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【单选题】
如图所示是车床拖板箱传动系统示意图,请判定小齿轮Z8 的方向。 分析:输入轴输入带动蜗轮 2 转动(此处是脱落蜗杆), 滑移齿轮 3 与齿轮 4 啮合,带动小齿轮Z 8 在齿条上滚动。 当齿轮 3 与 4 断开时,可通过手动齿轮 7 ,带动Z 8 移动,手摇大拖板纵向进给。A.
向左
B.
向右
C.
顺时针转动
D.
逆时针转动
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举一反三
【多选题】旅游市场营销的微观环境与宏观环境的区别是( )。
A.
微观环境比宏观环境对企业的市场营销的影响更为直接
B.
对微观环境中的一些因素，企业经过努力可以程度不同地加以控制
C.
微观环境与宏观环境是并列的
D.
以上三个方面都对
【单选题】If you have no _____, I would like to ask your daughter to marry me.
A.
suggestion
B.
objection
C.
connection
D.
determination
【单选题】If you have no ____, I would like to ask your daughter to marry me.
A.
identity
B.
objection
C.
connection
D.
question
【单选题】If you have no ____________, I would like to ask your daughter to marry me.
A.
objection
B.
connection
【单选题】If you have no _______, I would like to ask your daughter to marry me.
A.
objection
B.
object
C.
idea
D.
view
【简答题】I would like to ask you to excuse me ----- having come without a prepared text; I had of course given it some thought, but I did not have the time to write.
【单选题】If you have no ____, I would like to ask your daughter to marry me.
A.
patch
B.
warmth
C.
objection
D.
destination
【简答题】If you have no _________, I would like to ask your daughter to marry me.
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