Today the technologies are developing rapidly，but there are many unknown things waiting for us to explore in the world and we still have many strange questions. Among all of these puzzles, maybe we are most interested in UFOs.
It's known that UFO is short for the Unknown Flying Object. For a period of time， when we mentioned UFO,we always thought of aliens, the aliens' high-technology, outer space culture and so on. There are many witnesses in the world. They say for certain that they have seen some uncommon things in the sky with their eyes. Some of them can even prove(证明) their experiences with videos or pictures. But in the end people find most of the events are considered as natural phenomena(现象)or man-made objects. They just mistake a plane, a rocket, a balloon or even a plastic bag for UFO.
So far we haven't found real proofs (证据) to prove there are aliens and UFOs in space. But I believe，with the development of science， we will get more and more knowledge about our real world and we will have the ability to realize the essence(本质)of the world.
根据短文内容，选择最佳答案。
( ) 1. When people talk about the unknown things, which interests them most?
A. UFOs. B. Aliens.
C. Aliens' technology. D. Outer space.
( ) 2. How do some people prove they have seen UFOs?
A. By words or photos.
B. By articles or videos.
C. By videos or photos.
D. By words or articles.
( ) 3.What's the meaning of the underlined word "witnesses"in Chinese?
A.爱好者 B.目击者
C.观赏者 D.预言家
( ) 4.Which of the following is TRUE according to the passage?
A. UFO is different from the Unknown Flying Object.
B. Many people aren't interested in UFOs.
C. Some people have proved that there are aliens and UFOs in space.
D. Some people consider some man-made objects as UFOs by mistake.
( ) 5. The passage is about
A. the aliens
B. the UFOs
C. the natural phenomena
D. the man-made objects
l.A从第一段最后一句可知"在所有的困惑中，人们对UF0最感兴趣"。
2. C 细节理解，由第二段中"Some of them can even prove…"可知答案为C0
3. B 由后~.句"They say for certain that they have seen…"可知witnesses意为"目击者"。
4. D由第二段最后一句话可知"人们仅仅是把飞机、火箭、气球甚至是塑料袋都误以为是UF0了"。
5. B
题目来源：仁爱英语同步练习册九年级上册下册合订本 > Topic2 I'm excited about the things that will be discovered in the future.
名校课堂系列答案科目：初中英语 来源： 题型：
The newest item in an artist's collection is not a new kind of paintbrush (画笔)or pencil. It is the computer. Computer art is the art created with the help of a computer. Computer art is used in many fields. It is used on TV. And it is used to make movies. Computer artists have created Buzz Lightyear and other computer art friends to make us laugh.
Computer design is called CAD. Not too long ago, computer games had flat shapes.
These shapes chased(追逐)each other across the screen. That's to say,people could only use computer design to design simple pictures. Today，CAD can design everything that you think of. You probably like CAD best in movies. Toy Story was the first computer-lively film. Pixar made the film in 1995. It won awards(奖品). Then，Pixar made a new movie. It became a huge success. It was called A Bug's Life(《虫虫特工队》).
You can still do beautiful art with paintbrushes and pencils, but now you can also use a computer, too. They can create what you want if you use your imagination. There is no limit to what CAD can do in the future. You can find it easy to create anything that you need by using the perfect computer art.
根据短文内容，选择最佳答案。
( ) 1. What traditional art tools(工具)are mentioned in the article?
A. Paintbrushes. B. Crayons.
C. Pens. D. Computer.
( ) 2. According to the passage, what's computer art?
A. Watching ads by using computers.
B. Painting pictures by computers.
C. Making movies by using computers.
D. Creating art by using computers.
( ) 3. Which is the first computer-lively movie?
A. Fantastic Four.
B. Pirates of the Caribbean,
C. Toy Story.
D. A Bug's Life.
( ) 4. What can you create with CAD if you use your imagination?
A. Something you like.
B. Anything you want.
C. Nothing.
D. Everything.
( ) 5. What's the article about?
A. The perfect computer art.
B. The computer design.
C. Changes in art.
D. A new way to making films.
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