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,...
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“Print food”打印食物,技术还未成熟。D 选项“Print toys”打印玩具,是 3D 打印机常见的应用之一。
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 ...
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
___ amazing the 3D printer is! A. What B. How C. Where D. When 相关知识点: 试题来源: 解析 B。这是一个感叹句,“How”引导的感叹句结构为“How + 形容词 + 主语 + 谓语!”,“What”引导的感叹句结构为“What + (a/an) + 形容词 + 名词 + 主语 + 谓语!”,此句中“amazing”是形容...
相关知识点: 试题来源: 解析 B。解析:文中提到 A special machine called a 3D printer uses materials like plastic, metal, or even chocolate to create three-dimensional objects. 所以 3D 打印机可以使用塑料、金属甚至巧克力等材料。反馈 收藏
根据“The printer will print it layer upon layer to build the walls. After that, workers will make the wall stronger.”可知,3D打印机和工人将一起建造房屋。故选D。 (3)题详解: 最佳标题题。根据“In the Netherlands, 3-D printed houses will soon come into life, according to The Guardian....
printed.A 3-D printer will print it with a special cement(水泥).T he cement looks like whipped cream(打发好的奶油).T he printer will print it layer upon layer(一层又一层)tobuild the walls.After that,workers will make the walls stronger.By the time they start working on the fifth ...
___ 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 ...
Three-dimensional printer C. 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。