For decades,the firstchoice treatment for malaria parasites in Africa has been chloroquine,a chemical which is very cheap and easy to make.Unfortunately,in most parts of the world,malaria parasites have become resistant to it.Successful alternatives that help prevent resistance are already available,but they have been in short supply and are very expensive.If these drugs should fail,nobody knows what would come next.

　　Ⅰ.根据短文，写一篇30词左右的摘要。

　　______________________________________________________________________________________________________________________________________________________________________________

　　Ⅱ.根据所读短文，选出最佳答案。

　　1.According to paragraph 1,many people don,t seek care because ___________.

　　A.they are too poor

　　B.it is unusual to seek care

　　C.they can remain unaffected for long

　　D.there are too many people suffering from the disease

　　2.People suffering from malaria___________.

　　A.have to kill female mosquitoes

　　B.have ability to defend parasites

　　C.have their red blood cells infected

　　D.have sudden fever,followed by chills

　　3.Which of the following may be the reason for the wide spread of the disease?

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