阅读以下文章，完成阅读任务。

1. After Pluto(冥王星) was found in 1930, people took it as the ninth planet in our solar system(太阳系). But it isn’t like other planets. 2.It is smaller and has an strange orbit(轨道). On August 24, scientists said, “ Pluto is not a planet.”

About 2500 scientists met in Prague. At first, some of them said that there would be 12 planets in our solar system. In the end, the scientists said that only Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune are the planets in the solar system. 3. Each of these planets has its own orbit, and each of the planets is big enough to be a planet. Pluto’s orbit overlaps(交叠) Neptune’s and it is smaller than the other planets. 4. So Pluto is classified(分类) as a dwarf(矮行星), but no longer a planet in the solar system. Students at school will have new schoolbooks to learn the new solar system.

1. 将1处改为同义句，每空一词

Before people ___Pluto in 1930, there were ___ planets in our solar system.

2. 2处It所指为_____

3. 根据3处完成下列句子

Every planet not only has its own___, but also is___ enough.

4. 将4处翻译成汉语

________________________________________________________________

87. Why is Pluto classified as a dwarf, not a planet?

Because_____________________________________________________.

1．After Pluto(冥王星) was found in 1930，people took it as the ninth planet in our solar system(太阳系) ．But it isn’t like other planets．2．It is smaller and has an strange orbit(轨道)．On August 24，scientists said，“Pluto is not a planet．”

About 2500 scientists met in Prague．At first，some of them said that there would be 12 planets in our solar system．In the end，the scientists said that only Mercury，Venus，Edith，Mars，Jupiter，Saturn，Uranus and Neptune are the planets in the solar system．3．Each of these planets its own orbit，and each of the planets is big enough to be a planed．Pluto’s orbit overlaps(交叠)Neptune’s and it is smaller than the other planets．4．So Pluto is classified(分类) as d dwarf (矮行星)，but no longer a planet in the solar system．Students at school will have new schoolbooks to learn the new solar system．

将1处改为同义句，每空一词

Before people ______ Pluto in 1930，there were _______planets in our solar system．

2处It所指为___________

根据3处完成下列句子

Every planet not only has its own ______，but also is ______ enough．

将4处翻译成汉语________________

5．Why is Pluto classified as a dwarf，not a planet?

Because ___________________________．

The Internet, mobile phones and Ipads are part of our lives now. Technology is greatly affecting all ways of our lives, from the ways we work to the ways we play. And it even causes a number of social problems such as cloning humans.
　　We have had lots of technology and it has changed our lives a lot. There is no doubt that humans will continue to use more and more technology. Here are some examples of modern technology that will change our ideas and will affect our lives greatly.
　　Global positioning system (GPS) (全球定位系统)
　　It’s a system that uses radio signals from satellites to show exact(精确地) information. It tells you where the user is on the earth in all weather conditions. It’s made up of three parts: satellites, control equipments (设备) on land and receivers.
　　Space Technology
　　Russian and American scientists have worked together for the international Space Station (ISS) for a long time. They hope the ISS will provide a long-lasting lab. Such a lab will bring humans limitless(无限的) advantages. It’s even hoped that one day space technology will take humans to their new houses in space.
Underwater Robot
Hercules is a kind of underwater robot with some high technology equipments. It will be used to search for ancient ships which were destroyed into the deep sea during their journey long ago.
The world is changing so quickly that it’s hard for us to catch up with all the new inventions because they seem to come out every month. It’s important for us to learn about new technology and the role that it plays in our lives. So we should be willing to accept modern technology, or we will fall behind the times.
【小题1】______ can tell you where the user is on the earth exactly.