- 問題詳情:Afour-wheeledrobot,knownasRover,hasbeentestedbyateamatSydneyUniversity.Itwasusedtomoveaherdofcowsfromafieldtoadairy(牛奶場).Researcherswereamazedathoweasilycowsacceptedthepresenceoftherobot.Theywerenotdisturbedbyitandthegatheringprocesswascalmand...
- 26105
- 問題詳情:Choosethebestanswer(根據短文內容,選擇最恰當的*)Afour-year-oldgirlislyinginthearmsofadoctor.Shehasjustbecomemotherless.Abombdestroyedherhomeandkilledhermother.EverydayweseepictureslikethisonTVorinnewspapers.WeseeyoungIraqichildrenbeggingforfoodan...
- 5086
- 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...
- 17870