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【单选题】
下面关于表面热处理的说法中错误的是？
A.
表面热处理可分为化学热处理和表面淬火
B.
表面热处理的目的是提高工件表面的塑性和韧性
C.
表面淬火的加热方式可以采用火焰加热和感应加热
D.
渗碳可以分为固体渗碳、液体渗碳和气体渗碳三种
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【单选题】By the end of this year, there will be more than _____ 5G users in China.
A.
3 million
B.
4 million
C.
5 million
D.
6 million
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【简答题】选出正确答案: 1. There__________ a meeting tomorrow afternoon. A. will be going to B. will going tobe C. is going to be D. will go to be 2. Charlie________ here next month. A. isn’t working ...
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【单选题】In this section you will hear ONE interview. The interview will be divided into TWO parts. At the end of each part, five questions will be asked about what was said. Both the interview and the questio...
A.
A . Because the gene has been p as sed down before they died
B.
Because their families and relatives had similar gene
C.
C . Because the gene had to p r ote ct people in the p as t an today
D.
Because the gene has been passed down by s ki pped g e nerati on
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【单选题】I'm afraid there _______________ a heavy rain tonight. [     ]
A.
will have
B.
is going
C.
will be
D.
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【单选题】P0304参数是设定电机的?
A.
额定电压
B.
额定功率
C.
额定电流
D.
额定转速
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【简答题】风力发电机组产生额定输出功率时的最低风速称为（），它是设计者为机组确定的一个参数。
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【多选题】变频器设置电动机的参数,其中额定电压是设置P0304,额定电流是_____,额定功率是______,额定转速是______。
A.
P0305
B.
P0306
C.
P0307
D.
P0311
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【简答题】电机的额定功率是60W，变频器驱动时，需要进行快速调试，关于功率参数设定值为A. 0.06
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【单选题】There will be a comedy on TV at ________ this evenin g.
A.
seven past thirty
B.
half past seven
C.
seven the thirty
D.
thirty to seven
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【单选题】SECTION B CONVERSATIONS In this section you will hear two conversations . At the end of each conversation, five questions will be asked about what was said. Both the conversation and the questions wi...
A.
Their suppl i ers are raising price.
B.
Their shipping agent is upping fees.
C.
They have been operatin g with loss.
D.
Energy prices are rising.
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相关题目：
【单选题】By the end of this year, there will be more than _____ 5G users in China.
A.
3 million
B.
4 million
C.
5 million
D.
6 million
查看完整题目与答案
【简答题】选出正确答案: 1. There__________ a meeting tomorrow afternoon. A. will be going to B. will going tobe C. is going to be D. will go to be 2. Charlie________ here next month. A. isn’t working ...
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【单选题】In this section you will hear ONE interview. The interview will be divided into TWO parts. At the end of each part, five questions will be asked about what was said. Both the interview and the questio...
A.
A . Because the gene has been p as sed down before they died
B.
Because their families and relatives had similar gene
C.
C . Because the gene had to p r ote ct people in the p as t an today
D.
Because the gene has been passed down by s ki pped g e nerati on
查看完整题目与答案
【单选题】I'm afraid there _______________ a heavy rain tonight. [     ]
A.
will have
B.
is going
C.
will be
D.
is going to have
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【单选题】P0304参数是设定电机的?
A.
额定电压
B.
额定功率
C.
额定电流
D.
额定转速
查看完整题目与答案
【简答题】风力发电机组产生额定输出功率时的最低风速称为（），它是设计者为机组确定的一个参数。
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【多选题】变频器设置电动机的参数,其中额定电压是设置P0304,额定电流是_____,额定功率是______,额定转速是______。
A.
P0305
B.
P0306
C.
P0307
D.
P0311
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【简答题】电机的额定功率是60W，变频器驱动时，需要进行快速调试，关于功率参数设定值为A. 0.06
查看完整题目与答案
【单选题】There will be a comedy on TV at ________ this evenin g.
A.
seven past thirty
B.
half past seven
C.
seven the thirty
D.
thirty to seven
查看完整题目与答案
【单选题】SECTION B CONVERSATIONS In this section you will hear two conversations . At the end of each conversation, five questions will be asked about what was said. Both the conversation and the questions wi...
A.
Their suppl i ers are raising price.
B.
Their shipping agent is upping fees.
C.
They have been operatin g with loss.
D.
Energy prices are rising.
查看完整题目与答案