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【简答题】
数控线切割机床,采用细金属丝作为 电极,接脉冲电源的 极。
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参考答案:
举一反三
【单选题】听力原文:W: Hi, Larry, are you waiting to see Professor Johnson, too? M: Yeah, since I got one of the five highest grades in her managerial economies class, she asked me if I'd be interested in working as...
A.
She works parttime as Prof. Johnson's secretary.
B.
She used to do the job herself.
C.
She just came out an interview for the job.
D.
She is Prof. Johnson's daughter.
【多选题】握手时的禁忌包括( )
A.
心不在焉
B.
伸出左手
C.
戴着手套
D.
交叉握手
【单选题】起重机( ) 磨损后,可能造成吊起工件坠落事故,对安全的影响。
A.
吊钩
B.
钢丝绳
C.
减速器
D.
制动轮
【多选题】油气集输流程 按降粘方式分类可以分为 。
A.
井口不加热技术流程
B.
掺和集输流程
C.
伴热集输流程
D.
加热集输流程
【判断题】甲公司用信用卡支付900元报刊费,属于支付结算行为( )
A.
正确
B.
错误
【单选题】---Listen! Is Professor Johnson giving a report in the hall? --- No, it be him. He has gone to Japan.
A.
is able to
B.
can
C.
can't
【单选题】- Listen! Is Professor Johnson giving a report in the hall? - No, it be him. He has gone to Japan.
A.
needn’t
B.
may not
C.
mustn’t
D.
can’t
【多选题】握手时的禁忌可以包括
A.
不要用左手与他人握手
B.
不要在握手时戴着手套
C.
不要在握手时将另一只手插在衣袋里
D.
不要在握手时面无表情
【单选题】--Listen, Is Professor Johnson giving a report in the hall? --No, it _____ be him. He has gone to Japan.
A.
need't
B.
may not
C.
mustn't
D.
can't
【单选题】—Listen! Is Professor Johnson giving a report in the hall? —No, it be him. He has gone to Japan.
A.
can't
B.
may not
C.
needn't
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