阅读下面短文，把A-D四个句子填入文中空缺处,使短文内容完整正确，然后完成第80小题。

  Chinese space lover Wang Yuan has been chosen as one of the volunteers for the Mars-500 test project.     1.  Another five volunteers are all space. They are three Russians, an

Italy-Colombian and a Frenchman. They will feel what it's like to travel to Mars without leaving the earth. During the whole process (过程), they are locked up for one and a half years under the condition which is similar to the red planet. So the experiment is called Mare-500.

         2.  Although the volunteers won't leave the building, they will feel as if(好像) they are on a real trip to Mars. The most difficult thing is that they will be separated from the people outside.    3.  That will be hard. When reporters asked what they would miss most during the 500-day special life, Charles from France said, "For me, it will be mainly my family, the sun and fresh air."

     The main task is to study "Man and Environment". It will care about the astronauts' physical

effects and the experience of staying there.     4.   So they will have to make decisions by themselves and then report to the earth, and the earth will tell them whether they do the right thing or not.

     Each astronaut is preparing for the great challenge. And people are looking forward to the result of the experiment.

A. Everyone will stay and work there alone.

B. For 18 months, they won't see sunsets or sunrises.

C. The Mars-500 test will be in a special building in Moscow.

D. He was very happy to be chosen and will accept the challenge.

5.According to the passage, which of the following is TRUE?

A. Five space lovers were chosen as volunteers.

B. The Mars-500 test will take place in Paris.

C. The volunteers will face many sorts of difficulties.

D. The Mars-500 test is about a real trip to Mars.

In 1826, a Frenchman named Niepce needed pictures for his business .But he was not a good artist .So he invented a very simple camera. He put it in a window of his house and took a picture of his garden .That was the first photo.

The next important date in the history of photography was in 1837. That year, Daguerre, another Frenchman, took a picture of his reading room .He used a new kind of camera in a different way. In his picture you could see everything very clearly, even the smallest thing. This kind of photo was called a Daguerreotype.

Soon, other people began to use Daguerre’s way. Travelers brought back wonderful photos from all around the world .people took picture of famous buildings, cities and mountains.

In about 1840, photography was improved .Then photographers could take pictures of people and moving things .That was not simple .The photographers had to carry a lot of films and other machines. But this did not stop them, for example, some in the United States worked so hard. Mathew Brady was a famous American photographer. He took many pictures of great people .The pictures were unusual because they were very lifelike.

Photographers also became one kind of art by the end of the 19th century. Some photos were not just copies of the real world .They showed feelings like other kinds of art.

1.The first photo taken by Niepce was a picture of ________

A．his business        B．his house          C．his garden         D．his window

2.The Daguerreotype was_______.

A．a Frenchman                           B．a kind of picture

C．a kind of camera                        D．a photographer

3.If a photographer wanted to take pictures of moving things in the year of 1840, he

had to_____.

A．watch lots of films                       B．buy an expensive camera

C．stop in most cities                       D．take many films and something else.

4.This passage tells us_____________.

A．how photography was developed           B．how to show feelings in pictures

C．how to take pictures in the world           D．how to use different cameras

In 1826, a Frenchman named Niepce needed pictures for his business .But he was not a good artist .So he invented a very simple camera. He put it in a window of his house and took a picture of his garden .That was the first photo.
The next important date in the history of photography (摄影) was in 1837. That year, Daguerre, another Frenchman, took a picture of his reading room .He used a new kind of camera in a different way. In his picture you could see everything very clearly, even the smallest thing. This kind of photo was called a Daguerreotype.
Soon, other people began to use Daguerre’s way. Travelers brought back wonderful photos from all around the world .people took picture of famous buildings, cities and mountains.
In about 1840, photography was improved .Then photographers could take pictures of people and moving things .That was not simple .The photographers had to carry a lot of films and other machines. But this did not stop them, for example, some in the United States worked so hard.
Mathew Brady was a famous American photographer. He took many pictures of great people .The pictures were unusual because they were very lifelike.
Photography also became one kind of art by the end of the 19th century. Some photos were not just copies of the real world .They showed feelings like other kinds of art.
【小题1】The first photo taken by Niepce was a picture of ________

In 1826, a Frenchman named Niepce needed pictures for his business .But he was not a good artist .So he invented a very simple camera. He put it in a window of his house and took a picture of his garden .That was the first photo.
The next important date in the history of photography was in 1837. That year, Daguerre, another Frenchman, took a picture of his reading room .He used a new kind of camera in a different way. In his picture you could see everything very clearly, even the smallest thing. This kind of photo was called a Daguerreotype.
Soon, other people began to use Daguerre’s way. Travelers brought back wonderful photos from all around the world .people took picture of famous buildings, cities and mountains.
In about 1840, photography was improved .Then photographers could take pictures of people and moving things .That was not simple .The photographers had to carry a lot of films and other machines. But this did not stop them, for example, some in the United States worked so hard. Mathew Brady was a famous American photographer. He took many pictures of great people .The pictures were unusual because they were very lifelike.
Photographers also became one kind of art by the end of the 19th century. Some photos were not just copies of the real world .They showed feelings like other kinds of art.
【小题1】The first photo taken by Niepce was a picture of ________

Louis Braille, a Frenchman, couldn’t see anything when he was three years old. At the age of ten, he went to a special school for b_______【小题1】 children. The teacher there taught him a new way of reading by touching raised letters(突出的字母) on the paper. H______【小题2】, it was a slow way to read, and it did not help the blind to write. In 1819, a French soldier i__________ 【小题3】a special writing called “night writing”. Night writing used twelve dots(小圆点). In 1824, Braille k__【小题4】 about the night writing and began to change it for the blind to use. He didn’t use 12 dots but 6 dots. Letters are made with one or m______【小题5】 dots. In this way, Braille was able to use the six dots for all twenty-six letters. Now people call this writing the “Braille Writing” and people first used it in 1829. His work helped the blind see the world through their fingers.