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【多选题】
从对旅游业的发展和经营管理具有现实意义的角度出发,现代旅游活动的主要特点有( )。A.
异地性
B.
普及性
C.
暂时性
D.
综合性
E.
季节性
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【单选题】A river on Earth has been polluted and the water is ____________ drink.
A.
unfit to
B.
fit to
C.
likely to
D.
seem to
【简答题】To pollute means to make things unfit or unclean for use. Man has been polluting the earth from the time he first made fire, washed his clothes in the river and threw his waste on the ______. When lan...
【简答题】To pollute means to make things unfit or unclean for use. Man has been polluting the earth from the time he first made fire, washed his clothes in the river and threw his waste on the (1)____. When la...
【单选题】Which of the following is true?
A.
Water can be used only once.
B.
Used water can be recycled.
C.
Recycled water is unfit for drinking.
D.
Only rain water is drinkable.
【简答题】To pollute means to make things unfit or unclean for use. Man has been polluting the earth from the time he first made fire, washed his clothes in the river and threw his waste on the (1)______ . When...
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