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铝及铝合金坡口采用机械法清理时,一般不宜用砂轮打磨。

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Questions6to10arebasedonthefollowingpassage:

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(78)Ithinkitcertainthatindecades,notcenturies,machinesofsilicon(硅)willarisefirsttorivalandthenexceedtheirhumanancestors.Oncetheyexceedustheywillbecapableoftheirowndesign.Inarealsensetheywillbeabletoreproducethemselves.Siliconwillhaveendedcarbon’slongcontrol.Andwewillnolongerbeabletoclaimourselvestobethefinestintelligenceintheknownuniverse.

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C)oncewemakeamachineascomplexasthehumanbrain,itwillpossesintelligence

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