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【简答题】
Studies have shown that ______ are the No. I reason for divorce for some couples.
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举一反三
【单选题】Passage One Questions 21 to 25 are based on the following passage. ①Many of today’s most trusted sales techniques were invented over a century ago by a young merchant named Eaton in Toronto.21 When he...
A.
he was the richest merchant in Toronto
B.
he was a successful technical inventor
C.
he introduced new sales practices
D.
he changed people’s ideas about businessmen
【简答题】TVM维护单元由( )和( )组成。
【简答题】凸轮机构,按凸轮的形状分,可分为 、 、 ;
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