[填空题]_是产品价格和成本之间的差额，是企业经济效益的直接反映

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• ●    You can _____ ome bottle of wine, or ome chocolate, or a bunch of flower.
• ●    A campu emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
• ●    Baically a robot i a machine which move, manipulate, join or procee _____in the ame way a human hand or arm.
• ●    Table______ of tone or wood.
• ●    Now almot all the parent want their children to learn the piano or the violin, _____ their children are willing or not.( )
• ●    _________ in a peron’ peech or writing uually range on a continuum from caual or colloquial to formal or polite according to the type of communicative ituation.
• ●    __________ i the act performed by or reulting from aying omething; it i the conequence of, or the change brought about by the utterance.
• ●    _是产品价格和成本之间的差额，是企业经济效益的直接反映
• ●    All people, whether they be rich or poor, trong or weak, privileged or deprived，are interdependent, and _______ the common tak of eeking to achieve mankind full potential
• ●    － What doe the ign over there read － “No peron ________ moke or carry a lighted cigarette, cigar or pipe in thi area”
• ●    1_____education i the intruction that occur when the intructor and tudent are eparated by ditance or time,or both
• ●    If a boy or a girl ha grown up in a home with haring tak and deciion，he or he will probably______.