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【单选题】
旋转零件的重心在旋转轴线上,当其旋转时有不平力距产生,此种现象称为()。
A.
静平衡
B.
静不平衡
C.
动不平衡
D.
动平衡
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举一反三
【单选题】There are several tips on how to leain a new job. Which tip does this sentence belong to?
A.
Ask plenty of questions at first.
B.
Establish goals and define your objectives.
C.
Listen carefully to insturctions and advive that people offer.
D.
Write things down
【单选题】下列昆虫中触角一般5节的是
A.
网蝽科
B.
猎蝽科
C.
缘蝽科
D.
蝽科
【单选题】Which of the following tip does not help you speak with a proper volume?
A.
Speaking from your diaphragm
B.
Breathing with your chest
C.
Opening your mouth
D.
Standing up straight
【单选题】Which of the following tip does not help you speak with a proper volume?
A.
Speaking from your diaphragm
B.
Breathing with your chest
C.
Opening your mouth
【单选题】清洁电烙铁所使用的海绵应 沾有适量的()
A.
酒精
B.
丙酮
C.
干净水
D.
助焊剂
【单选题】Which of the following tip does not help to make an eye contact?
A.
Sweeping your eyes around naturally
B.
Looking at each person for a number of seconds
C.
Making eye contact with things
D.
Making eye contact with people at the far sides of the audience
【单选题】某企业2017年9月30日自行建造的一条生产线投入使用,该生产线建造成本为740万元,预计使用年限为5年,预计净残值为20万元,采用年数总和法计提折旧,2018年该设备应计提的折旧额为( )万元。
A.
180
B.
192
C.
240
D.
228
【单选题】清洁电烙铁所使用的海绵应沾有适量的( )
A.
酒精
B.
丙酮
C.
干净的水
D.
助焊剂
【单选题】电解抛光结束后,从槽内取出铸件,用热水清洗干净,再放入70~80°C的10%( )溶液中处理10分钟
A.
双氧水
B.
硫酸钠
C.
氟化钠
D.
氢氧化钠 我的答案:
【单选题】Which of the following tip does not help to make an eye contact?
A.
Sweeping your eyes around naturally
B.
Looking at each person for a number of seconds
C.
Making eye contact with things
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