in real life there is a Santa in each one of us. He is always ready to help us at any time, no matter（不管） which month it is. Maybe when you offered a trolley to me, there was a Santa in you. When we food to a poor man or a(n) to someone who is caught in the rain ,we are being Santa there. So when you offer help to others or get help from others, just think that Santa has come all the way for you.”
He left and I was because of meeting him. It was right to understand Santa can come before Christmas. We just need to know he is around us by giving happiness and love to others.
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完形填空（共10分）
I like to give presents but my friends and family all need ____kinds of presents. It’s not easy to ____about a different present for everyone.
My friend Doris is in hospital. For people in hospital, it’s a good ____to give them fruit or flowers, ____ Doris doesn’t like flowers very much, and her family brings her fruit every day. So I think I will buy her a book. It is boring(无聊的) in hospital, so she will enjoy ____ .
My friend Jack is having a birthday party tomorrow. I must give him a present. Jack likes robots. I think I will give him a robot. This big red robot can walk and sing. It isn’t very ___ but I think Jack will like it. When we give presents, the prices(价格) aren’t important. A present ____ that we like someone a lot.
Soon it will be Christmas Day! I need to buy something ____ my mum and dad. I will buy a pretty scarf for my mum and sports shoes for my dad. My dad always laughs and says he gets sports shoes every Christmas but I know he likes ____.
I like to give presents to people. I like to see everyone ____. If they are happy, I will be happy, too.
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A master (大师) went to India. In those times, we didn’t have planes or many kinds of transport (交通工具) that we do now. So the master went to India 3 . He didn’t go to India before. And when he got there, he saw a lot of fruit, but much of it was expensive. Then he saw one basket, a big basket of some very red, long fruit. And it was in the shop, not expensive at all.
So he went up and asked, “ a kilo?” And the shopkeeper said, “Two Rupees.” Two Rupees in India is , just like waste paper (废纸). So he bought a whole kilogram of the fruit and started eating it. But he ate some of it: Oh, my God! His eyes watered, his mouth watered and burned, his eyes were burning, his head was burning and his face became . As he coughed (咳嗽) and was nearly out of breath, he jumped up and down, saying, “Ah! Ah! Ah!”
But he still continued (继续) to eat the fruit! Some people looked at him and said, “You’re , man. Those are chilies (辣椒)! You can’t eat so many; they’re not good for you! People put just into food for taste. You can’t just eat them like that; they’re not fruit!” But the master said, “No, I can’t stop! I money for them, and now I’ll eat them. It’s my money!”
We do a lot of things like that. Sometimes we know there’s no more hope that things will change in the future, we still continue just because we put a lot of money, time and love into it. Just like the man who ate the chilies but couldn’t stop because he didn’t want to waste the money.
So even if you lose something, let it go and move on. That’s than continuing to lose.
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