A．It urged people to improve the raising conditions.
B．It helped people find the cure for bird flu.
C．It made people to rethink the relations between animal and human.
D．It urged people to reduce the livestock production.

A．connects
B．equivalent
C．experiences
D．experiments
E．figure
F．gradually
G．heartfelt
H．immediately
I．leave
J．powerful
K．proving
L．reluctant
M．strength
N．suppose
O．tools