(B)
Scientists around the world have been studying the warm
1.______ of waters in the Pacific Ocean being known as
EL Nino. The 2.______ appearance of EL Nino
is knowing to affect weather around
3.______ world. Now scientists still do not completely understand
4.______ them. Yet they find they can use
it to tell the future in
5.______ different area in the world. The scientists write about
6.______ their recent work in the magazine
Nature. Their computer
7.______ program can hardly tell when an EL Nino will appear. They
8.______ suggest that this could provide
for an effective early warning 9.______ system and could
prevent much of the disasters from happening.
10.______