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【多选题】
某厂电焊工甲和铁壳点焊时,发现焊机一线圈已断,电工只找了一段软线交乙自己更换。时,发现一次线接线板螺栓松动,使用板手拧紧(此时甲不在现场),然后试焊几下就离开现场,甲返回后不了解情况,便开始点焊,只焊了一下就大叫一声倒在地上。工人丙立即拉闸,但由于抢救不及时而死亡。 此事故原因分析包括:()
A.
电焊机设备维修人员电工操作证操作
B.
焊接设备未进行保护接地
C.
未实行有效地紧急救护
D.
作业人员安全意识和自我保护意识淡薄
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【单选题】听力原文:M: Have you picked up your ID card from the office yet? W: No, the camera for taking photos was broker. Q: Why hasn't the woman gotten her ID card? (13)
A.
She was unable to have her picture taken.
B.
She has not chosen a picture for it.
C.
She had broken her camera.
D.
She had gone to a photography class instead.
【简答题】活性染料的结构可以用下列通式表示:S-D-B-Re,其中,D代表(),B代表(),Re代表()。
【单选题】以下关于外键约束的描述不正确的是( )
A.
体现数据库中表之间的关系
B.
实现参照完整性
C.
以其它表主键约束唯一约束为前提
D.
每个表中都必须定义外键
【单选题】What does the woman think about her lifestyle?
A.
She has got a lot of trouble with it.
B.
She feels it is unnatural.
C.
It’s gotten easier with time.
【简答题】活性染料的结构可以用下列通式表示:S-D-B-Re,其中,S代表 , D代表 ,B代表 ,Re代表 。
【单选题】The stowage factor should be calculated().
A.
before the stowage plan is made
B.
when the stowage plan is made
C.
after the stowage plan is made
D.
before loading
【单选题】以下关于外键约束的描述不正确的是( )
A.
体现数据库中表之间的关系
B.
实现参照完整性
C.
以其他表主键约束和唯一约束为前提
D.
每个表中都必须定义外键
【简答题】翻译:bad stowage=improper stowage:A. “积载不良/不当”
【单选题】Read the paragraph below from the introduction [paragraphs 1-4]. Kelly Zimmerman helped set up the Facebook page. She says Emma loves the letters. More than 50,000 people have sent letters. What infor...
A.
the reason Emma loves dogs
B.
the number of letters Emma has gotten
C.
why Emma is in the hospital
D.
how therapy dogs help sick people
【单选题】She has been________ the running race because she did not win any of the practice races.
A.
prohibited from
B.
eliminated from
C.
removed away
D.
gotten rid of
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