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【单选题】
犬,车祸后大小便失禁,两后肢不能站立,针刺前肢敏感,但后肢无反应,肛门反射消失。导致大小便失禁的原因是(2011真题94)A.
膀胱破裂
B.
直肠破裂
C.
脊髓损伤
D.
髌骨骨折
E.
坐骨骨折
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反馈参考答案：
举一反三
【单选题】I am sorry _______ you such a lot of trouble by the delayed shipment.
A.
cause
B.
causing
C.
to be caused
D.
to have caused
【单选题】在频数分布直方图中,有 11个小长方形,若中间一个小长方形的面积等于其它10个小长方形面积的和的 1/4 ,且数据有 160个,则中间一组的频数为( ) A. 0.2 B. 0.25 C. 32 D. 40
A.
B.
C.
D.
D
【单选题】室温时，将浓度和体积分别为 、 的NaOH溶液和 、 的 溶液相混合，下列关于该混合溶液的叙述错误的是
A.
若 ，则一定是
B.
在任何情况下都是
C.
当pH=7时，若 ，则一定是
D.
若 ， ，则
【多选题】Refer to the exhibit. On the basis of the output generated by the show commands， which two statements are true？（）
A.
Because it is configured as a trunk interface， interface gigabitethernet 0/1 does not appear in the show vlan output.
B.
VLAN 1 will not be encapsulated with an 802.1q header.
C.
There are no native VLANs configured on the trunk.
D.
VLAN 2 will not be encapsulated with an 802.1q header.
E.
All interfaces on the switch have been configured as access ports.
F.
Because it has not been assigned to any VLAN， interface gigabitethernet 0/1 does not appear in the show vlan output.
【多选题】Refer to the exhibit. On the basis of the output generated by the show commands， which twostatements are true？（）
A.
All interfaces on the switch have been configured as access ports
B.
Because it has not been assigned to any VLAN， interface gigabitethernet 0/1 does not appearin the show vlan output
C.
Because it is configured as a trunk interface， interface gigabitethernet 0/1 does not appear inthe show vlan output
D.
There are no native VLANs configured on the trunk
E.
VLAN 1 will not be encapsulated with an 802.1q header
F.
VLAN 2 will not be encapsulated with an 802.1q header
【简答题】在图10．1. 7的双积分型ADC中，若输入信号∣vI∣＞∣VREF∣，则会出现什么现象?
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