Ants in Space Many people will remember the flight of the space shuttle(航天飞机) Challenger,in June, 1993. The achievement of Sally Ride,America's first woman astronaut to fly into space, made this flight especi...Ants in Space Many people will remember the flight of the space shuttle(航天飞机) Challenger,in June, 1993. The achievement of Sally Ride,America's first woman astronaut to fly into space, made this flight especially memorable.Students from two high schools in Camden,New Jersey, however, are likely to rememeber Norma rather than Sally whenever they think about the flight.展开更多
After almost 30 years of arguing that a black hole swallows up everything that falls into it, British astrophysicist(天体物理学家) Stephen Hawking moved backward last week.
In 1608 an Englishman named Thomas Coryate visited Italy. He liked the country and wrote down every interesting thing he found. But there wasfound more interesting one thing which he than the others. In his diary Thom...In 1608 an Englishman named Thomas Coryate visited Italy. He liked the country and wrote down every interesting thing he found. But there wasfound more interesting one thing which he than the others. In his diary Thomas wrote, “When the Italians eatmeat, they use small forks. They do not eat with their hands because, as they say, people do not always have clean hands.”展开更多
Notes and Alarm Clocks
Some people remember things by writing notes to themselves.Then they leave the notes in obvious(明显的)places,such as on the table or on the floor in the middle of the living room.
Bottle Letters.Some people don't need a mailbox to send a message. They use a bottle instead. Here are two stories about people who sent a message in a bottle. Both stories are true.
Can Cell Phones Kill? Let's say that you are standing on the 102nd floor of the Empire State Building in New York City. In your hand you are holding a precious Ming Dynasty vase. As part of an experiment, you let ...Can Cell Phones Kill? Let's say that you are standing on the 102nd floor of the Empire State Building in New York City. In your hand you are holding a precious Ming Dynasty vase. As part of an experiment, you let the vase slip from your hand.展开更多
Saving Paper In the 13th century, the famous Italian traveler, Marco Polo, traveled a long way to China. During his stay in China, he saw many wonderful things. One of the thing she discovered was that the Chinese us...Saving Paper In the 13th century, the famous Italian traveler, Marco Polo, traveled a long way to China. During his stay in China, he saw many wonderful things. One of the thing she discovered was that the Chinese used paper money. In Western countries, people did not use paper money until the 15th century. However, people in China began to use paper money in the 7th century.展开更多
文摘Ants in Space Many people will remember the flight of the space shuttle(航天飞机) Challenger,in June, 1993. The achievement of Sally Ride,America's first woman astronaut to fly into space, made this flight especially memorable.Students from two high schools in Camden,New Jersey, however, are likely to rememeber Norma rather than Sally whenever they think about the flight.
文摘After almost 30 years of arguing that a black hole swallows up everything that falls into it, British astrophysicist(天体物理学家) Stephen Hawking moved backward last week.
文摘In 1608 an Englishman named Thomas Coryate visited Italy. He liked the country and wrote down every interesting thing he found. But there wasfound more interesting one thing which he than the others. In his diary Thomas wrote, “When the Italians eatmeat, they use small forks. They do not eat with their hands because, as they say, people do not always have clean hands.”
文摘Notes and Alarm Clocks
Some people remember things by writing notes to themselves.Then they leave the notes in obvious(明显的)places,such as on the table or on the floor in the middle of the living room.
文摘Bottle Letters.Some people don't need a mailbox to send a message. They use a bottle instead. Here are two stories about people who sent a message in a bottle. Both stories are true.
文摘Can Cell Phones Kill? Let's say that you are standing on the 102nd floor of the Empire State Building in New York City. In your hand you are holding a precious Ming Dynasty vase. As part of an experiment, you let the vase slip from your hand.
文摘Saving Paper In the 13th century, the famous Italian traveler, Marco Polo, traveled a long way to China. During his stay in China, he saw many wonderful things. One of the thing she discovered was that the Chinese used paper money. In Western countries, people did not use paper money until the 15th century. However, people in China began to use paper money in the 7th century.
