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【多选题】
计算相关系数时，下列关于样本相关系数r的说法，正确的是（）。
A.
取值范围在-l和+1之间
B.
r=+1表示变量之间存在完全正相关
C.
相对系数f具有对称性
D.
r的数值大小与x和y原点及尺度有关
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参考答案：
举一反三
【单选题】延伸率的量纲是什么?
A.
%
B.
m(米)
C.
N(牛)
D.
s(秒)
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【多选题】Which two of these are correct regarding access control lists？ （Choose two.）  （）
A.
An ACL can be applied to multiple interlaces.
B.
An ACL wildcard mask is identical to an IP subnet mask.
C.
There may be multiple ACLs per protocol， per direction， and per intece.
D.
There is an "implicit deny" at the end of an ACL and will result in a dropped packet.
E.
An ACL acts on all packets， those flowing thru the router and those originated by the router itself.
F.
An ACL will be processed from top to bottom and may have multiple matches that will act on the packet that is being tested.
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【单选题】l克脂肪完全氧化分解可提供能量
A.
35kJ
B.
36kJ
C.
39kJ
D.
49KJ
E.
59KJ
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【单选题】如果直线相关系数=1，则一定有( )。
A.
SS总=SS残
B.
SS残=SS回
C.
SS总=SS回
D.
SS总>SS回
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【单选题】如果直线相关系数r=1，则一定有______。
A.
SS 总 =SS 残
B.
SS 残 =SS 回
C.
SS 总 =SS 回
D.
SS 总 ＞SS 回
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【多选题】Which two statements about the configuration of the switch intece are correct (Choose two)（）。
A.
The switchport belongs only to VLAN 2
B.
Intece fa0/0 will be in both VLAN 1 (by default) and VLAN 2
C.
The exhibit shows intece fa0/0 to be dynamically mapped to VLAN 2
D.
A network host can be connected to this intece
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【单选题】配伍组设计的两因素方差分析有
A.
SS总＝SS组间＋SS配伍＋SS误差
B.
SS总＝SS组间＋SS配伍
C.
SS总＝SS组间＋SS误差
D.
SS总＝SS组间＋SS组内
E.
SS总＝SS组间－SS组内
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【多选题】Which two statements are correct about database transportation?（） (Choose two.)
A.
The source and target platforms must be the same
B.
Redo logs, control files and temp files are also transported
C.
The transported database must have the same database identifier (DBID) as the source database and cannot be changed
D.
The COMPATIBLE parameter must be set to 10.0.0.0 or higher and the database must be opened in readonly mode before being transported
E.
Recovery Manager (RMAN) is used to convert the necessary data files of the database if the target platform is different and has different endian format
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【多选题】对于稳态近似,当反应达到稳定态时,以下不正确的说法是( )
A.
活泼中间物的浓度近似等于零
B.
活泼中间物的生成速率与消耗速率相等
C.
活泼中间物的浓度不随时间而变化
D.
活泼中间物的浓度比反应物的初始浓度小得多
E.
活泼中间物的生成速率常数与消耗速率常数相等
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【多选题】Refer to the exhibit. Which two of these statements are correct? (Choose two.)（）
A.
PE11 originated label 20.
B.
PE11 originated label 21.
C.
ThePE11 upstream neighbor originated label 21.
D.
The PE11 downstream neighbor originated label 20.
E.
PE11 will append label 21 to incoming packets labeled 32.
F.
PE11 will impose label 20 on incoming packets labeled 32.
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相关题目：
【单选题】延伸率的量纲是什么?
A.
%
B.
m(米)
C.
N(牛)
D.
s(秒)
查看完整题目与答案
【多选题】Which two of these are correct regarding access control lists？ （Choose two.）  （）
A.
An ACL can be applied to multiple interlaces.
B.
An ACL wildcard mask is identical to an IP subnet mask.
C.
There may be multiple ACLs per protocol， per direction， and per intece.
D.
There is an "implicit deny" at the end of an ACL and will result in a dropped packet.
E.
An ACL acts on all packets， those flowing thru the router and those originated by the router itself.
F.
An ACL will be processed from top to bottom and may have multiple matches that will act on the packet that is being tested.
查看完整题目与答案
【单选题】l克脂肪完全氧化分解可提供能量
A.
35kJ
B.
36kJ
C.
39kJ
D.
49KJ
E.
59KJ
查看完整题目与答案
【单选题】如果直线相关系数=1，则一定有( )。
A.
SS总=SS残
B.
SS残=SS回
C.
SS总=SS回
D.
SS总>SS回
查看完整题目与答案
【单选题】如果直线相关系数r=1，则一定有______。
A.
SS 总 =SS 残
B.
SS 残 =SS 回
C.
SS 总 =SS 回
D.
SS 总 ＞SS 回
查看完整题目与答案
【多选题】Which two statements about the configuration of the switch intece are correct (Choose two)（）。
A.
The switchport belongs only to VLAN 2
B.
Intece fa0/0 will be in both VLAN 1 (by default) and VLAN 2
C.
The exhibit shows intece fa0/0 to be dynamically mapped to VLAN 2
D.
A network host can be connected to this intece
查看完整题目与答案
【单选题】配伍组设计的两因素方差分析有
A.
SS总＝SS组间＋SS配伍＋SS误差
B.
SS总＝SS组间＋SS配伍
C.
SS总＝SS组间＋SS误差
D.
SS总＝SS组间＋SS组内
E.
SS总＝SS组间－SS组内
查看完整题目与答案
【多选题】Which two statements are correct about database transportation?（） (Choose two.)
A.
The source and target platforms must be the same
B.
Redo logs, control files and temp files are also transported
C.
The transported database must have the same database identifier (DBID) as the source database and cannot be changed
D.
The COMPATIBLE parameter must be set to 10.0.0.0 or higher and the database must be opened in readonly mode before being transported
E.
Recovery Manager (RMAN) is used to convert the necessary data files of the database if the target platform is different and has different endian format
查看完整题目与答案
【多选题】对于稳态近似,当反应达到稳定态时,以下不正确的说法是( )
A.
活泼中间物的浓度近似等于零
B.
活泼中间物的生成速率与消耗速率相等
C.
活泼中间物的浓度不随时间而变化
D.
活泼中间物的浓度比反应物的初始浓度小得多
E.
活泼中间物的生成速率常数与消耗速率常数相等
查看完整题目与答案
【多选题】Refer to the exhibit. Which two of these statements are correct? (Choose two.)（）
A.
PE11 originated label 20.
B.
PE11 originated label 21.
C.
ThePE11 upstream neighbor originated label 21.
D.
The PE11 downstream neighbor originated label 20.
E.
PE11 will append label 21 to incoming packets labeled 32.
F.
PE11 will impose label 20 on incoming packets labeled 32.
查看完整题目与答案
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