B
Below is a table which shows the melting(液化)and boiling points of common substances.Study the table.Then do Numbers 4—7.
| Substance | Melting point(C) | Boiling Point(C) |
| Water Alcohol Nitrogen Oxygen | 0 –117 –210 -218 | 100 78 –196 –183 |
A.matter B.liquid C.solid D.gas
5.Which of the four should be a liquid at-90 degrees?
A.water B.alcohol C.nitrogen D.oxygen
6.Mixing alcohol and water is often used to wash windscreens of cars during the wintertime because _________.
A.it is easier for alcohol to change into gas
B.alcohol is not easily separated from water
C.alcohol freezes at lower temperature than water
D.the mixture is not expensive
7.In order to change water from a solid to a liquid energy must be _________.
A.removed B.added C.created D.destroyed
Hidden in our subconsciousness (潜意识) is a perfect mental picture. We see ourselves on a long trip that goes across the continent. We are traveling by train. Out the windows, we think in the passing scene of cars on nearby highways, of children waving at a crossing, of cattle feeding on a distant hillside, of smoke pouring from a power plant, or row upon row of corn and wheat, of flat lands and valleys, of mountains and rolling hills, of city skylines and village halls.
But uppermost in our minds is the final destination. On a certain day at a certain hour, we will pull into the station. Bands will be playing and flags waving. Once we get there, so many wonderful dreams will come true and the pieces of our lives will fit together like a completed jigsaw(拼图玩具) puzzle. How restlessly we pace the aisles(通道), condemning the minutes for loitering --waiting, waiting, waiting for the station.
“When we reach the station, that will be it!” we cry. “When I’m 38.” “When I buy a new 450SL Mercdes Benz!” “When I put the last kid through college.” “When I have paid off the!” “When I get a promotion.” “When I reach the age of retirement, I shall live happily ever after! ”
Sooner or later, we must realize there is no station, no one place to arrive at once and for all. The true joy of life is the trip. The station is only a dream. It constantly outdistances us.
“Relish(appreciate) the moment” is a good motto, actually it isn’t the burdens of today that drive man mad. It is the regret over yesterday and the fear of tomorrow. Regret and fear are twin thieves who rob us of today.
So stop pacing the aisles and counting the miles. Instead, climb more mountains, eat more ice cream, swim more rivers, watch more sunsets, laugh more and cry less. Life must be lived as we go along. Then the station will come soon enough.
【小题1】Why does the author describe the mental picture?
| A.To lead us into a perfect world. | B.To let people enjoy the scenery. |
| C.To introduce an actual trip of his. | D.To compare it to our life’s journey. |
| A.Puzzled. | B.Happy. | C.Relaxed. | D.Impatient. |
| A.Regret and fear are responsible for the loss of today. |
| B.We must be careful of the two thieves: regret and fear. |
| C.regret and fear stop us from enjoying our present life. |
| D.We’re frequently challenged by the two : regret and fear. |
| A.To teach us a good lesson. | B.To tell us the right attitude to life. |
| C.To advice us to forget our worries. | D.To stop us wandering along the aisles. |
This is time of year when we think about giving and receiving presents. Can you find a little extra to give? On this page we suggest a few organizations you might like to help.
Littleton Children’s Home
We don’t want your money, but children’s toys, books and clothes in good condition would be very welcome.
Also—we are looking for friendly families who would take our children into their homes for a few hours or days as guests. You have so much—will you share it?
Phone Sister Thomas on 55671.
Children’s Hospice
We look after a small number of very sick children. This important work needs skill and love. We cannot continue without gifts of money to pay for more nursing staff. We also need story books and toys suitable for quiet games.
Please contact The Secretary, Little Children’s Hospice, Newby Road.w.^w.k.s.5*u.c.#o@m
Street Food
In the winter weather, it’s no fun being homeless. It’s even worse if you’re hungry. We give hot food to at least fifty people every night. It’s hard work, but necessary. Can you come and help? If not, can you find a little money? We use a very old kitchen, and we urgently need some new saucepans. Money for new ones would be most welcome indeed.
