Teeth are important. Strong , healthy teeth help you chew(咀嚼) foods that help you grow. They help you speak clearly. And yes ,they help you look best. Here are some tips for you to take care of you teeth:
1. Brush your teeth the right way.
Brush your teeth at least twice a day – after breakfast and before bedtime. If you can, brush after lunch or after sweet snacks, too. Brush all of your teeth, not just the front ones. Spend time brushing teeth along the sides and back of your mouth. Spend at least three minutes each time you brush. Play a song you like to help pass the time. Get a new toothbrush every three months. When you buy toothbrush, be sure it has soft bristles(鬃毛)．
2. Learn how to floss(用牙线剔牙) your teeth..
Flossing is a very important way to keep your teeth healthy. Food may hide between two teeth. Flossing can help get rid of it. You’ll need to floss your teeth at least once a day.
3. Have good eating habits.
You need to be careful about what you eat and drink. Eating sugar is a major cause of tooth decay(蛀牙). Eat lots of fruits and vegetables and drink water instead of soda（苏打）.What is the major cause of tooth decay? ______
| A．Not brushing teeth | B．Not changing toothbrush |
| C．Eating sugar | D．Not flossing teeth |
How often should we change our toothbrushes?
| A．never | B．three times a month |
| C．every three months | D．every month |
The bristles of the toothbrush must be______
| A．hard | B．soft | C．expensive | D．not mentioned |
Which is the right way to take care of teeth? ______
| A．Only brush front teeth. |
| B．Not brush teeth before sleeping. |
| C．Spend at most three minutes to brush teeth each time. |
| D．Eat lots of fruits and vegetables and drink water instead of soda. |
The following is the information about an accident.
| Time |
January 21, 2012 |
| Place |
Mount Hua, Shanxi |
| People |
A team of seven mountain climbers |
| Weather |
Heavy snow |
| Event |
Two climbers fell into the valley (山谷) |
| What happened |
Mr. Zhang hurt his left leg. Miss Wang was hurt in the head |
| Time of call for help |
2:30 p. m. |
| Name of the caller |
Mr. Chen, a member of the team |
| Action |
Firemen arrived there at 3:00 p. m. and took the wound (伤者) to the nearest hospital at 3:15 p. m. |
Maybe it was _______ when they were climbing the mountain.
| A．rainy | B．snowy | C．sunny | D．windy |
_______ took the wound to the hospital.
| A．Policemen | B．Visitors | C．Partners | D．Firemen |
The accident happened in the _______.
| A．morning | B．afternoon | C．evening | D．night |
_______ people were hurt in the accident.
| A．Two | B．Three | C．Four | D．Five |
Which of the following statements is NOT true?
| A．When they were climbing the mountain, two of them fell into the valley. |
| B．The firemen arrived half an hour later. |
| C．Mr. Zhang hurt his head. |
| D．The accident happened on Mount Hua, Shanxi. |
Almost everyone has dropped some food on the floor and still wanted to eat it. If someone saw you drop it, he or she might have shouted, “ 5-second rule!” This so–called rule says food is OK to eat if you pick it up in five seconds or less. But is that true?
Professor Anthony Hilton from Ashton University, UK, tested the rule with his students. They found that food dropped for five seconds is less likely to contain bacteria(细菌) than if it sits there for longer.
For the study, Hilton and his students tested a lot of foods——bread, pasta, cookies and candy—to see how much bacteria they had when they made contact with the floor. They allowed the food to lie on the different types of flooring—carpet(地毯), laminate (复合地板) and tile(瓷砖) — for three seconds to 30 seconds.
Not surprisingly, the longer the food was on the floor, the more bacteria it had. And the type of floor where the dropped food landed had an effect. Bacteria are least likely to transfer(转移) from carpet, while they are most likely to transfer laminate or tiled surface after more than five seconds.
The study also found that the wetter the food, the more likely it was to pick up bacteria. Although most people are happy to follow the 5-second rule, eating food dropped on the floor still carries an infection(感染) risk. “It very much depends on which bacteria are on the floor at the time.” Hilton told Forbes.
What is the “5-second rule’ mean?
| A．People often shout at someone when they drop food on the floor. |
| B．Food is safe when you pick it up off the floor in less than five seconds. |
| C．It’s better to eat dropped food when it’s been on the floor for over five seconds. |
| D．Food will go bad when dropped food on the floor in five seconds or less. |
Where is Ashton University?
A. In the USA. B. In England.
C. In China. D. In France.
Hilton’s test wanted to find out____________.
| A．if the “5-second rule” is true |
| B．the students’ favorite food |
| C．which food is easily dropped |
| D．if different types of floor have different bacteria |
According to the test, we learn the following EXCEPT ________.
| A．the dropped food had more bacteria if it sat on the floor for longer. |
| B．the dropped food on the carpet had the least bacteria. |
| C．bacteria was impossible to transfer from laminate or tiled surfaces. |
| D．the wetter food was likely to pick up bacteria. |
According to the article, the infection risk of the dropped does NOT depend on _____________.
| A．how long the food sits on the floor |
| B．what the dropped food is |
| C．what the bacteria are |
| D．what the weather is like that day |
One day a man found a cocoon(蚕) of a butterfly in the forest. He sat there for several hours and watched the butterfly. Suddenly, a small opening appeared and the butterfly made its great effort(努力) to force its body through that little hole. Then it seemed to stop making any progress. It appeared as if it had gotten as far as it could and it could go no further.（那个蛹好象忘记了它该怎样做, 也好象停止了挣扎）.
