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【单选题】
技师采用有圈包埋,包埋材料没有注蜡型距离铸圈顶有3mm距离,离心铸造时可能出现的问题是( )
A.
铸圈上移
B.
合金穿透包埋材
C.
铸件有气泡
D.
合金穿透铸圈
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参考答案:
举一反三
【单选题】To which of the following might Daniele Fanelli agree?
A.
The frequency and quality of citations reflect the quality of a paper.
B.
Positive data hinder us from understanding the messy nature of science.
C.
The competitive environment makes it impossible to publish negative data.
D.
The present publication culture is adverse to scientific progress.
【单选题】在健身开始前要做()分钟的有氧热身比较适宜。
A.
20-30
B.
5-10
C.
10-15
D.
3-5
【单选题】In which kind of conversation style. do people take turns to give opinions?
A.
Bowling style.
B.
Rugby style.
C.
Basketball style.
D.
NBA style.
【单选题】JAVA APPLET源程序名为Jap.java,html文件名Jap.html,其编译的命令是什么?
A.
javac Jap.java
B.
javap Jap.java
C.
appletviewer Jap.java
D.
javadoc Jap.java
【判断题】工序质量控制点主要针对关键(重要)工序设置
A.
正确
B.
错误
【判断题】工序质量控制点主要针对关键(重要)工序设置
A.
正确
B.
错误
【单选题】在健身开始前要做( )分钟的有氧热身比较适宜。
A.
3-5
B.
5-10
C.
10-15
D.
20-30
【单选题】Which citation style is this text following?
A.
IEEE style
B.
Harvard style
C.
superscripted ordinal numbers style
D.
uppercase abbreviations style
【多选题】 Which of the following communication style is similar to the succinct verbal style?
A.
self-enhancement
B.
self-effacement
C.
indirect style
D.
direct style
【多选题】Which style is common in technical documents?
A.
Plain style.
B.
Grand style.
C.
Persuasive style.
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