Most efforts to combat such mosquito-borne diseases like malaria and dengue have focused either on the vaccination of humans or on exterminating mosquitoes with pesticides.

【OG18-P706-795题】

Most efforts to combat such mosquito-borne diseases like malaria and dengue have focused either on the vaccination of humans or on exterminating mosquitoes with pesticides.

A like malaria and dengue have focused either on the vaccination of humans or on exterminating

B like malaria and dengue have focused either on vaccinating of humans or on the extermination of

C as malaria and dengue have focused on either vaccinating humans or on exterminating

D as malaria and dengue have focused on either vaccinating of humans or on extermination of

E as malaria and dengue have focused on either vaccinating humans or exterminating

考察as和like、either or 的固定搭配和平行结构。
A.like不能表示举例，排除。
B.Like不能表示举例，排除。
C.On exterminating要去掉on，either or结构里不平行，排除。
D.vaccinating和 extermination不平行，排除。
E.As正确，either or正确，vaccinating和exterminating平行，正确。

考点：平行结构，固定搭配
A such...as ,不是like，错误
B such...as ,不是like，错误
C exterminating之前的on用法错误，either...or结构
D vaccinating和 extermination不平行
E 正确