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【多选题】
柴油发动机启动困难的原因可能有:A.
空气滤芯堵塞
B.
.燃油系统有空气
C.
启动系统有故障
D.
燃油质量差
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举一反三
【单选题】The main point of paragraph two is to describe ______.
A.
effects of changes in the climate of China on food production
B.
future changes in the vegetation
C.
future changes in the growing season
D.
projected future changes in the climate of China
【单选题】The number of times per minute that you breathe is ______.
A.
fixed at twenty-two times per minute
B.
influenced by your age and sex
C.
dependent upon the amount of fresh air available to you at any given time
D.
controlled automatically by an unspecified body mechanism
【简答题】混合性呼吸困难多见于（ ）
【多选题】Which two options describe benefits of aggregated chassis technology? (Choose two.)
A.
It requires only three IP addresses per VLAN.
B.
It supports HSRP, VRRP, and GLBP.
C.
It requires only one IP address per VLAN.
D.
It reduces management overhead.
E.
It supports redundant configuration files.
F.
Switches can be located anywhere regardless of their physical distance from one anot her.
【单选题】Which two options describe benefits of aggregated chassis technology? (Choose two.)
A.
It requires only three IP addresses per VLAN.
B.
It supports HSRP, VRRP, and GLBP.
C.
It requires only one IP address per VLAN.
D.
It reduces management overhead.
E.
It supports redundant configuration files.
F.
Switches can be located anywhere regardless of their physical distance from one anot her.
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