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【多选题】
成交信号包括:A.
语言信号
B.
行为信号
C.
表情信号
D.
事态信号
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举一反三
【单选题】在减速器的调整作业中,在保持啮合印痕合格的前提下调整( )
A.
先调整啮合间隙,再调整轴承预紧度,再调整啮合印痕。
B.
先调整轴承预紧度,再调整啮合间隙,再调整啮合印痕。
C.
先调整啮合印痕,再调整啮合间隙,再调整轴承预紧度。
D.
先调整轴承预紧度,再调整啮合印痕,再调整啮合间隙。
【简答题】单词拼写。 1．Millie is twelve ______ (岁数)old． 2．My ______ (爱好)are football and volleyball． 3．After school，Daniel usually______(玩)with his friends． 4．She has ______ (短的)black hair． 5．It’s a fine day today．L...
【简答题】Section C How great it is to see so many of you come and join us in celebrating the 15th anniversary of our travel magazine. From the bottom of 11 , we thank you for being here. A little more than fif...
【简答题】Who were sitting at breakfast in the kitchen on Sunday morning?
【简答题】柱头虫属 _____________ 门动物,其幼体与海参的幼体 ____________ 十分相似。
【简答题】How great it is to see so many of you come and join us in celebrating the 15 th anniversary of our travel magazine . From the bottom of 11 , we thank you for being here. A little more than fif yea...
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