WhichofthefollowinggodsorgoddessesdidtheancientGreekscelebratetohonorwhentheyputonadrama?
A. Dionysus,theGodofwine.
B. Apollo,theGodofsun.
C. Aphrodite,theGoddessoflove.
D. Athena,theGoddessofwisdom.
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WhichofthefollowingwordsisusuallyNOTconsideredatragicflawinatypicaltragicheroinanancientGreekdrama?
A. Greed.
B. Arrogance.
C. Impetuousness.
D. Aphysicalhandicap.
制备光纤的工艺过程中,最重要的两道工序是 。
A. 涂敷
B. 制作光纤预制棒
C. 塑形
D. 拉丝成纤
波分系统结构包括:________, _________, _________ 和 __________
单纤双向传输系统是否可以使用同一波长来发送和接收信号?回答是或否______