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【单选题】
在下列因素中对刀具寿命影响最大的因素是( )A.
切削速度
B.
切削厚度
C.
背吃刀量
D.
进给量
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皮皮学刷刷变学霸
举一反三
【单选题】You’d better not eat too much fast food, _____ potato chips andhamburgers, if you don’t want to put on weight.
A.
such as
B.
instead of
C.
because of
D.
for example
【简答题】名词解释:毛笔头 毛笔头:指辛夷花蕾未开放时的形状,因似毛笔头,外被长柔毛而得名。
【多选题】The sentence "However intricate the ways in which animals communicate with each other, They do not indulge in anything that deserves the name of conversation." means:
A.
Animals can have a conversation with each other.
B.
Conversation only belongs to human beings.
C.
The ways used by some kinds of animals are very complex.
D.
Animals could not communicate with each other.
【简答题】属于辛夷鉴别特征的有( )A形似毛笔尖B花被片外表面密具毛茸C体轻,质脆D气芳香A. 1 B. 1 C. 1 D. 1
【简答题】什么是工作分析？工作分析的基本程序是什么？
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