翻译：WorldWarIIwasmorecomplexthanWorldWarI,whichwasacollisionamongtheimperialistpowersoverthespoilsofmarket,resourcesandterritories.
Howmanypartsdoesascienceandtechnologypaperconsistof?Whatarethey?
英语翻译：poisonouschemicals
Robotsdifferfromautomaticmachines________aftercompletionofonespecifictask，theycanbereprogrammedbyacomputertodoanotherone.
AtrendthatoccursatthesametimewiththemovementtotheSouthandtheWeastoftheUnitedStatesis________.
