And the efforts are not just physical. Poor brain development from poor nutrition can limit economic success as children become adults. Then the cycle of poverty and under nutrition often repeats for their children.

　　Doctor Black says under nutrition children are also more likely to have conditions like high blood pressure, diabetes and heart disease as adults. He says the studied show that nutrition programs need to place greater importance on the first two years of life. Under-nutritioned children can suffer permanent damage by age two.

　　The research say mothers should be urged to breastfeed and taught how to breastfeed correctly. Also, diets should include foods rich in vitamin A and the mineral zinc. The researchers say early interventions like these could reduce child deaths by twenty-five percent.

　　68. For what purpose does the author mention the percentage of child deaths worldwide in Paragraph 1?

　　A. To illustrate the result of the new research.

　　B. To support the author’s point by concrete statistics.

　　C. To show the severe case to call on people’s attention.

　　D. To make you understand the problem we’re facing now.

　　69. From Paragraph 3 we can conclude that ______.

　　A. Poverty will be a lasting problem for several generations.

　　B .Physical problem limits one’s development in future little.

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