When was man’s life changed in many ways? What is the article mainly about?

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问题 When was man’s life changed in many ways?
What is the article mainly about?

选项 A、Fire and metals are both very important.
B、The science of preparing metal for use began before the use of fire.
C、Tools, weapon and decorations can only be made from metals.
D、Fire has been playing an very important part in their life and work since human beings mastered its use.

答案D

解析全文一直在讲：自人类掌握火的用法以来，火在人类工作和生活中的作用，所以选项[D]为正确答案。

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本试题收录于：公共英语二级笔试题库公共英语（PETS）分类

公共英语二级笔试

公共英语（PETS）

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When was man’s life changed in many ways? What is the article mainly about?

公共英语二级笔试

公共英语（PETS）

InBritain,peoplehavedifferentattitudestothepolice.Mostpeoplegenerally【C1】______themandthejobtheydo—althoughther

InBritain,peoplehavedifferentattitudestothepolice.Mostpeoplegenerally【C1】______themandthejobtheydo—althoughther

Whatdoesthemanproposetodofirst?

Theevolutionofartificialintelligenceisnowproceedingsorapidlythat【C1】______themiddleofthiscenturycheapcomputers【C

Whatimpressionsareyoumakingonthepeoplearoundyou?Yourwords,phrases,evenyourmessagemaysoonbeforgottenbutbelie

Whatimpressionsareyoumakingonthepeoplearoundyou?Yourwords,phrases,evenyourmessagemaysoonbeforgottenbutbelie

Howmanytypesofbaldnessarethereaccordingtothestudy?

Supposethatyouhavebeenaregularofahotelformanyyears.Butduringthelast2days,theair-conditionerdidn’tworkand

Howlongwilltheadultsandteenagersinthisprogramlivetogether?

Thelawyerisapersonwithaveryspecialknowledgeofthelaw—boththecivilandcriminal.Becauseofthisknowledgethelawye

参观法能够使学生学到许多课堂上学不到的知识，所以在教学中应该多加运用。

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弗洛伊德理论中和早期无意识概念相类似的是()

[A]Theroleofnaturalselectioninthiscolorfulworld[B]Thedelicatehierarchyofthenaturalsystem[C]Theagencyofsele

在Access中，参照完整性规则不包括( )。

ApproachestoUnderstandingIntelligencesItpaystobesmart,butwearenotallsmartinthesameway.Youmaybeatalent

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