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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 colored 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 level easily.
     5     
As the temperature goes down, the water will contract, and the level in the straw will come down. Perhaps you will want to keep a record of the water level 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 100 degrees.
F.      Take wax ( you may use an old candle if you have one ) and melt some of it right where the straw is stuck into the cap to seal them together. 
G.      People use thermometers which are made by themselves when travelling around the world.

Breathe, wave and smile.Along with more than 300 other seniors, I marched into the stadium on the afternoon of May 10. The audience burst into deafening cheers. The huge stadium shook with all the whistling and clapping.
It was as if a Hollywood superstar had walked on stage. And indeed, every single senior that day was a star of the moment. Each deserved it. The seniors had been preparing for four years for this once-in-a-lifetime moment—the commencement(graduation ceremony).
Seated, I waited anxiously for the opening address. As a foreign exchange student, I was not able to receive a diploma. However, I still had the wonderful feeling of being part of things. Like the other graduates, I was dressed in marron cap and gown.
Our principal, Mr Glover, delivered a short, warm greeting. The US national anthem followed and then, hands on chests, a solemn Pledge of Allegiance(美国的爱国誓言).
Students who had excelled academically gave farewell speeches. The tears in some eyes convinced me that many had deep feelings about the occasion. It was as the class motto says, “Life brings us tears, smiles and memories. The tears dry; the smiles fade; but the memories last forever.”
Then came the core(the most important part) of the commencement. Hundreds of names were announced. Each graduate walked across the stage to receive his or her diploma from the principal. From the different cheers each graduate got, we had the funny sense that it was a kind of competition of who could cheer the loudest.
To be honest, the presentation of diplomas got boring. A girl sitting next to me even started yawning. But it wasn’t boring for those receiving the diploma: they would treasure the moment the principal placed the sacred brown document in their hands for the rest of their lives.
A new page in the book of that person’s life had turned. They were glimpsing their futures: futures of challenge, hardship, perhaps loneliness too, which would take all of their courage.
1. What’s the article mainly about?
A.An American high school’s graduation ceremony.
B.The opening ceremony of a sports meeting.
C.A presentation of college diplomas.
D.A US college’s farewell party.
2. Which of the following statements about the author is FALSE?
A. She was one of the graduates.
B. She was a foreign exchange student.
C. She was excited to receive her diploma.
D. She felt it great to be at the ceremony
3. The right order of the following events is______.
a.Diplomas were presented to graduates.   b.Students gave farewell speeches.
c.The US national anthem was played.     d.The principal gave a short, warm speech.
e.Seniors went into the stadium.
A. b,c,a,d,e       B. c,d,b,e,a         C. d,b,e,a,c         D. e,d,c,b,a
4.From the text, we can conclude that_______.
A.a diploma ensures a good job
B.a diploma guarantees a bright future
C.the commencement symbolizes the beginning of a new stage in life
D.everyone felt excited at the presentation of the diploma
5. According to the passage, which of the following statement is true?
A. Hollywood superstars went to attend the commencement.
B. Every single senior became a superstar on the commencement day.
C. All graduates would treasure the diploma for the rest of their lives.
D. When each graduate got his or her diploma, there were loud cheers.

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.

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.

   Breathe, wave and smile. Along with more than 300 other seniors, I marched into the stadium on the afternoon of May 10. The audience burst into deafening cheers. The huge stadium shook with all the whistling and clapping.

It was as if a Hollywood superstar had walked on stage. And indeed, every single senior that day was a star of the moment. Each deserved it. The seniors had been preparing for four years for this once-in-a-lifetime moment—the commencement (graduation ceremony).

Seated, I waited anxiously for the opening address. As a foreign exchange student, I was not able to receive a diploma. However, I still had the wonderful feeling of being part of things. Like the other graduates, I was dressed in marron cap and gown.

Our principal, Mr. Glover, delivered a short, warm greeting. The US national anthem followed and then, hands on chests, a solemn Pledge of Allegiance(美国的爱国誓言).

Students who had excelled academically gave farewell speeches. The tears in some eyes convinced me that many had deep feelings about the occasion. It was as the class motto says, “Life brings us tears, smiles and memories. The tears dry; the smiles fade; but the memories last forever.”

