皮皮学,免费搜题
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搜题
【单选题】
10 mol·L -1 MOH 溶液 pH=10.0 ,则该碱的 K b 为 :
A.
1.0×10 -5
B.
1.0×10 -9
C.
1.0×10 -13
D.
1.0×10 -7
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【多选题】In using AutoCAD software, which of the following should be set when we draw a qualified engineering drawing with AutoCAD software?
A.
Layer properties
B.
Text styles
C.
Dimension styles
D.
Hatch styles
【多选题】In using AutoCAD software, when set a layer, which of the following items should be specified?
A.
The name of the layer
B.
Lineweight
C.
Color
D.
Linetype
【多选题】In using AutoCAD software, what operations need to be conducted when we use the command Move?
A.
Choose the segments which need to be moved.
B.
Choose the datum point.
C.
Make sure the moving direction.
D.
Give the moving distance.
【多选题】In using AutoCAD software, which of the following operation can be used to change dimension figures?
A.
Type dimension figures in the command bar.
B.
Give dimension figure when setting dimension style.
C.
Double click the existing dimension figure and then type new one.
D.
Give dimension figure when setting text style.
【多选题】In using AutoCAD software, the following descriptions are about the usages of the command Trim, which of them are correct?
A.
We can pick the boundaries one by one.
B.
We can trim only one segment in one time conducting the Trim command.
C.
We can right click the mouse to select all the objects as boundaries.
D.
We can trim several segments in one time conducting the Trim command.
【多选题】In using AutoCAD software, which of the following should be set when we draw a qualified engineering drawing with AutoCAD software?
A.
Layer properties
B.
Text syles
C.
Dimension styles
D.
Hatch styles
【单选题】以下对东京玫瑰的说法错误的是?
A.
东京玫瑰是二战时期日本专门对敌广播的。
B.
东京玫瑰是美军对日本女播音员的昵称。
C.
东京玫瑰的判决与呵呵勋爵的判决是不同的。
D.
东京玫瑰特指的是户粟郁子。
【多选题】In using AutoCAD software, the following descriptions are about the usages of the command Trim, which of the are correct?
A.
We can pick the boundaries one by one.
B.
We can trim only one segment in one time conducting the Trim command.
C.
We can right click the mouse to select all the objects as boundaries.
D.
We can trim several segments in one time conducting the Trim command.
【单选题】关于测力计的使用下列说法中,正确的是?
A.
测量前不用将指针调零。
B.
必须竖直提着用
C.
可以测任何大小的拉力。
D.
读数时视线应该和刻度盘垂直
【判断题】In using AutoCAD software, when the command Mirror is used, the mirror line must be center lines.
A.
正确
B.
错误
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