【C9】A．alikeB．likelyC．similarD．impossible

【C15】A．easilyB．likelyC．usefullyD．probably

A．specialB．dependentC．similarD．dissimilar

【B17】______A．resemblingB．identicalC．similarD．alike

【C8】A．possibleB．likelyC．impossibleD．unlikely

【C6】A．a fewB．multipleC．similarD．additional

【C9】A．friendlyB．likelyC．preferableD．beneficial