B。原因:文章中明确提到“A special machine called a 3D printer uses a digital design to create a physical object. The principle of 3D printing is similar to building a tower with blocks. One layer is added on top of another until the object is complete.”所以 3D 打印机是一种特殊的机器,...
百度试题 结果1 题目___ advanced the 3D printer is! A. What B. What a C. How D. How a 相关知识点: 试题来源: 解析 C。advanced 是形容词,用 How 引导感叹句。反馈 收藏
___ useful the 3D printer is! A. How B. What C. What a D. How a 相关知识点: 试题来源: 解析 A。本题考查感叹句中 how 的用法。“useful”是形容词,用“How”修饰,A 选项正确。B 选项“What”修饰名词;C 选项“What a”修饰可数名词单数;D 选项“How a”用法错误。反馈 ...
One advantage of the 3D printer is its ability to create complex shapes and structures that are difficult or impossible to produce with traditional manufacturing methods. 3D 打印机的优势在于能够制造传统方法难以实现的复杂形状和结构。例如,它可以用于制造内部有复杂通道或结构的零件,这在航空航天、医疗和建...
C. Making clothes. D. Drawing pictures. 相关知识点: 试题来源: 解析 B。解析:文章中明确提到 A special machine called a 3D printer uses materials like plastic, metal, or even chocolate to create three-dimensional objects. 所以 3D 打印机是用来创建三维物体的。反馈 收藏 ...
Generally speaking, what is a 3D printer? A. A device that can create two-dimensional objects. B. A device that can create three-dimensional objects by building them up layer by layer. C. A device that can only be used in the field of medicine. D. A device that is not very useful...
Four-dimensional printer D. Five-dimensional printer 相关知识点: 试题来源: 解析 B。“3D”是“Three-dimensional”的缩写,意为“三维的”。选项 A“Two-dimensional printer”是二维打印机;选项 C“Four-dimensional printer”和选项 D“Five-dimensional printer”目前并不存在。反馈 收藏 ...
题目—They are testing the 3D printer. Don’t you come and see it? —What? ___. A. Where is it displayed? B. It really matters. C. That’s fine. 相关知识点: 试题来源: 解析 C 本题考查学生在具体语境中完成句子的能力。翻译:--他们正在测试3D打印,你要来看看吗?--什么? 那太好了。
What can we do with a 3D printer? A. Make clothes B. Build houses C. Print food D. Print toys 相关知识点: 试题来源: 解析 D。本题考查对 3D 打印机功能的了解。A 选项“Make clothes”制作衣服,一般 3D 打印机不用于此。B 选项“Build houses”建造房子,3D 打印机目前难以实现。C 选项“...
The weakness of the 3D printer includes material limitations, cost issues, slow printing speed, limited precision and surface quality, design and software constraints, environmental impact, intellectual property concerns, and safety and ethical issues. 3D 打印技术虽然潜力巨大,但也存在一些局限性。首先,可...