Scientists at the California Institute of Technology (Caltech) have reported evidence that Mars was warmer and wetter long ago than it is today. The Caltech scientists say they have directly established the temperature of Mars four billion years ago. At least, they established the surface temperature on part of the planet at that time. The researchers say it is the first such evidence to be discovered and presented.
The Caltech scientists say carbonate（碳酸盐）minerals formed on Mars at about eighteen degrees Celsius. They reached the finding after studying a meteorite（陨石）that had its beginnings near the Martian surface.
Today, the average temperature on Mars is sixty-three degrees below zero Celsius.
The finding was reported on the website of the National Academy of Sciences. Caltech Assistant Professor Woody Fischer helped to prepare the report. He says eighteen degrees Celsius is not especially cold or hot. He says this makes the finding extremely interesting. Knowing the temperature can give scientists an idea of the climate on Mars long ago. It can also help them decide whether the planet had liquid water. Spacecraft orbiting Mars have shown what appear to be rivers, lakebeds and mineral deposits. These pictures suggest that, at one time, water did flow there. Mars Rover vehicles and other spacecraft have proved the information.
The meteorite the scientists examined is one of the oldest known rocks in the world. It is called the Allan Hills meteorite. Its name came from the place in Antarctica where it was found in 1984. The meteorite is believed to have blown loose from the Mars' surface when another space rock struck its "home."The underlined word “establish” in Paragraph 1 probably means “___________”.
| A．to set up |
| B．to make people accept a belief |
| C．to discover or prove |
| D．to start having a relationship with others |
How did the scientists reach the finding?
| A．By studying Allan Hills meteorite. |
| B．By using spacecraft orbiting Mars. |
| C．By studying minerals gathered on Mars. |
| D．By studying a meteorite on the Martian surface. |
According to the fourth paragraph, what have spacecraft orbiting Mars done?
| A．Measuring the temperature of Mars. |
| B．Taking photos of the surface of Mars. |
| C．Finding that there is water flowing on Mars. |
| D．Proving where human beings will probably land on Mars. |
Where can we most probably read this passage?
| A．In a biography of scientists. | B．In a geography magazine. |
| C．In an environment report. | D．In a science report. |
根据短文内容，从下面A—F 选项中选出能概括每一段主题的最佳选项。选项中有一项为多余项。
A．Different ways of making friends over the Internet
B．Forming a regular “chat”community
C．The changes the Internet has brought to our life
D．Meeting Internet friends face to face
E. Extension（延伸） of friends over the Internet
F. Maintenance（维持） of friendship by keeping contact 1 .We live in the information age,which is changing many of the ways in our daily life. One of the most interesting developments of the information age is the Internet, which is a vast network of computers that link people ,businesses and communities around the world.
2. How do we make friends using the Internet? One way is to search for websites that have topics that interest us. For example , you might be interested in football. Then you search for a site run by a popular football club.there are hundreds of football sites, and most of them have a special website for their fans . The same is true of popular culture ,and many popular music bands have websites . Once you have located the right football club or pop group , then you will see where to click in order to “chat” with other fans. The word “chat”has got popular because of the Internet, which means a light conversation among friends . Another way to make friends is to access sites that are devoted to this purpose . When you search the Internet for these sites you will find that there are plenty of opportunities to meet people of all ages and from many different backgrounds.
3. Making a new friend is only the first step. The key to a successful relationship over the Internet is to keep in touch with your friend . When the relationship works in this way .it is very rewarding for both parters .You can set the style and pace of the exchange to suit each other .If you use “instant messenger” systems,your chat becomes a dialogue,which is a lot of fun and can help strengthen the growing friendship.
4. You will soon find that the topics go far beyond a discussion of football or music,even though these topics brought you both together . Another way to strengthen the friendship is to include your school friends in your conversations too , and then you can form your own “chat”group that meets regularly and becomes a small community of friends.
5. It’s like belonging to a club.Your club can extend to many new and old friends. And their conversations will enrich your life in ways that you could have never imagined .If your Internet club grows then perhaps you will find ways to meet your friends face to face, which will be another story.
French lessons in France
Whatever your level is, choosing to take French lessons in France is the best way to learn French. Place yourself in the local culture and practice your newly found skills in your free time.
You will be taught by native (本地的) French speakers who have a love for teaching and use excellent teaching techniques. Lessons are interesting and you will speak French on the first day both inside and outside the classroom.
Learners
● Suitable for all levels from beginners to advanced (高级的)
● Over 18 years old
Class Schedule (课表)
● Classes start on Mondays and run throughout the summer.
● Please arrive at the school by 8:15 am on your first day for a short level test. It will help to place you in the right class.
● Classes run from Monday to Friday each week.
● Classes start at 8:45 am each day depending on your level.
● You will have 3 classes per day lasting 55 minutes each.
● You will have a short break between classes.
Free Time and Tours
● The school offers a lot of cultural activities throughout the week. These activities can include cooking lessons, wine and cheese tasting, visits to Paris, cycling, movies and much more.
● You will have plenty of free time to explore (探索) the local area and practice your newly found language skills or just relax on this learning holiday with a difference.
Other Information
● You should bring a small dictionary, pens and paper with you.
