单项选择题
A．They have captured all the condors. B．Birds raised in captivity are attracted to humans. C．Hunters want to shoot them. D．There is not enough food for condors.
A．It is a children’s hospital. B．It has strict rules about visiting hours. C．The nurses and doctors there don’t work hard. D．A lot of patients come to this hospital every day
A．A blended family is formed by two single-parent families. B．A blended family is formed by a nuclear family and a grandparent. C．A blended family is formed by a nuclear family and grandparents. D．A blended family is formed by two fatherless families.