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【单选题】
安全生产是指在社会生产活动中，通过人、机、物料、环境的和谐动作，使生产过程中潜在各种事故风险和伤害因素始终处于（），切实保护劳动者的生命安全和身体健康。A.
不发生状态
B.
有效控制状态
C.
安全管理范围
D.
绝对安全状态
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举一反三
【单选题】John is very diligent, but his pay isn't sufficient enough for his work.
A.
good
B.
much
C.
legal
D.
sound
【单选题】What is the author's opinion on doctors' right to help people end their lives?
A.
It is legalized murder.
B.
It is appropriate and enlightened.
C.
It is out in the open.
D.
Not given.
【单选题】Failure to advertise (could) result in either (reduced) sales and (less) profit (nor) legal actions.
A.
could
B.
reduced
C.
less
D.
nor
【单选题】He shifted his position a little in order to alleviate the pain in his legA.control ###SX
A.
He shifted his position a little in order to alleviate the pain in his leg A.control
B.
ease
C.
experience
D.
suffer
【简答题】造成臭氧层破坏的主要气体是什么?破坏机理是什么 ?
【判断题】A non-firm offer is an expression for accepting the transaction terms with a lega l promise.
A.
正确
B.
错误
【单选题】His grandfather made a real difference to his life by leaving him a generous
A.
legend
B.
legacy
C.
legion
D.
heritage
【简答题】造成臭氧层破坏的主要气体是什么？破坏机理是什么？
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