1. John removed his overcoat.
　　A.took awa
　　B.left aside
　　C.took off
　　D.washed off
　　2. He was one of the principal organizers of the association.
　　A.planners
　　B.employees
　　C.actors
　　D.recipients
　　3. It is postulated that population trends have an effect on economic fluctuations.
　　A.challenged
　　B.assumed
　　C.deducted
　　D.decreed
　　4. This kind of animals are on the verge of extinction,because so many are being killed for theirfur.
　　A.drying up
　　B.dying out
　　C.being exported D.being transplanted
　　5. The train came to an abrupt stop,making us wonder where we were.
　　A.slow
　　B.noisy
　　C.sudden
　　D.jumpy
　　6. During the Second World War,all important resources in the U. S. were allocated by thefederal government.
　　A.nationalized
　　B.commandeered
　　C.taxed
　　D.distributed
　　7. The little boy was so fascinated by the mighty river that he would spend hours sitting on itsbank and gazing at the passing boats and rafts.
　　A.very strong
　　B.very long
　　C.very great
　　D.very fast
 

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