语法与词汇
23.While the 1940s are most noted for the development of black modern dance, they are also______ because they were the last gasp for tap dancing.
【正确答案】
C
【答案解析】本题考查形容词辨析。根据while…noted…also判断，所填形容词与noted(著名的，知名的)近义。significant(显著的；重要的)符合语义，故答案为[C]项。irrelevant意为“不相关的，不切题的”；unfounded意为“无事实根据的，没有理由的”；speculative意为“推测性的，猜测性的”。