Then came the core (the most important part) of the commencement. Hundreds of names were announced. Each graduate walked across the stage to receive his or her diploma from the principal. From the different cheers each graduate got, we had the funny sense that it was a kind of competition of who could cheer the loudest.

To be honest, the presentation of diplomas got boring. A girl sitting next to me even started yawning. But it wasn’t boring for those receiving the diploma: they would treasure the moment the principal placed the sacred brown document in their hands for the rest of their lives.

A new page in the book of that person’s life had turned. They were glimpsing their futures: futures of challenge, hardship, perhaps loneliness too, which would take all of their courage.

What’s the article mainly about?

A. An American high school’s graduation ceremony.

B. The opening ceremony of a sports meeting.

C. A presentation of college diplomas.                     

D. A US college’s farewell party.

Which of the following statements about the author is FALSE?

A. She was one of the graduates.                               B. She was a foreign exchange student.

C. She was excited to receive her diploma.              D. She felt it great to be at the ceremony.

The right order of the following events is______.

a. Diplomas were presented to graduates.     b. Students gave farewell speeches.

c. The US national anthem was played.      d. The principal gave a short, warm speech.

e. Seniors went into the stadium.

A. b,c,a,d,e       B. c,d,b,e,a         C. d,b,e,a,c         D. e,d,c,b,a

From the text, we can conclude that_______.

A. a diploma ensures a good job                       

B. a diploma guarantees a bright future

C. the commencement symbolizes the beginning of a new stage in life

D. everyone felt excited at the presentation of the diploma

According to the passage, which of the following statement is true?

A. Hollywood superstars went to attend the commencement.

B. Every single senior became a superstar on the commencement day.

C. All graduates would treasure the diploma for the rest of their lives.

D. When each graduate got his or her diploma, there were loud cheers.

Beat the Burglar

Don’t invite crime---take basic, sensible precautions. Your house and possession are valuable and must be properly protected. When you buy a lock, you buy time. The best prevention is delay and noise which could mean discovery. 

When you leave it---lock it!

First of all, fit security locks to all doors and windows and a safety chain on the front door. Secondly, use them!

If you have any ladders or tools, don’t leave them lying about in the garden, lock them away.

“Safe” or “secret” places for keys and valuables are not reliable --- nine times out of ten, they are the first place a thief will look.                                         When you move house…

When you move into a new home even if it is fitted with security locks, change them. You don’t know who else may have keys.

Never let strangers into your house. An official-looking cap is not enough, ask for proof of identity and look at it carefully --- if you are still not satisfied, don’t let the person in.

Valuables need special protection

Valuables should really be given special protection --- preferably by leaving them with your bank. A small security safe works too, but not to the most determined burglar. It is also important to keep an up-to-date list of valuables and their descriptions. In the case of fine art, paintings, or jewelry, color photographs can sometimes be of assistance to the police if you are unfortunate enough to have them stolen. Enter the details on the back of the pictures. But don’t keep such documents in your house, keep them at the bank or with your insurance company.                                 Going on holiday?

Don’t talk about your holidays and future plans loudly in public. Do remember to cancel the milk and newspapers and also to draw curtains back.

Operate a “Good Neighbor” program to ensure that mail is taken in, the house is checked regularly and that lights are put on.

Call at your local police station and tell them you are going away. Make sure that they know how to contact you in case of trouble.

Don’t leave cash or valuables in the house --- take them with you or put them in the bank.

1.When moving into a new house, you are supposed to __________.

A．buy a safe                             B．change the locks

C．visit your neighbors                      D．stay away from strangers

2.Which is the safest way to protect your valuables?

A．Taking pictures of your valuables.

B．Putting your valuables in your safe.

C．Keeping your valuables at the bank.

D．Giving a list of your valuables to the police.

3.When you are away for holidays, you __________.

A．should cancel your mail

B．shouldn’t leave your keys to your neighbors

C．shouldn’t make it known that your home is empty

D．should ask the police to check your house regularly

4.What is the purpose of the passage?

A．To inform people of safety standards.

B．To introduce the advantages of banks.

C．To prove the importance of security locks.

D．To educate people on prevention of burglars.