第29题:[多选题]( ) 3D打印机的成型方式( )。 A. FDM熔融层积成型 B. 切削成型 C. SLA/DLP立体光固化成型 D. 3DP;SLS选取激光烧结技术 参考答案:ACD
第30题: [单项选择]The 100-page-long leaflet the man speaker got at Oslo Airport contains________. A. funny information about restaurants B. quite boring information about restaurants C. totally useless information about restaurants D. insufficient information about restaurants 参考答案:D