Even now cotton makes up ______ percent of crops grown and _____percent of farmers' income is in some way connected to cotton in Dunhuang.
A. 40;50
B. 50;60
C. 80;70
D. 70;60
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As long as ______ years ago human beings living on the edge of the desert had domesticated the camel.
A. 5000
B. 4000
C. 6000
D. 3000
A camel eat around __________ kilograms of food in one day.
A. 70
B. 100
C. 80
D. 90
At National holiday time There can be up to _______ people visiting Dunhuang Everyday.
A. 40000
B. 30000
C. 50000
D. 45000
The ________villagers of the crescent village can earn a lot from tourism because they are close to the scenic spot.
A. 254
B. 264
C. 256
D. 246