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Before going outside in the morning, many of us check a window thermometer(温度计)for the temperature. This helps us decide what to wear. ____1.____. We want our food to be a certain coldness in the refrigerator. We want it a certain hotness in the oven. If we don’t feel well, we use a thermometer to see if we have a fever. We keep our rooms a certain warmth in the winter and a certain coolness in the summer.
Not all the thermometers use the same system to measure temperature. We use a system called the Fahrenheit scale. But most other countries use the Centigrade scale.
Both systems use the freezing and boiling points of water as their guide.___ 2.___ .
The most common kind of thermometer is made with mercury(水银)inside a clear glass tube. As mercury (or any other liquid ) becomes hot, it expands. As it gets colder, it contracts(收缩). That is why on hot days the mercury line is high in the glass tube.____ 3.___.
First. Take a clear glass juice bottle that has a cap ; fill the bottle with coloured water. Tap a hole in the center of the cap using a hammer and thick nail. Put the cap on the jar. Then stick a plastic straw(吸管) through the nail hole.
_____4.____.
Finally. Place a white card on the outside of the bottle and behind the straw. Now you can see the water lever easily.
_____5.____.
As the temperature goes down, the water will contract, and the lever in the straw will come down. Perhaps you will want to keep a record of the water lever in the straw each morning for a week.
A．We use and depend on thermometers to measure the temperature of many other things in our daily lives.
B．Thermometers measure temperature, by using materials that change in the same way when they are heated or cooled.
C．Now that you know this rule you can make a thermometer of your own that will work.
D．The water will rise in the straw. As the temperature of the air goes up, the water will expand and rise even higher.
E．They label these in different ways. On the Fahrenheit scale water freezes at 32 degrees and boils at 212 degrees. On the Celsius scale water freezes at 0 degrees and boils at 100degrees.
F．Take wax (you may use an old candle if you have one) and melt some of it right where the straw is struck into the cap to seal把..粘住) them together.
G．People use thermometers which are made by themselves when travelling around the world.
Dolphins are not fish, but warm-blooded animals. They live in groups, and speak to each other in their own language. In this way they are like other animals, such as bees and birds. But dolphins are very different from almost all land animals. Their brains are nearly the same size as our own, and they live a long time—at least twenty or thirty years.
Like some animals, dolphins use sounds to help them find their way around. They also make these sounds to talk to each other and to help them find food. We now know they do not use their ears to receive these sounds, but the lower part of the mouth, called the jaw.
Strangely, dolphins seem to like man, and for thousands of years there have been stories about the dolphin and its friendship with people. There is a story about sailors in the 19th century. In a dangerous part of the sea off the coast of New Zealand, they learnt to look for a dolphin called Jack. From 1871 to 1903, Jack met every boat in the area and showed it the way. Then in 1903 a passenger on a boat called The Penguin shot and wounded Jack. He recovered and for nine years more continued to guide all ships through the area—except for The Penguin.
Today, some people continue to kill dolphins, but many countries of the world now protect them and in these places it is against the law to kill them.
1.Dolphins are different from many other animals in that they __________.
A. live in groups B. have large brains
C. are warm-blooded D. have their own language
2.Which of the following does the dolphin use to help it find its way around?
A. Its nose. B. Its ears.
C. Its mouth. D. Its eyes.
3.By telling the story of Jack the writer wanted to show that __________.
A. dolphins are friendly and clever
B. people are cruel to animals
C. Jack is different from other dolphins
D. dolphins should be protected by law
Actually we have known a lot of examples and meaningful words to support the fact that we should try our best to ease the bad impression of others. Just like the old saying goes, we should give a better assumption to the one than we think he was. But many of us always fail to do this.
Take the situation of my class for example. Right at the beginning of the first semester when we were freshmen we all showed great favor to each other. And when there was an activity that needed some people to join, we would be willing to attend whether it was interesting or not. And we were really like brothers and sisters, and our class was just like a family, a warm family. But now, I feel tired of those meaningless activities not only because of the boring activities themselves but also the cool response of our classmates.
I think the reasons why the passion of most classmates is so low may be as follows:
To start with, many of us take part in more than one organization, which will certainly make us tired. Also, in the study fields, many of us may find that our courses are sometimes difficult to understand or comprehend, especially the specialized subjects. Moreover, "history" teaches us that if one does not study hard, it is possible to fail in the exams. So it is a big and good excuse to say that "I do really want to attend, but I have a lot of horse work to do, so'"."
Last but not least, some people believe that some of our leaders should not be regarded as a leader, maybe I should say we, as leaders, lost the reputation, support and trust of yours. At least I am the warm-hearted one, although I cannot promise you that your advice will be adopted surely, at least I will spare no effort to "give" you the right to be heard, and to serve you.
Be active to show your talents and abilities and to create a better image of our class. Most important of all, work painstakingly for a better condition that we should have reached.
