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Robots,(become)increasinglyprevalentinfactoriesandindustrialplantsthroughoutthedevelopedworld,areprogrammedandengineeredtoperformindustrialtaskswithouthumanintervention.

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题目答案

becoming

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Manyothernewtechniquesarenowavailablethatenablemoreresearch(do)inthetesttubetoseeifchemicalsproduceharmfulbiologicaleffects.

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题目答案

to be done

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