A.secureB.violentC.magnificentD.possessive
单项选择题I looked forward to the （）of their theories.
A.exploitationB.extinguisherC.explorationD.expense
单项选择题Our challenge is to（）those voters and inspire them to join our cause.
A.demonstrateB.imitateC.motivateD.illustrate
单项选择题Forests provides （）materials for human activities.
A.crudeB.coarseC.roughD.raw
单项选择题Retailers will need to rethink their strategies as（）shoppers demand price-competitive goods.
A.thriftyB.moistC.barrenD.digestive
单项选择题The National Institute of Health is discussing ways of tackling the problem of childhood（）.
A.cafeteriaB.membershipC.flavorD.obesity
