阅读理解。 Have you ever seen a horse with toes (脚趾)? Millions of years ago, horse
题型：同步题难度：来源：
four toes on each front foot. They had three toes on each back foot. The horses were smaller than cats.
These small horses lived in the forest. Their many toes helped the horses run over the soft wet ground.
It was very hot in the forest. But the weather changed. It became cold. Many trees couldn"t live in cold
weather. The trees died and fell. Open field took the place of (代替) forests. The sun made the ground dry
and hard (坚硬).
Horses began to change too. They began to get bigger. This took a long time. On the dry hard land,
horses needed only their middle toes for running. Their middle toes became hard. After a long time horses
had only one hard toe on each foot. We call this hard toe a hoof (马蹄).
B. front feet
C. right feet
B. smaller than
C. bigger than
B. When the weather changed, animals began to change too.
C. Cats were bigger in the past than they are today.
B. a horse needed more than four toes for running
C. horses needed only their middle toes for running
B. three toes
C. four toes
答案
举一反三
But some of them are not using it in a good way. Here are some rulers to make sure you are safe and have
fun on the Internet.
● Make rules for Internet use with your parents. For example, when you can go on line, for how long
and what activities you can go online.
● Don"t give your password (密码) to anyone else,and never give out the following informatin-your
real name,home address, age, school, phone number or other personal information.
● Check with your parents before giving out a credit card (信用卡) number.
● Never send a phone of yourself to soneone in e-mail unless your parents say it"s OK.
● Check with your parents before going into a chat room.Different chat rooms have different rules and
attract different kinds of people. You and your parents will want to make sure it"s a right place for you.
● Never agree to meet someone you meet on the Internet without your parents"permission. Never meet
anyone you met on line alone.
● Always remember that people online may not be who they say they are. Treat everyone online as
strangers.
● If something you see or read online makes you uncomfortable, leave the site. Tell a parent or teacher
right away.
● Treat other people as you"d like to be treated. Never use bad language.
● Remember-not everything you read on the Internet is true.
B. make rules for Internet use with parents
C. believe everything they read on the Internet
D. give out their personal information
B. get useful knowledge and information
C. give out a credit card number
D. go into a chat room as they"d like to
B. sending massages and e-mails
C. Leaving the site if you are feel unfortable
D. Treaing everyone online as stragers
B. relax in your free time
C. have a face-face meeting with anyone you met online
D. treat other people as you"d like to be treated
B. Surfing on the Internet
C. Information on the Internet
D. Internet Safety Rules
films any more. They take the films home! VCR (录像机), has made this possible, and it has helped change
people"s lives.
VCRs make it possible for us to watch films at home instead of the cinema. People can just go to a video
store near their house, rent one or more films for a day or a weekend, and watch them in their own houses.
They cost just a few dollars each day. Many different films are on videotape, from exciting films to
interesting plays.
Watching a film at home can be very easy, and a lot cheaper. VCR owners can make snacks and sit back
and enjoy a film with family and friends. They can stop the film to make more snacks, answer the phone, or
take care of the baby. There are no lines to stand in, no tikets to buy, and no uncomfortable cinema seats.
B. The computer
C. The VCR
D. The film
B. To buy videotapes
C. To borrow videotapes
D. To sell videotapes
B. Yes, it is.
C. No, it is.
D. I don"t know.
B. He prefers seeing films at the cinema.
C. Both A and B.
D. Neither A and B.
B. They can stop the film to make more snacks, answer the phone, or take care of the baby.
C. There are no lines to stand in, no tickets to buy, and no uncomfortable cinema seats.
D. All of the above.
drivers," Shanghai city officials (官员) said recently.
When a prototype (样品) of the six-seat car was shown to the public, it interested many people. "The
car will help visitors feel what high technology (科技) is and help them enjoy the tour of the World Expo
site," said a professor from Tongji University. The prototype, 4.5meters long, 1.7 meters wide, and 1.6
meters tall, runs along a white line. The car costs around 300,000 yuan to build and can reach a top speed
of 50 kilometers per hour.
According to the researchers, visitors will be able to drive the car anywhere in the World Expo site by
pressing a button. If they want to get off or stop the car, all they need to do is just to press the button again.
"People can rent one of these cars for a whole day or just take a ride in it from one place to another,"
the professor said. About 400 to 500 of these cars will be made for the Expo in 2010. The cars will have
radar (雷达) to help them get around. They will mainly use solar (太阳能) batteries (电池) and lithium (锂)
batteries. As they have no need of drivers and oil, these cars will help save energy and human labor, and
cause no pollution to the environment.
B. Five
C. six
D. Seven
B. runs along two white lines
C. costs about 30,000 yuan to build
D. can reach a top speed of 50 kph
B. ask other visitors to help them
C. driver the car out of the white line
D. press the button themselves
B. what is high technology?
C. Cool cars with no driver
D. Radar first used in cars
plants can make food from air, water and sunlight. Animals and men can"t make rood from air, water
and sunlight. Animals get their food by eating plants and other animals. Therefore, animals and men need
plants in order to live. This is the reason why we find so many plants around us.
If you look carefully at the plants around you, you will find that there are many kinds of plants. Some
plants are large while,others are small. Most plants are green.
Some plants have many small leaves. Others have only a few. There are many kinds of leaves.
Leaves are of different shapes and colors. Leaves are also different in other ways. Some leaves have
long thin parts at the end, we call them leaf stalks, some have short leaf stalks, others even have no leaf
stalks. The leaf edges are also different. Some leaves have smooth (平滑) edges. Some have a wave-shaped
edges. Others have edges like the teeth of a saw (锯子).
B. men can"t live without plants
C. we can see so many plants around us
D. animals eat plants as their only food
B. all leaves have smooth edges
C. plants are different in shapes but have the same color
D. leaves are different in shapes and colors
B. 叶纹
C. 叶柄
D. 叶尖
B. plants are important and they are quite different
C. plants are more important than air, water and sunlight
D. why we find so many plants around us
In the past, when students graduated (毕业) from college and got jobs, only some of them went on with
their study. But today, lifelong learning is becoming more and more common (常见的).
Lucy, who is forty, teaches physics at a college in Boston. "Next term, I"ll teach some of classes by using
the Internet. This is the way of teaching that I"ve never used before," says Lucy. "These days, I am taking a
class to learn how to teach in this way, If not, I will lose my job." At the same time, Lucy"s seventy-year-old
parents, who live in New York, are taking an art history class online. "We love this subject," says her father,
"and we learn it to enjoy ourselves. You see we can study with people all over the world. What fun it is to
learn like this!"