[填空题] 填土的压实系数是指土的 ___ 与土的 ___ 之比。

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• ●    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.
• ●    Without water, _________ no plant or animal.
• ●    Now almot all the parent want their children to learn the piano or the violin, _____ their children are willing or not.( )
• ●    I am wondering if they are ____ or____.
• ●    _________ 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.
• ●    土的结构主要是指土粒或土粒集合体的大小、形状、相互排列与联结等，一般分为单粒结构、絮状结构和____结构
• ●    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
• ●    Many boy enjoy _______ football, baketball or baeball
• ●    － 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