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以下哪项措施可以预防病毒感染()
A.吸烟
B.板蓝根
C.正确戴口罩、经常洗手
A.吸烟
B.板蓝根
C.正确戴口罩、经常洗手
A、Navigating
B、Interpreting
C、Paying the bill
D、Forcing tourists to shop
E、Ensuring safety
A、your own family
B、the history, culture, traditions and important ideas of your city or country.
C、state secrets
D、everyday life
A、Encourage interaction
B、Tell them some folk tales and songs
C、Tell them some jokes, games
D、organize some group activities
A、Be cool-hearted
B、Comfort tourists
C、Inform your leaders or related departments
D、Help saving and evacuating tourist
A、Greetings
B、Self -introduction
C、Arrangements of itinerary
D、Notes of itinerary
E、Wishes
A、necessary items
B、image preparation,
C、knowledge preparation
D、itinerary preparation
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