Get more from your holiday, have fun, meet new people and take home a new language skill that will stay with you forever.What is special about the French courses?
| A．They are taught in small groups. |
| B．The teachers are young French speakers. |
| C．People learn French in and out of class. |
| D．They will offer a wine tasting license. |
On the first day, the students should ______.
| A．take a language test | B．pay for their study |
| C．do a survey | D．introduce themselves to the class |
How many lessons are there in a week?
| A．21. | B．30. | C．15. | D．12. |
We can learn from the text that the course ______.
| A．is not suitable for teenagers | B．offers cooking classes as well |
| C．provides dictionaries for students | D．has a short game between classes |
Many teenagers feel that the most important people in their lives are their friends. They believe that their family members, especially their parents, don’t know them as well their friends do. In large families, it is often for brothers and sisters to fight with each other and then they can only go to their friends for advice. It is very important for teenagers to have one good friend or many friends. Even when they are not with their friends, they usually spend a lot of time talking among themselves on the phone. This communication is very important in children’s growing up, because friends can discuss something difficult to say to their family members.
However, parents often try to choose their children’s friends for them. Some parents may even stop their children from meeting their good friends. The question of “choice” is an interesting one. Have you ever thought of the following questions?
Who choose your friends?
Do you choose your friends or your friends choose you?
Have you got a good friend your parents don’t like?When teenagers stay alone, the usual way of communication is to _________.
| A．go to their friends | B．talk with their parents |
| C．have a discussion with their family | D．talk with their friends on the phone |
Which of the following is DIFFERENT in meaning from the sentence “Some parents may even stop their children from meeting their good friends.”?
| A．Some parents may even not allow their children to meet their good friends. |
| B．Some parents may even ask their children to stay away from their good friends. |
| C．Some parents may even not let their children meet their good friends. |
| D．Some parents may want their children to stop to meet their good friends. |
Which of the following sentences is TRUE?
| A．Parents should like everything their children enjoy. |
| B．In all families, children can choose everything they like. |
| C．Parents should try their best to understand their children better. |
| D．Teenagers can only go to their friends for help. |
The main idea of this passage is that ___________.
| A．Teenagers need friends |
| B．Friends can give good advice |
| C．Parents often choose their children’s friends for them |
| D．Good friends can communicate with each other |
About fifty years ago, when television first came out, people thought that radio was no longer useful. Television has both sounds and images（影像）. It is much more real and interesting to watch television than to listen to the radio.
However, fifty years later radio is still very popular and it will be here for a long time. One reason is that we don’t need to see an image when we listen to the music on the radio. In fact, listening with your eyes closed is the best way to listen to a piece of music. You can imagine yourself on a sandy beach or up high on a mountain. In other words, you can create your own images. Moreover, while listening to the radio, you don’t have to take your eyes off your work. For example, you can listen to the radio and drive at the same time. Or you can read a book and listen to the radio. Television, on the other hand, doesn’t have this advantage.
A radio is much smaller than a television. You can take a radio anywhere and turn it on anytime you want. In a quiet place you can use headphones to listen to the news or music on the radio. In this way you won’t disturb anybody.
Moreover, a radio is much cheaper than a television. For less than $ 20 you can buy a small radio and have fun with it.What is the passage mainly about?
| A．Music. | B．Radio. | C．Sound. | D．Television. |
People like to watch TV because _______.
| A．it has headphones to listen to the news |
| B．they can drive while watching TV |
| C．it has both sounds and images |
| D．they can watch with their ears |
We learn from the passage that _______.
| A．people can take a radio anywhere and turn it on anytime |
| B．television came out 50 years ago and it is useless now |
| C．a radio is more expensive than a television |
| D．people can use headphones to read books |
Homeboy Goes to Harvard University
On January 11, 2007, as students sat and listened, a very important guest speaker named Richard, spoke to the students in the lecture hall. He not only showed the potential（潜能）within young adults, but encouraged them to work hard at their lessons.
Richard was a young child when his mother died and his father walked out. He was forced into many different foster homes（寄养家庭）where he felt unhappy. He did not know that his life was taking a turn for the worst.
His uncle, after getting out of prison, got him into drugs and alcohol. His uncle taught him that his place in life was either to be in prison or die trying to be “a man.” His uncle’s teaching almost started affecting him until a very important person came into his life: a teacher. This teacher taught him there is a place in the world for everyone and it isn’t related to drugs.
Richard is now a Harvard University graduate and has a great and loving family. Why? He was taught to have respect not only for others, but for himself.
After the meeting, it was hoped that the students realized within them there is a potential, and within everyone around them, is knowledge. As Richard reminded them, “Knowledge is power.”On January 11, 2007, students listened to a speech made by Richard, who graduated from ________.
| A．Harvard University | B．a foster school |
| C．his teacher’s school | D．his uncle’s university |
Richard encouraged the students ______.
| A．to love life | B．to be a man | C．to study hard | D．to leave drugs |
When he was young, Richard lived a（an）_______ life in foster homes.
| A．rich | B．unhappy | C．relaxing | D．interesting |
Who played an important role in Richard’s successful life?
| A．His uncle. | B．His teacher. | C．His friends. | D．His parents. |