《2025年学霸甘肃少年儿童出版社六年级英语上册译林版》

二、阅读短文,选择最佳选项。
新情境·科技运用
建议用时:14分钟
难度:★★★★★
In the past, you could draw anything you wanted on a computer screen and then print it out on a piece of paper—a flat piece of paper. But imagine being able to print something that is three-dimensional(3D). Would you like to design an object, such as a cup or a toy, and then “print” it out? Well, there is the technology to help you do this—to produce even a whole house!
3D printers might be the size of a suitcase, or even a small room, depending on the thing they will print. You make a 3D design on your computer and send it to the printer. Inside the machine, the thing you have designed is made.
So how is this being used? In medicine, 3D printing is often used to make teeth. The dentist takes a 3D image, something like a photo of the real tooth and a new one is printed in that exact shape. Then you might also want to print a mobile phone cover or a special pair of shoes.
Scientists are taking this even further. They have made a bicycle that just needs a chain and two tyres (轮胎). Car parts have been made for a while and now they are even making a body of a whole car!
A Chinese company has made houses using a giant(巨大的)3D printer. They use a mixture that includes concrete(混凝土) and recycled building waste. This is a good thing as it helps the environment. They believe that their idea of printing houses is cheaper, faster, less dusty(有灰尘的) and less noisy than the ordinary(普通的) way that houses are built.
It seems that 3D printing technology will change our world, and China is leading(领先) the way.
( )1. The size of a 3D printer might be ____ as that of the thing they design.
A. different
B. always small
C. always big
D. the same
( )2. In medicine, 3D printing is often used to print ____ in the exact shapes.
A. dentists
B. teeth
C. photos
D. mobile phone covers
( )3. Scientists are taking this even further. Here “this” probably refers to ____.
A. a pair of shoes
B. the 3D printing
C. a new bicycle
D. a whole car
( )4. Which of the following is NOT right according to the fifth paragraph?
A. A Chinese company has made houses using a giant 3D printer.
B. 3D printing technology helps the environment while building houses.
C. It's believed to be cheaper and faster to use the method of printing houses.
D. The ordinary way to build houses is less dusty and noisy than 3D printing method.
( )5. Which of the following can be the best title for this passage?
A. Use the 3D printing technology to build houses
B. China is now ready to produce 3D printers
C. The 3D printing technology will change our world
D. The 3D printing technology protects the environment

答案： 1.D 2.B 3.B 4.D 5.C