A．American Asians receive similar health care with Indians.
B．American Indians receive worse health care than other races.
C．There's no obvious difference among different races in urban areas.
D．Only American Indians can receive free medical cares.
A．To invest more on American Indians' health care.
B．To provide free health care to American Indians.
C．To accept more Indian students majoring in medicine.
D．To carry out more studies on American Indians' health care.
A．Weather extremes are outcomes of global warming.
B．Weather extremes are not caused by global warming.
C．Weather extremes are not directly related to global warming.
D．Weather extremes will be worsened by global warming.