So the man decided to help the butterfly. He cut off the remaining bit of the cocoon so that the butterfly would come out easily. But to his surprise, the butterfly got a heavy body and very small wings when it came out of the cocoon.
The man continued to watch the butterfly because he expected that the body would grow smaller at any moment and the wings would become larger and be able to fly. But neither happened! In fact, the butterfly spent the rest of its life crawling(爬) around with a heavy body and small wings. It was never able to fly.
The man was in his kindness, but he didn’t understand the nature rules. Before the butterfly came out of the cocoon, fluid(液体) from its body must be forced into its wings, and then would be ready for flying. It must have a hard struggle(拼搏) to get through the small opening to get its freedom from the cocoon.
Sometimes struggles are exactly what we need in our life. If God allowed us to go through our life without any difficulties, it would make us fail. We would not be as strong as we could have been, we could never fly.What was the butterfly doing at the beginning of the story?
| A．It was trying to make a cocoon for it self. |
| B．It was crawling around quietly on the ground. |
| C．It was flying among the trees in the forest. |
| D．It was struggling to get out of its cocoon. |
The man cut off the remaining bit of the cocoon in order to __________.
| A．take the butterfly home |
| B．help the butterfly come out easily |
| C．kill the butterfly |
| D．stop the butterfly growing bigger |
What do you think of the man?
| A．Patient but cruel | B．Careful and wise |
| C．Kind but unwise | D．Brave and funny |
What does the last paragraph (段落) tell us?
| A．Struggles are sometimes necessary in our life. |
| B．Nothing is difficult if we put our heart into it. |
| C．Every good deed will come back with good result. |
| D．The greatest happiness in the world is to help others. |
What is the best title of the story?
| A．The Love for the Cocoon. |
| B．The Joy of Helping Each Other. |
| C．The Lesson of the Cocoon. |
| D．The Expectation (期待) for the Butterfly. |
In today’s class, I will teach you how to send birthday e-cards to friends anywhere in the world without leaving our classroom. I’ll show it to you on 123 Greetings, which is one of the most popular free-card websites.
Step 1 Connect your computer to the Internet and go to 123 Greetings. Click “Happy Birthday”. You will see hundreds of e-cards. Choose the card you’d like to send.
Step 2 Design your e-card. After clicking the card you want, you’ll see the “Design” menu. In it you can find many things you can change to suit your taste, such as the colors and music.
Step 3 Add your message in the message box. The message box provides space for you to type a message. Think of something special and type the message into the box.
Step 4 Enter your e-mail address. Then enter the e-mail address of the recipient. Choose whether you want to be notified (通知) when your birthday e-card has been read. You can also choose whether to send the card immediately or at a later time.
The writer is most probable a __________.
| A．scientist | B．teacher | C．doctor | D．farmer |
How many steps should you take to send a birthday e-cards to your friends?
| A．One . | B．Three. | C．Five. | D．Seven. |
123 Greetings is ______________________.
| A．a factory that makes e-cards. |
| B．a post office that sends birthday cards. |
| C．an e-card website that offers a free service. |
| D．a school that teaches how to make e-cards. |
If you want to change the music of your e-card, you need to ____________________.
| A．choose another e-card. |
| B．type your e-mail address into the box. |
| C．go to the “Design” menu |
| D．click “send”. |
The underlined word “recipient” means “_______________”.
| A．the person who will receive the e-card. |
| B．a person whose name isn’t known . |
| C．the person who is sending the e-card. |
| D．a person who works for 123 Greetings. . |
It was a cold night. The taxi driver didn’t take even one passenger all day. When he went by the railway station, he saw a young man coming out with two bags in his hands. So he drove to him and asked, “ where are you going ,sir?
“To the Red Hotel,” the young man answered. When the taxi driver heard this, he didn’t feel happy any more. The young man would give him only three dollars because the hotel was near the railway station. But suddenly, he had an idea. He took the young man through many streets of the big city.
After a long time, they arrived at the hotel. “Here we are! You should pay me fifteen dollars, please.” the taxi driver said to the young man. “What? Fifteen dollars! Do you think I’m a fool? Only last week, I took a taxi from the railway station to this hotel and I only gave the driver thirteen dollars. I know how much I have to pay for the trip.”The story probably happened _______.
| A．on a winter morning . | B．on a winter night. |
| C．on a rainy day. | D．on a rainy night . |
When the driver saw the young man coming out of the railway station, he was ______.
| A．happy | B．annoyed |
| C．disappointed | D．sad |
The driver was not happy any more because ___________.
| A．the young man didn’t want to take the taxi |
| B．the young man wouldn’t give him money |
| C．the young man was carrying two big bags |
| D．the hotel was near the railway station and the young man would give him only three dollars. |
Maybe the taxi driver got ________dollars at last.
| A．3 | B． 2 | C．13 | D．15 |
Which of the following is TRUE?
| A．The two taxi drivers were both honest. |
| B．The two taxi drivers cheated the young man. |
| C．It is very far from the railway station to the Red Hotel. |
| D．The young man knew how far it was from the railway station to the hotel. |
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