Epiphytes, or air plants, may develop roots for attachment to host plants or objects (i) 1 for the movement of nutrients. Instead of using roots, they (ii) 2 their nutrition from the air or from rain, often collecting moisture in (iii) 3 structures.

Blank (i)

A. on behalf of

B. as well as

C. rather than

Blank (ii)

D. eliminate

E. obtain

F. restore

Blank (iii)

G. formalized

H. authorized

I. specialized

【正确答案】

【答案解析】C E IYou cannot complete the first blank correctly without reading the entire passage. By reading sentence two, you can see that the roots of air plants are not for moving nutrients. That allows you to choose rather than (choice C) instead of as well as (choice B). The other two blanks should be fairly easy to fill in after that.