A.dilemmaB.tragedyC.povertyD.obesity
单项选择题No computer can（）the complex functions of the human brain.
A.imitateB.immigrateC.intimidateD.Intimate
单项选择题Senior citizens want a more comfortable and （）future.
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
