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Afour-wheeledrobot,knownasRover,hasbeentestedbyateamatS...
问题详情:Afour-wheeledrobot,knownasRover,hasbeentestedbyateamatSydneyUniversity.Itwasusedtomoveaherdofcowsfromafieldtoadairy(牛奶场).Researcherswereamazedathoweasilycowsacceptedthepresenceoftherobot.Theywe...
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单项选择。Thereare__daysinaweek. A.four B.five, C.seven...
问题详情:单项选择。Thereare__daysinaweek. A.four B.five, C.seven.【回答】C知识点:数词题型:选择题...
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Choosethebestanswer(根据短文内容,选择最恰当的*)Afour-year-oldgirli...
问题详情:Choosethebestanswer(根据短文内容,选择最恰当的*)Afour-year-oldgirlislyinginthearmsofadoctor.Shehasjustbecomemotherless.Abombdestroyedherhomeandkilledhermother.EverydayweseepictureslikethisonTVorin...