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Before going outside in the morning, many of us check a window thermometer(溫度計)for the temperature. This helps us decide what to wear.__【小題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.__【小題2】__.
The most common kind of thermometer is made with mercury(水銀)inside a clear glass tube. As mercury (or any other liquid ) becomes hot, it expands. As it gets colder, it contracts(收縮). That is why on hot days the mercury line is high in the glass tube.__【小題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.____【小題4】____.
Finally. Place a white card on the outside of the bottle and behind the straw. Now you can see the water lever easily. ____【小題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.People use thermometers which are made by themselves when travelling around the world.
B.We use and depend on thermometers to measure the temperature of many other things in our daily lives.
C.Thermometers measure temperature, by using materials that change in the same way when they are heated or cooled.
D.Now that you know this rule you can make a thermometer of your own that will work.
E.The water will rise in the straw. As the temperature of the air goes up, the water will expand and rise even higher.
F.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.
G.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.


【小題1】B
【小題1】F
【小題1】D
【小題1】G
【小題1】E

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There is no specific advice on how to use your body language. What you do might be interpreted in several ways, depending on the setting and who you are talking to. You’ll probably want to use your body language differently when talking to your boss compared to when you talk to a girl/guy you’re interested in. These are some common interpretations(解釋,詮釋) of body language and often more effective ways to communicate with your body.

First, to change your body language you must be aware of your body language. Notice how you sit, how you stand, how you use you hands and legs, what you do while talking to someone.

You might want to practice in front of a mirror. Yeah, it might seem silly but no one is watching you. This will give you good feedback on how you look to other people and give you an opportunity to practise a bit before going out into the world.

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some specific advice on how to use your body language

the backgrounds and the person who you are communicating with

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If a person wants to change his body language when he is talking, he must ______.

pay attention to others’ postures

pay attention to his own hands and legs

pay attention to his own body language

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When a person practise his body language, he can ______ .

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D
Will it matter if you don’t take your breakfast? Recently a test was given in the United States. Those tested included people of different ages, from 12 to 83. During the experiment, these people were given all kinds of breakfasts, and sometimes they got no breakfast at all. Special tests were set up to see how well their bodies worked when they had eaten a certain kind of breakfast. The results show that if a person eats a proper breakfast, he or she will work with better effect than if he or she has no breakfast. This fact appears to be especially true if a person works with his brains, if a student eats fruit, eggs, bread and milk before going to school, he will learn more quickly and listen with more attention in class. Contrary to what many people believe, if you don’t eat breakfast, you will not lose weight. This is because people become so hungry at noon that they eat too much for lunch, and end up gaining weight instead of losing. You will probably lose more weight if you reduce your other meals.
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