The World Health Organization gave a warning to the public without any When the virus of H1N1 hit Mexico in April,2009.

A． delay B. effort C. schedule D. consideration

[单选题]Why does the World Health Organization give help to national governments to wipe out malaria?A． The author does not give any reason in the whole passage.B． Local governments are not skillful enough to kill mosquitoes.C． Current sprays are not powerfu

[单选题]Since World War II, considerable advances have been made in the area of hea

[单选题]Since World War II, considerable advances have been made in the area of hea

[单选题]Since World War II, considerable advances have been made in the area of hea

[单选题]Since World War II, considerable advances have been made in the area of hea

[单选题]Since World War II, considerable advances have been made in the area of hea

[单选题]Since World War II, considerable advances have been made in the area of hea

[单选题]Since World War II, considerable advances have been made in the area of hea

[单选题]Since World War II, considerable advances have been made in the area of hea

[单选题]Since World War II, considerable advances have been made in the area of hea