1.At the beginning of the first semester the students were_____ each other.
A. quite curious about B. active and kind to
C. full of sympathy to D. specially tired of
2.Now the students are unwilling to get involved in the activities because they are______.
A. not easy to organize B. costing too much time
C. difficult to comprehend D. meaningless and boring
3.Which of the following statements is TRUE?
A. Students' passion for activities was high at first but disappeared gradually.
B. Students' passion for activities grew gradually because they were interesting.
C. Students were too busy to take part in activities after their classes.
D. Students were unwilling to participate in activities because of their leaders.
4.We can infer from the passage that the writer must be .
A. a supporter of activities
B. a responsible teacher
C. a top student in class
D. a devoted class leader
About ten men in every hundred suffer from color blindness in some way. Women are luckier; only about one in two hundred is affected in this matter. Perhaps, after all, it is safer to be driven by a woman!
There are different forms of color blindness. In some cases a man may not be able to see deep red. He may think that red, orange and yellow are all shadows of green. Sometimes a person cannot tell the difference between blue and green. In rare cases an unlucky man may see everything in shades of green － a strange world indeed.
Color blindness in human beings is a strange thing to explain. In a single eye there are millions of very small things called “cones”. These help us to see in a bright light and to tell difference between colors. There are also millions of “rods”, but these are used for seeing when it is near dark. They show us shape but no color.
Some insects have favorite colors. Mosquitoes prefer blue to yellow. A red light will not attract insects, but a blue lamp will. In a similar way human beings also have favorite colors. Yet we are lucky. With the aid of the cones in our eyes we can see many beautiful colors by day, and with the aid of the rods we can see shapes at night. One day we may even learn more about the invisible colors around us.
1.The passage is mainly about _____________.
A. color and its surprising effects.
B. women being luckier than men
C. danger caused by color blindness
D. color blindness
2.According to the passage, with the help of the “cones”, we can_______________.
A. tell different shapes B. see in a weak light
C. kill mosquitoes D. tell orange from yellow
3.Why do some people say it is safer to be driven by women?
A. Women are more careful.
B. There are fewer color-blind women
C. Women are fonder of driving than men.
D. Women are weaker but quicker in thinking.
4.Which of the statements about the color- blind is true?
A. Not all of them have the same problem in recognizing color.
B. None of them can see deep red.
C. None of them can tell the difference between blue and green.
D. All of them see everything in shades of green.
Frank Woolworth was born in Rodman, New York., in 1852. His family were very poor farmers, and there was never enough to eat. Frank decided he did not want to be farmer. He took a short business course, and went to work as a salesman in a large city.
Woolworth realized he had a natural skill for showing goods to attract people’s interest, but he soon learned something more important. One day his boss told him to sell some odds and ends (小商品 ) for as much as he could get. Frank put all these things on one table with a sign which said FIVE CENTS EACH. People fought and pushed to buy the things and the table was soon cleared.
Soon afterwards, Woolworth opened his own store., selling goods at five and ten cents. But he had another lesson to learn before he became successful. That is, if you want to make money by selling low-price goods, you have to buy them in large quantities directly from the factories. Once, for example, Woolworth went to Germany and placed an order for knives. The order was so large that the factory had to keep running 24 hours a day for a whole year. In this way, the price of the knives was cut down by half.
By 1919, Woolworth had over 1000 stores in the US and Canada, and opened his first store in London. He made many millions and his name became famous throughout the world. He always run his business according to strict rules, of which the most important was: “ THE CUSTOMER IS ALWAYS RIGHT.”
1.Frank took a short business course in order to ____________.
A. earn more money for his family
B. learn something from a salesman
C. get away from the farm
D. get enough to eat.
2.Frank sold the odds and ends quickly because _____________.
A. he knew how to get people to buy his goods.
B. he cut down the price by half
C. he had put the goods on a table in a very nice way.
D. the sign he put on the table was well designed.
3.The price of the knives was cut down by half because ______________.
A. the factory workers worked 24 hours a day.
B. knives were ordered in large quantities directly from the factory.
C. the knives were made in Germany, where labour (劳动力) was cheap.
D. the knives were produced in one factory.
4._____________ make Woolworth a world-famous man.
A. His business skills and his wealth.
B. The low price of the goods he sold.
C. His trip to Germany and his huge order of knives.
D. His natural skill for showing things.
书面表达
假设你是李华,你的英国朋友Peter来信向你咨询如何才能学好中文。请你根据下列要点写封回信。
要点:1. 参加中文学习班 2. 看中文书刊、电视 3. 学唱中文歌曲 4. 其他
注意: 1. 词数120左右 2. 可适当增加细节, 以使行文连贯。
Dear Peter,
____________________________________________________________________________________
____________________________________________________________________________________
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Best Wishes.
Yours,
Li Hua
