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 powerful enough to kill mosquitoes.

D． No new poisons have been developed to kill mosquitoes so far.

[单选题]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]What does the Food and Agriculture Organization say about world food produc

[单选题]WTO ( World Trade Organization)（）A . 世界贸易机构B . 世界贸易组织C . 世界期货交易机构D . 世界商业组织

[主观题]Why did you pick this organization?

[单选题]How does the author view the argument of the Food and Agriculture Organizat

[单选题]--Why does the Lake smell terrible?--Because large quantities of water .A． have polluted B. is being polluted C. has been polluted D. have been polluted

[单选题]Why does the author write the text?A． To stress the importance of oxen in farming.B． To introduce the Chinese folk culture.C． To describe how to celebrate the Year of Ox.D． To explain how to develop agriculture with oxen.

[单选题]Why does the writer of the letter that Electro-Robo is violent?A． It is control to radio water.B． It is expensive to buy.C． It is 80 centimeterD． It bears arms.

[单选题]Why does author say that they were lucky in the third paragraph?A． Because her situation was not serious.B． Because many other places were flooded.C． Because she had been to Northern India.D． Because some others suffered even more.

[单选题]Why does the woman invite the man to tea？A．She needs some friends to talk with.B．She will give the man some useful information.C．She needs some help from the man.