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【简答题】
为什么说春季是最好的造林季节?春季造林为什么宜早春造林?
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参考解析：
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皮皮学刷刷变学霸
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【单选题】Your company has an IPv6 network that has 25 segments. You deploy a server on the IPv6 network.You need to ensure that the server can communicate with all segments on the IPv6 network. What should you...
A.
Configure the IPv6 address as fd00::2b0:d0ff:fee9:4143/8.
B.
Configure the IPv6 address as fe80::2b0:d0ff:fee9:4143/64.
C.
Configure the IPv6 address as ff80::2b0:d0ff:fee9:4143/64.
D.
Configure the IPv6 address as 0000::2b0:d0ff:fee9:4143/64.
【单选题】在采用EPC-50控制器的S型分油机自动控制系统中,EPC-50控制器的输出信号用来控制( )。
A.
温度传感器TT1
B.
电磁阀SV15
C.
电磁阀SV10
D.
水分传感器MT50
【单选题】What should you do before you go into the woods?
A.
Check the local weather.
B.
Find a map and a compass.
C.
Prepare enough food and drink.
D.
Inform somebody of your plan.
【单选题】You have a server that runs windows server 2008. You need to prevent the server from establishing communication sessions to other computers by using TCP port 25. What should you do?（）
A.
From windows firewall, add an exception.
B.
From windows firewall enable the block all incoming connections option.
C.
From the windows firewall with advanced security snap-in, create an inbound rule.
D.
From the windows firewall with advanced security snap-in, create an outbound rule.
【简答题】有效值为100 V的正弦电压加在电感L两端时，电流I=10 A。当电压含有三次谐波分量而有效值仍为100 V时，电流I=10 A。试求这一电压的基波和三次谐波电压有效值。
相关题目：
【单选题】在采用EPC-50控制器的S型分油机自动控制系统中,EPC-50控制器的输出信号用来控制( )。
A.
温度传感器TT1
B.
电磁阀SV15
C.
电磁阀SV10
D.
水分传感器MT50