2. 职业资格
  3. Unlike some other food-capable 3D printers, the Foodini device______from the start to be a specialized food-printing machine.

Unlike some other food-capable 3D printers, the Foodini device______from the start to be a specialized food-printing machine.

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问题 Unlike some other food-capable 3D printers, the Foodini device______from the start to be a specialized food-printing machine.
选项 A、has designed
B、has been designed
C、would design
D、would be designed
答案B
解析 考查时态和语态。该句子的主语是the Foodini device，谓语动词是design，应该是“Foodini机器被设计”，主谓之间是被动关系，所以用被动语态，由be+过去分词构成。排除A、C两项。再根据表示时间的短语from the start及语义可知“Foodini机器被设计”该动作已经完成，所以用现在完成时态，故选B。句意为“和其他可以打印食物的3D打印机不同，Foodini自设计之初就被打造为专业食物打印机器”。
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