填空题

Next Monday is World Health Day, (47) by the World Health Organization. The objective chosen for this year is to get people (48) in the campaign to protect against the health (49) of climate change.
The World Health Organization is a United Nations agency. The WHO says there is already evidence of health problems (50) to climate change. It says more people are dying (51) extreme heat, and that diseases spread by insects are also on the rise. And it says climate change has (52) the risk of disasters, especially severe dry weather, wildfires, major storms and floods.
Disasters like these can kill directly or indirectly. People can die or get sick from food (53) or conditions like the spread of disease. Several years ago, the WHO blamed climate change (54) two percent of diarrhea (腹泻) cases worldwide in the year two thousand.
Last month, researchers in Canada (55) that temperature increases there will spread insects like ticks and mosquitoes farther north. These insects can (56) disease.
A. decreased
B. predicted
C. involved
D. from
E. observed
F. increased
G. expected
H) related
I) effects
J) reaction
K) shortages
L) natural
M) for
N) carry
O) disaster