【C15】A．confusedB．complexC．sophisticatedD．detailed

【C15】A．causeB．courseC．cautionD．case

__________ 查看材料A.confusedB.troubledC.concernedD.acq

His plan is full of contradictions, so it is not a very ______ one.A．refinedB．complexC．ela

The word "Byzantine" （Line 3, Para. 2) most probably means______.A．absurdB．complexC．excess

Only when the process of meeting the basic need for food reached a certain level of sophis

63._________A. confusedB. complicatedC. disorgani