皮皮学，免费搜题
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搜题
【单选题】
根据增加或减少实体，“拉伸”实体特征分为凸台和。A.
旋转体
B.
凹槽
C.
肋
D.
多截面实体
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反馈参考答案：
举一反三
【简答题】稳定土厂拌设备主要由 、 、 、粉料配料机、集料机、电气控制柜、供水系统、卧式或立式储仓、上料皮带机及其混合料储料仓等组成。
【简答题】按照 IP 地址类型分类,路由可以分为 和 。
【单选题】Q: What is the main idea of the passage?
A.
People should learn to manage their emotions.
B.
People should be patient with their negative feelings.
C.
People should learn to analyze causes of unhappiness.
D.
People should identify as many positive feelings as possible.
【简答题】Q4: What is the main idea of the passage?
【单选题】Q4 What is the main idea of the passage?
A.
Diet and lifestyle are crucial to good health
B.
Good air quality is the key to living a long life
C.
Genetic factors have much to do with good health
D.
Climate conditions have little impact on one’s life span( 寿命 )
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