皮皮学，免费搜题
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搜题
【多选题】
本学期本门课程实践作业有哪些?
A.
阅感
B.
历史再现
C.
视频教学
D.
在线讨论
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】My mother cooks dinner for us every day. We don’t need to do _______ before dinner.
A.
anything
B.
something
C.
nothing
D.
any thing
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【简答题】吸收是分离______混合物的最常用的单元操作。
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【单选题】若4F电容元件两端的电压 ,则在 时储能为( )。
A.
3J
B.
6J
C.
18J
D.
9J
查看完整题目与答案
【单选题】He took time out from campaigning to his mother to dinner.
A.
chase
B.
regard
C.
accompany
D.
cover
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【单选题】若4F电容元件两端的电压u(t)=1.5t,则在t=2 s时储能为( )。
A.
3J
B.
6J
C.
18J
D.
9J
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【简答题】斜二轴测图绘图是,Y1轴的尺寸按( )比例绘制。
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【判断题】调度术语中“调度管辖”的含义是指：具有对该设备的运行状态改变、运行方式安排、继电保护及安全自动装置整定计算及状态变更、倒闸操作及事故处理的指挥权。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Mother dinner in the kitchen while father was watching TV.
A.
prepare
B.
was preparing
C.
was prepared
D.
was prepared to
查看完整题目与答案
【简答题】吸收是分离 的单元操作，它是利用混合气体中各组分在吸收剂中 的差异，而达到分离的目的。
查看完整题目与答案
【简答题】“I have terrible toothache and it is getting more and more painful. Is there nothing you can do? My mother made an appointment for me for this afternoon but I told her to ______it. And now I really ne...
查看完整题目与答案
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【单选题】My mother cooks dinner for us every day. We don’t need to do _______ before dinner.
A.
anything
B.
something
C.
nothing
D.
any thing
查看完整题目与答案
【简答题】吸收是分离______混合物的最常用的单元操作。
查看完整题目与答案
【单选题】若4F电容元件两端的电压 ,则在 时储能为( )。
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【单选题】He took time out from campaigning to his mother to dinner.
A.
chase
B.
regard
C.
accompany
D.
cover
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【单选题】若4F电容元件两端的电压u(t)=1.5t,则在t=2 s时储能为( )。
A.
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B.
6J
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【简答题】斜二轴测图绘图是,Y1轴的尺寸按( )比例绘制。
查看完整题目与答案
【判断题】调度术语中“调度管辖”的含义是指：具有对该设备的运行状态改变、运行方式安排、继电保护及安全自动装置整定计算及状态变更、倒闸操作及事故处理的指挥权。
A.
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B.
错误
查看完整题目与答案
【单选题】Mother dinner in the kitchen while father was watching TV.
A.
prepare
B.
was preparing
C.
was prepared
D.
was prepared to
查看完整题目与答案
【简答题】吸收是分离 的单元操作，它是利用混合气体中各组分在吸收剂中 的差异，而达到分离的目的。
查看完整题目与答案
【简答题】“I have terrible toothache and it is getting more and more painful. Is there nothing you can do? My mother made an appointment for me for this afternoon but I told her to ______it. And now I really ne...
查看完整题目与答案