单项选择题

What mainly causes the threat to the health of mothers and children in developing countries according to the text

A．Problems related to pregnancy and childbirth, and the virus of AIDS.
B．Deaths and disabilities of mothers and AIDS infected mothers.
C．Lack of safe birthing methods, good nutrition, vaccines against disease and good care at home.
D．Without effective medicines during childbirth.
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单项选择题
Why was the World Health Day recognized by WHO
A．To increase interest about the health of mothers and children in developing countries.
B．To draw people's attention to a health issue it considers of special concern each year.
C．To prevent deaths of mothers from happening among poor families in developing countries.
D．To warn people the disease AIDS is threatening human beings.
单项选择题
The second highest death rates of mothers in the world are in ______.
A．southern African countries
B．Afghanistan
C．Sierra Leone
D．central Asia
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