A 63-year-old Chinese grandpa’s
The Chinese master carpenter, Wang Dewen, well known as “Granpa Amu” on YouTube, has been called as the modern Lu Ban,
Grandpa Amu follows an ancient Chinese mortise and tenon (榫卯) technique, which
Grandpa Amu has also made several wooden toys for his grandson
Among all the
So far, the master carpenter
2 . The surface of Venus（金星）has never seemed very hospitable. Temperatures change around 470°C（900°F）, the result of a runway greenhouse effect，and the pressure of its atmosphere, thick with carbon dioxide and sulfuric acid, is some 90 times that of Earth’s. Lead（铅）would flow like water on Venus, and water cannot have existed in liquid form for perhaps a billion years.
Now NASA’S Magellan spacecraft seems to have found one more horror in the nasty landscape: active volcanoes. Last week the space agency released the first detailed map of Venus and the most dramatic images ever made of its surface. The picture offer the best evidence to date that a planet once assumed dead is actually a lively pot of geological change.
The most amazing image is of Venus’s second tallest mountain, Maat Mons, which rises 8km（5 miles） . Most of the planet’s many peaks, including 9.5-km-（6-mile-） high Maxwell Montes, look bright in the radar pictures Magellan takes from its orbit above the permanent could cover. That means they are strong reflectors of radar waves. But Maat Mons is dark; like the Stealth bomber, it absorbs much of the radar falling on it.
This interesting fact, say project scientists, is a strong hint that the mountains has recently been covered with lava（^§S）. Rock that sits on the surface of mountaintops appears to weather quickly in the hot，chemically reactive atmosphere, creating a soil that is rich in iron sulfide（硫 化铁）• It is this mineral, the scientists believe, that can easily be seen on radar. If Maat Mons doesn’t have any, it has probably been resurfaced, perhaps within the past few years.
Such resurfacing has undoubtedly taken place in Venus lowlands: earlier images of the planet showed vast areas that are remarkably free of craters（火山坑）.That would be easy to explain on a Planet like Earth, where cratering from meteor strikes is erased by steady erosion. But while there is some evidence of wind erosion on Venus, the best explanation for the lack of cratering is periodic lava flow. Magellan has found direct evidence of such flows, including domelike upwellings and hardened streamed of rock trailing down the sides of Venusian peaks. There are also signs of other geologic activities, including dramatic faulting and several distinct incidents of mountain building. But the evidence can’t indicate whether they really occurred millions of years ago. The case for active Venusian volcanoes is not yet proved, but Magellan, which is now well into its second complete survey of the planet’s surface, may eventually settle the issue.
1. Which of the following can not be possibly found on Venus now?| A．Carbon dioxide | B．Sulfuric acid |
| C．Liquid water | D．Active volcanoes |
| A．geological change | B．iron sulfide |
| C．mountain mineral | D．lava flow |
| A．The resurfacing has changed the images of the vast areas in Venus lowlands. |
| B．The wind erosion on Venus is caused by periodic lava flows |
| C．Streams of rock trailing down the side of Venusian peaks can be seen on Earth |
| D．Other geologic activities have caused dramatic and unbelievable climate phenomena. |
| A．NASA’S Magallan spacecraft fails to stand the environment of Venus. |
| B．There is clear and confirmed evidence for the active Venusian volcanoes on Venus. |
| C．Some evidence of periodic lava flows has been found by NASA astronauts. |
| D．Magellan will conduct a follow-up complete survey of the Venus，surface. |
3 . Nov. 21 is World Hello Day. It began back in the 1970s as part of an effort to make the world more peaceful. It was created by the United Nations just after the war between Israel and Egypt in 1973. The philosophy (理念) behind it is: Say “Hello” and stop war.
It sounds like a fine idea, but most of us know that simply saying “Hello” won’t bring about world peace. Still, on a smaller range, the simple act of saying hello to someone can make a lot of difference.
This might not be obvious. After all, it’s such a casual thing and requires so little effort. You raise your head to someone as you pass by them in the school corridor (走廊), say “Hello’ then it’s over.
Although we might not realize it, a small thing like a greeting can mean a lot to a person. Many people are lonely because they’re shy. They find it difficult to communicate with people, even though they want lo. It leads to them feeling cut off.
On this basis, maybe it’s a good idea, not just on Nov. 21, but every day, to remember to say “Hello” to as many people as we can. The stranger who hears your greeting may secretly smile in their heart. You might even make their day.
Greeting other people is the easiest way to be polite. Politeness is the way we individual humans link up with the rest of the human world outside of our circles of family and friends. Politeness is one of the aspects of culture that make us a society rather than just many individuals living in the same space.
No one said it better than the French author Joseph Joubert: “Politeness is the flower of humanity’’. A “Hello” to a stranger is a small thing, and often neglected (忽视), but through it we can make the world better for another person.
1. What is World Hello Day intended for?| A．Philosophy. | B．Peace. |
| C．Politeness. | D．War. |
| A．Raising heads to others. |
| B．Doing something casually. |
| C．Meeting in the school corridor, |
| D．The simple act of saying hello. |
| A．They are unwilling to communicate with others. |
| B．They are too shy to communicate with others. |
| C．They are very fond of living alone. |
| D．They don’t like doing things as others do. |
| A．We should neglect a small thing. |
| B．Saying hello lo others is powerful. |
| C．The flowers make the world better. |
| D．No one is better than Joseph Joubert. |
