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搜题
【单选题】
将蔬菜、肉类洗净切块以满足消费者要求是( )
A.
为促进销售的流通加工
B.
为弥补生产领域加工不足的流通加工
C.
为提高加工效率的流通加工
D.
为实施配送进行的流通加工
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举一反三
【单选题】Mr. Pontetlier felt extremely frustrated because______.
A.
his wife overslept
B.
his wife greeted late
C.
his wife was indifferent to his talk
D.
his wife showed too much interest in his talk
【多选题】切削用量三要素是金属切削加工中非常重要的参数,它们直接影响:
A.
切削力的大小
B.
切削热和切削温度
C.
刀具磨损和刀具耐用度
D.
数控程序编程
E.
生产率、加工成本和加工质量
【简答题】窗的主要作用是 、 和
【多选题】窗的主要作用是( )。
A.
 承重
B.
 通风
C.
 采光
D.
 交通联系
E.
 眺望
【简答题】门窗的主要作用是( )
【单选题】When Henry arrived home after a hard day at work, his wife was slept.
A.
his wife was sleeping
B.
his wife slept
C.
his wife has slept
D.
his wife has been sleeping
【多选题】窗的主要作用是( )
A.
交通联系
B.
接受日照
C.
通风
D.
采光
E.
供人眺望
【判断题】[判断题] 创业是不拘于当前资源约束、寻求机会,将不同的资源以利用和开发,并创造价值的过程。()
A.
正确
B.
错误
【单选题】[机械设计部分][中职和高职和教师][难] 双曲柄机构机架长度为50mm,两连架杆长度分别为100mm和150mm,则连杆长度L的取值范围是 ( )
A.
50mm≤L≤150mm
B.
100mm≤L≤150mm
C.
150mm≤L≤200mm
D.
100mm≤L≤200mm
【单选题】Mr. Pontellier felt extremely frustrated because ______.
A.
his wife overslept
B.
his wife greeted late
C.
his wife was indifferent to his talk
D.
his wife showed too much interest in his talk
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