皮皮学，免费搜题
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【单选题】
One thief went inside while the other waited outside and _________ the police.A.
watched out
B.
watched for
C.
watched over
D.
looked out
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举一反三
【单选题】One of his teachers ventured their opinion and suggested to his mother that Al had an "addled" brain.
A.
befuddled
B.
brilliant
C.
somber
D.
abnormal
【简答题】按投资在再生产过程中的作用，企业投资可分为：＿＿＿＿＿＿、＿＿＿＿＿＿、＿＿＿＿＿＿、＿＿＿＿＿＿。
【判断题】Jack Trout and his partner Al Ries have published books that are widely influential.
A.
正确
B.
错误
【简答题】某日用化妆品厂本月销售600套自产旅行套装,每套有下列产品组成:自产口红一支(价值30元),外购防晒霜一瓶(15元),自产香水一瓶(20元),外购洗面奶一瓶(18元),塑料包装袋(2元)。计算本月销售套装产品应当缴纳的消费税。
【简答题】当机构的原动件数 自由度数时,将导致机构最薄弱的环节损坏。
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