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单选题
If you must make an electricity connection in a poorly accessible spot, solder it and seal it against （）
A
metal
B
wood
C
water
D
plastic
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单选题If you must make an electricity connection in a poorly accessible spot, solder it and seal it against （）A
metalB
woodC
waterD
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单选题Which statement is true regarding the password-recovery process?（）A
You must have a console connection.B
You cannot set the console port to an insecure mode.C
You must press the Enter key so that you can boot into single-user mode.D
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单选题If you make different trade in different countries, you must take different transport modes? （）A
YesB
NotC
It must be based on costD
Not mention in the paragraph
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