抛物线y=-2x2-4x-5经过平移得到y=-2x2，平移方法是（ ）
Bob promises to join in the football match ________ he has to help his parents on the farm.
明朝有学者言：“惟夫国之有是，出于群心之自然……匹夫匹妇之所是，主与臣不得矫之以为非；匹夫匹妇之所非，主与臣不得矫之以为是。”以上言论（ ）
