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【简答题】
特别重大事故由________或者________组织事故调查组进行调查。重大事故由________组织事故调查组进行调查。较大事故和一般事故由________组织事故调查组进行调查。
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反馈参考答案：
举一反三
【单选题】Choose the correct definition for seniority.
A.
To think sth is true even though you are not certain about it
B.
Some advantages from working somewhere a long time
C.
Relating to the most basic and important parts of sth.
D.
Easily broken or damaged
【单选题】Some easily broken cargoes should have the symbol of
A.
keep dry
B.
keep away from heat
C.
fragile, handle with care
D.
temperature limitations
【单选题】At the end of the passage, Kevin Mitchell implies that______.
A.
the biological system is very delicate and its balance is easily broken
B.
after a long and hard process, human genes come to what they are today
C.
genetic mutations in the human body are developed in a casual manner
D.
some people may have a higher risk of brain cancer than others
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