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【单选题】
CNC系统一般可用几种方式得到工件加工程序,其中MDI是 ( )A.
、利用磁盘机读入程序
B.
、从串行通信接口接收程序
C.
、利用键盘以手动方式输入程序
D.
、从网络通过Modem接收程序
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】____to sleep than the telephone rang once again. A. No sooner did he go B. No sooner had he gone C. He no sooner went D. He had gone no sooner
A.
B.
C.
D.
D
【简答题】基孔制是指基本偏差为一定的孔的公差带，与不同的基本偏差的（）所形成的各种配合的一种制度。
【简答题】基孔制是指基本偏差为一定的 的公差带与 基本偏差的轴的公差带形成的各种配合的一种制度。
【单选题】____ she realized she was in great er.
A.
No sooner the gangster took out the gun than
B.
It was not until the gangster took out the gun that
C.
Scarcely had the gangster took out the gun that
D.
Hardly did the gangster took out the gun that
【单选题】No sooner the message to Sarah than I got a phone call from her.
A.
had I sent
B.
I had sent
C.
I did sent
D.
has I sent
【简答题】____ to sleep than the telephone rang once again. A. No sooner had he gone B. No sooner did he go C. He no sooner went D. He had gone no sooner
【单选题】某支气管扩张的患者,突然出现喷射性大咳血,继而突然中断,表情恐怖,大汗淋漓,此时首要的护理措施是
A.
立即取半卧位
B.
加压给氧
C.
保持呼吸道通畅，清除血块
D.
人工呼吸
E.
开通静脉通路
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