【单选题】I knocked on the door but ________ answered.
【单选题】在海王星和冥王星的发现过程中,人们按照常规的思维方式去思考,利用已知的理论对实测数据进行分析,并大胆地推测出了新行星的存在。这种推测利用的是( )思维。
【单选题】— I phoned you at about three this afternoon, but no one answered. — Oh, that was probably _______ I was doing exercise outdoors.
【简答题】This question is (difficult) ______ than the one I have answered.
【单选题】在海王星和冥王星的发现过程中,人们按照常规的思维方式去思考,利用已知的理论对实测数据进行分析,并大胆地推测出了新行星的存在。这种推测利用的是( )思维。
【单选题】某一时期X商品的需求曲线向左平移原因有可能是( )。
【单选题】某一时期X商品的需求曲线向左平移原因有可能是( )。
【简答题】I answered that I was usually well organised.'But I'm _______________________________ ,' I answered.
【单选题】-- I called you this morning, but nobody answered. -- Sorry. I ________ the flowers in the garden.