单项选择题

The solution to the world's food problems depends on ______.

A．modern methods of farming
B．providing family farms
C．solving problems besides growing food
D．the help of "have" countries
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单项选择题
The main difficulty in solving the food problem is ______.
A．backward social and economical background
B．lack of information about food needs
C．conflicts between "haves" and "haves-not"
D．lack enough funds to modernize agriculture
单项选择题
Conditions in the have-not countries are ______.
A．improving because of the development of economy
B．getting worse because of rapidly growing population
C．kept well by food from the "have" countries
D．better than the "have" countries in other senses
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