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【单选题】
DNC 系统是指 。A.
自 适应控制系统
B.
群控系统
C.
柔性制造系统
D.
计算机数控系统
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皮皮学刷刷变学霸
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【简答题】单词拼写。 1. Richey was glad to have a chance to ______ (采访) a few foreigners who attended 'Join the Fun in Jinling' yesterday. 2. We can enjoy f______ air in the countryside. 3. We feel quite ______ /ri'...
【简答题】A few foreigners work with an animal protection group to protect pandas.
【简答题】A．It is dirty in several places. B．It has a few tears here and there. C．It is really worn out. D．It is out of date.
【单选题】以下哪些情景不是采用形象思维?()
A.
物理学家观察、识别光电现象
B.
炼钢工人从钢水的色彩变化中识别判断转炉温度
C.
中医看病,望闻问切
D.
初中生解决数学难题
【单选题】When I was at college I __________ three foreign languages， but I all except for a few words of each.
A.
spoke ； had forgotten
B.
spoke ； have forgotten
C.
had spoken； had forgotten
D.
had spoken ； have forgotten
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