皮皮学，免费搜题
登录
搜题
【单选题】
3D打印参照的是打印机技术原理，能够将计算机设计出的物体直接打印出实物。3D打印降低了设计与制造的复杂度，能够制造出传统方式无法加工的奇异结构，拓展了设计人员的想象空间。这印证了（）①意识能直接创造出新的物质形态②追求真理是一个永无止境的过程③新事物是在旧事物基础上发展的④创新推动着生产力和思维的进步A.
①②
B.
①④
C.
②③
D.
③④
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】In the United States, when one becomes rich, he wants people to know it. And even if he does not become very rich, he wants people to think that he is. That is what keeping up with the Joneses is abou...
A.
want to be as rich as their neighbors
B.
want others to know or to think that they are rich
C.
don't want others to know they are rich
D.
want to be happy
【简答题】已知 ， 为正实数，函数 在 上的最大值为 ，则 在 上的最小值为 ．
【简答题】In the United States, when one becomes rich, he wants people to know it. And even if he does not become very rich, he wants people to think that he is. That is what 'keeping up with the Joneses' is ab...
【单选题】根据土地增值税法律制度的规定，下列各项费用中，不属于纳税人取得土地使用权所支付的金额的是( )。
A.
登记.过户手续费
B.
契税
C.
地价款
D.
土地征用及拆迁补偿费
相关题目：