Afour的精選

問題詳情：Afour-wheeledrobot，knownasRover，hasbeentestedbyateamatSydneyUniversity．Itwasusedtomoveaherdofcowsfromafieldtoadairy(牛奶場)．Researcherswereamazedathoweasilycowsacceptedthepresenceoftherobot.Theywe...

問題詳情：Choosethebestanswer（根據短文內容，選擇最恰當的*）Afour-year-oldgirlislyinginthearmsofadoctor.Shehasjustbecomemotherless.Abombdestroyedherhomeandkilledhermother.EverydayweseepictureslikethisonTVorin...

問題詳情：單項選擇。Thereare＿＿daysinaweek. A.four    B.five,   C.seven.【回答】C知識點：數詞題型：選擇題...