题目内容

The world community had been slow to _________ to the crisis.

A. respond
B. response
C. reflect
D. represent

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_________ life was discovered at depth in the sea previously thought to have nothing.

A. margin
B. mutual
C. marine
D. manual

This textile is a silky _________ made from waste materials.

A. quality
B. fabricate
C. fiber
D. facility

Do you have a ________ of some kind of DNA that you want to clone.

A. fragile
B. fragrant
C. feather
D. fragment

This city ________ 32 among the 44 places in terms of economic development.

A. ranks
B. ruins
C. revenges
D. reunites

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