This textile is a silky _________ made from waste materials.
A. quality
B. fabricate
C. fiber
D. facility
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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
Girls may like science rather than arts and ____________, which should be encouraged.
A. humanities
B. humane
C. humans
D. hostile
Smiling has been proven to __________ the pain and stress.
A. intensify
B. tension
C. relieve
D. relive