【简答题】You can give the host a bottle of wine as a gift only when you know that the host drinks wine.(英译汉)
【单选题】When athletes arrive at the host country, ____________.
A.
the host country pays for their traveling expenses
B.
they are always not satisfied with the living conditions
C.
their countries have to pay for their expenditure
D.
they use the training facilities immediately for adjustment
【单选题】What type of radar can activate a racon?
【单选题】What happens when Host Checker is configured to perform checks every "0" minutes? ()
A.
Host Checker is disabled.
B.
Host Checker will perform continous checks.
C.
Host Checker will perform checks when user logs out.
D.
Host Checker will perform checks when user first logs in.
【判断题】Without a welding machine, we also can do arc welding.
【单选题】When the host tops up everyone's cups of green tea, whose cup should they top up first?
A.
Their own cup should be topped first.
B.
The cup of the eldest female at the table.
C.
The cup of the person sitting next to the host.
D.
The cup of the youngest person at the table.
【简答题】Welding machine also can convert alternating current into ______current.