Contact Street Food, c/o Mary’s House, Elming Way, Littleton. Phone 27713.
Littleton Youth Club
Have you got an unwanted chair?—a record player?—a pot of paint?
Because we can use them!
We want to get to work on our meeting room!
Please phone 66231 and we’ll be happy to collect anything you can give us.
Thank you!
The Night Shelter
We offer a warm bed for the night to anyone who has nowhere to go. We rent the former Commercial Hotel on Green Street. Although it is not expensive, we never seem to have quite enough money. Can you let us have a few pounds? Any amount, however small, will be such a help.
Send it to us at 15, Green St, Littleton. Please make check payable to Night Shelter.
【小题1】Reading the passage, you might like to help these organizations which work for
| A.homeless and sick children |
| B.less fortunate members of our society |
| C.hungry people who have no beds to sleep in |
| D.friendly members of our society to help others |
| A.Street Food | B.Night Shelter | C.Children’s Home | D.Children’s Hospice |
| A.there are too many social problems in this country |
| B.people are very poor during the time for giving presents |
| C.warm-hearted people like to give away money |
| D.this passage is taken from a local newspaper |
| A.Children’s Home and Children’s Hospice | B.Youth Club and Children’s Home |
| C.Children’s Hospice and Night Shelter | D.Youth Club and Night Shelter |
Think of some of your favorite singers. When you listen, they can make you happy or sad, peaceful or angry. They can make you relax or want to get up and dance. Gifted singers have the power to affect us in many ways—emotionally, physically and mentally.
But becoming a great singer isn’t as easy as listening to one. It takes practice, devotion and strong lungs! Just ask the well-known American opera(歌剧)star Carol Vaness.
At the Metropolitan Opera in New York City where she often sings, Carol’s voice must be loud enough to be heard by four thousand people. It must reach every person in the theater, without a microphone, even when she’s singing softly. The reason Carol can project her voice that far is the way she breathes.
“When you breathe, it’s like a swimmer taking a deep breath before going underwater,” Carol explains. “You have to take a lot of air into your lungs.”
According to Carol, the main difference between pop singing and opera is “how you breathe, how much air you take in, and how you control it coming out. Regular singing is more like speaking, and it’s lot softer. When I sing for children, they’re often surprised by how the vibrations strike their ears—like waves on a beach, ”Carol says. “In opera, the air doesn’t just go out of your mouth—it vibrates in your chest,the way a guitar vibrates when it’s played.”
Ever since she started piano lessons at the age of ten, Carol has loved music. As she got older, she decided to become a music teacher. When she went to college, she took singing lessons as part of her studies. Her voice teacher discovered that nineteen-year-old Carol had an exceptionally beautiful soprano voice-the highest singing voice for women.
Carol decided to make opera her goal, not only because she loved to sing but also because she loved the drama. Opera is a play in which the characters sing the words instead of speaking them. The stories of opera can be tragic or comical. They can be personal stories about two people falling in love or grand stories about kings and queens who lived long ago. As the characters in an opera sing, the emotions(情感)expressed by words and music come to life.
Today, Carol performs throughout the United States and Europe and she has song for almost twenty years. But she has never forgotten where she started singing in the first palace.
“Put your heart into your singing and enjoy it,” says Carol, “because singing is a great joy. That’s why I sing. In fact, that’s why everybody sings.”
【小题1】According to the passage, the Metropolitan Opera in New York City .
| A.is a five-story building | B.can seat 4,000 people |
| C.has no microphone in it | D.can project the singer’s voice |
| A.Opera Singing and Pop Singing | B.The Way an Opera Star Sings |
| C.An Opera Star | D.Singing without a Microphone |
| A.A pop singer’s lungs are usually stronger than those of an opera singer’s |
| B.Opera singing is more like speaking. |
| C.A pop singer takes in much more air than an opera singer when singing. |
| D.An opera singer breathes differently from a pop singer when singing. |
| A.Carol once learned to play the piano |
| B.Carol worked as a music teacher |
| C.Carol has been singing opera for 20 years or so |
| D.Carol is popular with Americans and Europeans |