Last year, the Snake Catchers removed more than seventy snakes from houses in North Carolina.
30. The Snake Catchers catch snakes because ______.
A. they want to kill the snakes B. they like trying to catch snakes
C. they don’t want people to hurt snakes D. they like eating snakes
31. When a man asked them to kill a python, the Snake Catchers ______.
A.made some boots from the skin B. were very happy
C. gave him some old boots D. did not agree
32. The Snake Catchers set most of the snakes free ______.
A. in a national park B. in a university
C. in a garden D. in their own houses
33. According to Fred, ______.
A. s nakes are very dangerous B. people should attack snakes
C. snakes are not usually dangerous D. people should run away if they see a snake
C
In 1901, the citizens of Colorado Springs in the USA decided to collect everyday items and to seal (封住)them in a special box. The box was marked “To be opened after midnight, December 31st, AD 2000”，and was kept in the Colorado College Library.
One hundred years later, on the appointed (约定)day, 300 people gathered to watch the opening of the box. Many in the crowd were the descendants (后代)of people who had placed things inside the box.
When the box was opened after midnight, the things inside the box were in very good condition. There were newspapers, photos, diaries, name cards, family trees, books and lots of letters, including one written by Theodore Roosevelt, who became the President of the USA later that year. One of Roosevelt’s friends lived in Colorado Springs at that time.
Many of the letters were written to their descendants. They describe the hopes that the people of 1901 had for the people of the next century. At that time, Colorado Springs had just a few thousand people. Now nearly half a million people live there.
Colorado College Library has scanned the materials and put them on a website. Cecil Muller, whose grandfather had placed a collection of postcards in the box, said that the time capsule was a great treasure. “This is a wonderful educational resource(资源). We can learn so much about our history,”he said. “I never knew my grandfather, but now I feel very close to him. ”
34. According to the passage, “time capsule” means ______.
A. a collection of clocks and wat ches
B. a machine for travelling through time
C. a collection of items for people to look at in the future
D. a collection of unwanted items
35. Many of the letters in the time capsule talked about .
A. the history of the town B. the people who lived in the town
C. the politics of the USA D. people’s hopes for the future
36. Cecil Muller says that the time capsule ______.
A.helps him to get to know his grandfather
B. is worth a lot of money
C. brings back his memories of his grandfather
D. helps him to remember his younger day[
D
TOKYO, JAPAN--What do you do when you see a cockroach (蟑螂)? Do you hit it w ith a newspaper? Do you step on it?
When researchers at Tokyo University see a cockroach, they take the remote control and make the cockroach turn around, run left or right, or go forward. These scientists are changing the cockroaches into robots. Each cockroach has a very small pack that has in it a microprocessor(微处理器).Then researchers can send signals from the remote control to the pack. The signals control the movements of the cockroaches.
Why does anyone want to control a cockroach? “Insects can do many things that people can’t,” says Isao Shimoyama, head of robot research at Tokyo University. In a few years, he says, these robot insects will carry very small cameras. They will be able to move through earthquake rubble(瓦砾)to look for people or move under doors to find information about someone.
This may seem strange, but the Japanese government thinks the research is very important. The government is giving the scientists $ 5 million for this research.
First, the researchers breed (培育)hundreds of cockroaches. They use only the American cockroach because it is bigger and stronger than other cockroaches. Then they choose the best cockroaches and remove their wings and antennae(触须). They put small packs where the antennae were. The packs weigh about three grams, or about two times the weight of the cockroaches themselves. “Cockroaches are very strong,” says Ralph Holzer, who is a researcher at Tokyo University. “They can lift 20 times their own weight. ”
With a remote control, the scientists send signals to the packs. When a cockroach gets the signal, it moves. The problem is that the cockroaches don71 alw ays move in the right direction.
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