| A. medical B. addresses C. difficult D. facing E. burning |
In Kansas City, Missouri, a computer helps fire-fighters. The computer keeps information about every one of the 350,000 street
| A. themselves B. care C. relax D. record E.cure |
With this information, the fire fighters can take special
The Kansas City computer system also keeps a medical
The fire-fighters
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Saharan silver ants (银蚁) are the world’s fastest ants. Unlike other living things in the
Scientists from Germany
The silver ants have six legs. They move in a special way so that they won’t die. When they move, the ants use the front and back legs on one side and the middle on the
How
| A. but B. surprise C. used D. them E. older F. habit G. from |
For people who love reading, there’s nothing better than the smell of an old book. But what makes old books smell the way they do? The paper, ink and glue that are
But why do people like the smell so much? Because they think the smell of old books is similar to the smell of chocolate. Scientists created an “old book smell” using fibers (纤维)
Lignin might give books their sweet smell, but it also makes the pages yellow, and books today use paper with less lignin. This might let
Just ignore (忽视) what books are made from. Let’s do as an old saying goes, “Book smell enriches the soul, reading enriches life”.
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Traditional Chinese Clothes Types
Each country in the world has its own traditional clothes. The Hanfu, qipao（cheongsam）, Tang suit, and Zhongshan suit（Mao suit）are the
Hanfu
The Hanfu is the
Qipao
The qipao came from the women’s changpao（long gown）of the Qing Dynasty. The Manchu people were also
Tang Suit
The Tang suit often refers to a type of Chinese jacket rather than the clothing of the Tang Dynasty. This name came from the overseas Chinese. As the Tang Dynasty was famous and powerful in the world,
Zhongshan Suit
The Zhongshan suit, also
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Engineers in the US have created a group of robots. They are
“When ants collect or transport objects, if one meets an obstacle, the group will work
Ozkan-Aydin and
Ozkan-Aydin hopes this
| with thin arms and legs all the physical work focused on less active health education |
Have you seen the cartoon film WallE (《机器人总动员》)? It shows that humans will slowly develop into big fat balls in 700 years’ time. They will not even need to stand up. Robots are used to deal with
Today’s young generation lead a much
Looking on the bright side, governments and schools are taking action to improve
| they article silence change look |
Technology is developing so fast. In fact, it has
Remember books? In the old days before computers, to get information, people read books and newspapers. Students spent hours in the library,
